Author Archives: Nagore Valera

Nagore Valera
Modified at
Reading time 4 min.

All of us who are or wish to be part of the working world are aware of the importance of preparing a good CV, since it is essential to get a job.

However, making a CV does not mean listing your previous jobs in a document and sending it to the company of your choice. It is a job that requires patience, accuracy and the knowledge of certain tricks and secrets about the world of recruitment.

A good design and great content are the magic recipe that interviewers will not fail to appreciate when analyzing your CV.

Therefore, in this guide we will give you the most useful tips to make a good resume and impress the recruiter.
What information to include in the personal data, what type of format is ideal for you, among other professional tips.
In this article we teach you everything you need to know to make your CV.

Read carefully and don’t get demotivated!

Updated Contact information.

We know it may seem obvious, but it has been proven that many candidates do not review their personal information before sending their CV.

If you have changed your e-mail or even updated your cell phone, always remember to modify them in your CV, otherwise you could lose the opportunity of a great job.

Remember: Email, as we have already mentioned, is one of the essential elements you should put in your contact information, however, we advise you to use an email that looks professional.

If you are still using the email address you created in high school, run right now and create a new account!

We assure you that emails like: the_ do not look good in the eyes of any recruiter, because they make you look juvenile and not very responsible.

On the contrary, using a more professional address, with a more current email provider, such as Outlook or Gmail, will get your resume off on the right foot.

EXTRA TIP: at Offiwiz we recommend that in your contact information, you put your mobile number and not your home number, this way the company that wants to contact you, will be able to do it at any time and you will not miss their call.

DO NOT include unnecessary personal information.

As for the personal data to be included, your full name, cell phone number and e-mail address are sufficient.

In the past, it was obligatory to include your postal address, marital status, age, etc. Nowadays it is no longer necessary!

The majority of communication with recruiters and selectors is done digitally, therefore, unless you are told otherwise in the interview for some special requirement of your job, you should no longer put your home address, also, you should not include your date of birth, marital status or sexual orientation, as they can give rise to very undesirable discriminatory behavior.

EXTRA TIP: At Offiwiz we advise you to complement your personal information with your website or your Linkedin profile.

SOCIAL NETWORKS: If you have any other social network that you consider suitable to be reviewed by recruiters, do not hesitate to include it, but, be careful, as we have said, it must be suitable. If you use, for example, an Instagram account, make sure that its content is appropriate and complies with the values of the company to which you are applying for the job, otherwise, do not include this social network, it can make you look like an informal and problematic candidate.

Choose a suitable photograph.

This is a very important tip, as they say: A picture is worth a thousand words.

Think long and hard about your choice of photograph to be included in your CV.

Forget about photographs where you are accompanied, you are dressed incorrectly or there is evidence of alcohol or other inappropriate substances.

The ideal is to choose a recent image, where you appear alone and with an optimal quality. It is not necessary a full body photograph, your face and part of your shoulders will be more than enough.

Do not use selfies, pixelated or blurred images, and preferably avoid using photos in which you wear a lot of makeup.

Be careful! : All these tips on proper photography are generic and will be useful for your application for many jobs, however, ALWAYS keep in mind, the workplace to which you aspire and the company to which you want to send your application.

For example: we have advised you not to use photographs with large doses of make-up; but what if the position you are applying for is as a professional make-up artist? Well, in this case we would recommend you to attach a social network profile with samples of your work, even a professional portfolio where your great artistic skills can be seen.

Choose a legible and trendy font.

There are many types of fonts to choose from. However, the main key is to opt for a calligraphy that is clear and easy to read.

Fonts such as Helvetica, Georgia or Calibri are highly recommended for your CV.

We recommend experimenting with styles such as italics and bold, to highlight key words or parts of the CV.

Another aspect to take into account is the font size; the most recommended is between 10 and 12 points for general texts and between 13 and 15 points for titles.

EXTRA TIP: Stop using obsolete fonts such as “Times New Roman”, although it is legible, it is already antiquated and nowadays many improved options have been created, which, if used, will show your interest in keeping up to date.

In conclusion, as far as the font of your CV is concerned, it is important to make sure that the final result is harmonious.

Start Strong

Start with a summary of your skills and key accomplishments. This will attract the recruiter and grab their attention from the outset. This personal profile is an important part of your CV and tells the recruiter exactly who you are, so you want to make the right impression.

Be honest

Everyone lies on their CV, right? NO! Don’t! Lies are out of the question on your CV; they can cause a lot of problems when interviewers check your background and references.

The last thing you want is to start working and then lose your new job for lying.

You gain nothing by lying; you should be recruited for the new job based on your true value and personal skills, not on how effective you are at lying.
Sooner or later, you will suffer the consequences.

Understand the job description

The keys are in the job application, so read the details from start to finish.

Take notes on the job description, highlighting all those skills they ask for that you possess and those you do not. With the areas in which you lack experience or knowledge, fill in the blanks by adapting the skills you have.

There are many skills that are transferable from one workplace to another, don’t forget.

Demonstrate that you are connected

Whether in college or in previous jobs, you will have met a variety of people.

Building and maintaining your networks shows that you have strong communication skills and this is something employers value greatly.

Do not forget to try our apps for office tasks, which will help you scan your CV, and save it in the format you want.

Do not hesitate to visit our Offiwiz website and contact us with any questions or problems you may have, and of course, take a look at any of our articles or blog guides and tips.

Categories: Guides and tips Published at

Nagore Valera
Modified at
Reading time 4 min.

PDF stands for Portable Document Format and is a storage format for digital documents, its main advantage is to facilitate the exchange of digital documentation in a reliable manner, regardless of the software, hardware or operating system with which the original document was generated and/or the platform that receives it for reading.

Originally developed by Adobe® Systems as a globally compatible file format based on the PostScript format, it has become an international standard for document and information exchange. 
In 2008, Adobe handed over control of PDF development to the International Organization for Standardization (ISO), making PDF an “open standard”. The specification for the current version of PDF (2.0) is documented in ISO 32000-2.

If at any time you need to convert, scan and/or edit a PDF document, don’t forget that we can help you with :

What is the origin of PDF?

In 1991, Dr. John Warnock, co-founder of the American software company Adobe Systems, known worldwide for the image editing program Adobe Photoshop, launched “Project Camelot”.
Its goal was to allow any user to create documents from any application and send an electronic copy of the document anywhere to be viewed and printed anywhere in the world from any platform. 

In 1992, Project Camelot was renamed PDF as we know it today and in 2008, it was released as an open source standard.

Why is the PDF format so popular?

The popularity of PDF came mainly from the fact that it is the solution to the tons of paper accumulated in offices, schools, universities, among other places of study and work.

Being able to convert all those documents into a digital file that can be stored in a small USB memory stick or in a simple e-mail is one of the reasons that have made it so popular.
Although in its origins it only allowed the inclusion of texts and images, nowadays it also supports links, annotations, among many other functionalities.

Any operating system can open a document in PDF format, whether on a desktop computer, a laptop, a cell phone or a tablet. It doesn’t matter which operating system you use, Windows, Mac, Linux, Android or iOS; the document will remain unchanged.

Another great reason that makes this format so popular is the fact that when you generate any PDF file from other documents and/or images, it will remain unchanged, Adobe PDF files retain all the data from the original file, even if the text, graphics, images, etc. come from different sources.

This means that everything will look exactly the same, because the PDF file does not lose its formatting, unlike others, which modify the original structure of the document, showing a very different appearance, messing up the pages and even displaying incomprehensible characters.

In conclusion; PDF format is multiplatform, compatible with the main operating systems and unlike the others, it does not alter its original structure.

PDF features :

Statistically, it has been proven that the PDF file format has become the standard for the distribution of documentation, both on the Web and on corporate intranets.

This format is widely used throughout the Internet because it is so versatile and easy to use.
We have already specified the main reasons for its popularity, however, the PDF format has other and varied features, and knowing them can be useful to you, and therefore, we want to share them with you.

  • A PDF document has the same appearance, color, typeface, graphics and formatting as a printed document.
  • PDF documents can be viewed with the same browser or can be saved in the pc for later use or printing.
  • Acrobat Reader is available free of charge for most operating systems.
  • Acrobat Reader cannot be used to edit a PDF document, but it does allow you to copy text from the document to another file, and also to search for a word or text.
  • They can be distributed all over the Web, or via e-mails.
  • This type of file is often used when sharing graphic or text information, such as reports, contracts, manuals, university papers, theses and even eBooks.

To learn and extend your knowledge about PDFs, you can always take a look at our article about some peculiar PDF features that you probably don’t know: PDF file – Features which you didn’t know them

What problems can Adobe PDF help us solve?

Adobe PDF can help us solve the following problems associated with electronic documents:

We cannot open files because we do not have the necessary applications to create them.Any of us anywhere can open a PDF.
All we need is the free Adobe Reader software.
We have difficulty searching for specific information among so many electronic files and paperwork.PDF files are compact. They are searchable and can be accessed at any time with Reader. Links make it easy to navigate through PDF files.
We are unable to view documents correctly on mobile or tablet devices.Tagged PDF files allow text to reflow for display on mobile platforms such as Palm OS®, Symbian™ and Pocket PC® devices.
If we are visually impaired, we cannot access fully formatted documents.Tagged PDF files contain content and structure information, making them easy to access in screen readers.
When we move a document from one platform to another, its structure changes.Adobe PDF is cross-platform, we will be able to view any file on any platform without changing its structure and/or original content.

Where can I convert, scan or edit my PDF files?

How many times have we had problems for not being able to edit a PDF?
In the company or university, how many times have we received documentation in another format and wanted to change it to PDF because it looks better?
Wouldn’t you like to be able to scan receipts, notes, invoices, business cards, certificates, etc. with your cell phone camera and be able to convert them directly to PDF to print them, send them via WhatsApp or simply view them?

If your answer to any of these questions is: of course! ¡then you are in luck!

At offiwiz we give you the solution to each of these problems with PDF files:

  • PDF Editor : Edit, sign, read, create, draw, protect and modify any PDF file
  • PDF Scanner: Scan receipts, notes, invoices, certificates, etc. with your mobile camera and convert them to PDF.
  • PDF Converter: convert, save, share, and view any text file

Do not hesitate to visit our Offiwiz website and contact us with any questions or problems you may have, and of course, take a look at any of our articles or blog guides and tips.

Categories: Interesting articles Published at

Nagore Valera
Modified at
Reading time 4 min.

The practice of teleworking.

During the confinement imposed by the Government in March 2020, millions of people joined the practice of “home office”, a reality to which most of them were not used to. And if there is one thing that is clear, it is that teleworking is not an easy thing to adapt to, since changing a routine can be very complicated and not everyone is willing to do it.

The pandemic caused by COVID-19 has made many companies realize the importance of remote work, and that “teleworking is here to stay “, and has now become one of the most widely used work methods.

Working from home offers numerous advantages for both the employer and the employee. Some of the most notable are the time savings in commuting, savings in office space and its consequent monetary savings, in rent/purchase by the company, and greater family reconciliation for the worker.

However, certain aspects of teleworking must be taken into account in order to remain productive and have a healthy work environment.
If you are teleworking and you still find it hard to adapt, don’t worry because, below, we are going to offer you some key tips so that you can adapt to this type of work in the best possible way.

Take note of all of them and install them in your day to day!

Work from home

1.Create a routine and be constant.

Get up on time (don’t rush and wake up 5 minutes before the start of your day), take a vigorous shower with cold water (your skin will thank you), change your clothes and have a balanced breakfast.

Of course, you can wear comfortable clothes to work, but…. take off your pajamas!

All this will help you to create the right routine, to start the day well, with energy and with the feeling of starting your day being productive.

2.Create and use a specially designated space to work.

We cannot emphasize enough the importance of having your own space for teleworking.

We should try to have a desk of our own, in a quiet area of the house, without distractions. It is vitally important to provide ourselves with this haven of peace so that we can concentrate and separate our work life from our personal life.

As much as the idea of working from the sofa or the bed may seem tempting at first, both options are designed and elaborated to relax, they are not designed to work for hours; and they do not have that versatility and multifunctionality.

It is easy to fall into a bad posture that in the medium term will bring negative physical consequences. It can be a punctual solution, but never habitual. We must be aware of the ergonomics of the furniture we use to work. Sometimes we sit for “a moment” and end up sitting for hours with our backs twisted and our necks bent forward.

Doing this for months is medically studied to cause damage to the spine, because it remains bent. At first it may seem comfortable, but over time the body’s health deteriorates.

3.Organization and schedules.

Teleworking can be a bit chaotic if you are not well organized.

Therefore, it is very important to create and learn to follow and respect a routine and work schedule. We want to make special emphasis on not procrastinating and leaving things “for later”.

Being at home can give us the false sensation that nothing will happen if we do things “later”, but…. don’t fall into the trap!

Postponing tasks and leaving them for when you are out of your schedule will generate frustration, take time and statistically it is proven to lower your performance as well as your productivity.

Don’t forget to notify your work schedules to the people you live with, making sure they don’t interrupt you. Set clear guidelines about the hours you work and stick to your schedule.

Make the most of and concentrate on your workday and your free time, enjoy, rest and do the pleasurable activities you enjoy the most.

4. Task management

Self-motivation is essential and if you don’t have it, it can be a big problem while working remotely. Working in the same physical space as other colleagues usually motivates us and keeps us “awake”, but being alone at home, we do not have that extrinsic factor.

Therefore, it is highly recommended to set small/medium daily tasks and accomplish them. Start each day by prioritizing the most important task on your “to do” list, and go, one by one crossing them off the list. It is a great feeling to be able to cross it off as “done” and in turn, it will put you in a better mood for the rest of the day.

5. Take breaks to clear your head.

Remember that productivity does not mean working non-stop all the time. A short break of 5 minutes every hour will help you to clear your mind and perform better the rest of the time.

Sitting at home all day can be exhausting and frustrating; we do not find a real physical disconnect between work and private life. Often when teleworking we take no more than 10-20 steps a day, basically the ones that separate the bathroom from the desk. Avoid this at all costs!

Force yourself to take a lunch break every day, just as you would at the office. Take advantage of this time to break the routine, go out to eat or simply go shopping.

6.Communicate with your coworkers.

Teleworking does not necessarily imply loneliness, we recommend you to maintain constant communication with your colleagues through messages or calls, the key to good teamwork is undoubtedly communication.

Communicate colleagues

7.Have useful office tools.

It seems that being out of the office we can suffer the lack of tools to carry out our work correctly, but this is not the case. There are many tools that will help you on a daily basis. To highlight some of them there are document scanners and PDF Document Editors

If at any time you need to convert, scan and/or edit a PDF document, don’t forget that we can help you with :

  • PDF Editor : Edit, sign, read, create, draw, protect and modify any PDF file
  • PDF ScannerScan receipts, notes, invoices, certificates, etc. with your mobile camera and convert them to PDF.
  • PDF Converter: convert, save, share, and view any text file

8.Take care of your diet.

Working from home offers the possibility of snacking between meals; a healthy snack from time to time is not a bad thing; as long as it is healthy!

Avoid at all costs sugars such as chocolates and jelly beans, and any ultra-processed, prioritize pieces of fruit or a handful of nuts.

Taking care of our diet is essential for good health and well-being, and not only when it comes to work. Healthy eating helps us maintain a healthy weight and reduce the risk of type 2 diabetes, high blood pressure, high cholesterol and the risk of developing cardiovascular disease.

9.Mental separation between work and personal life.

Working from home often means, to a large extent, the impossibility of easily disconnecting from work. It is enough to look at your desk while having dinner to remember all the work that needs to be done.

To ensure your mental rest, we strongly recommend that you write down in a list all the tasks you have done, and which ones you have to do the next day. That way, you can go to bed more relaxed, knowing that you have everything under control, ordered and ready for the next day.

Do not hesitate to visit our Offiwiz website and contact us with any questions or problems you may have, and of course, take a look at any of our articles or blog guides and tips.

Categories: Guides and tips Published at

Nagore Valera
Modified at
Reading time 6 min.

What can I find in this article?

Welcome office automation partner! If you have decided to read this article is because you want to know:

  • 1. The differences between JPG and PNG formats.
  • 2. When it is preferable to use each format.
  • 3. Which is the best to use on your website.
  • 4. Bandings and bits in JPG and PNG formats.

To be clear about ALL the concepts, you only have to read this article to the end.

These formats are, according to the dictionary, image compression formats, so let’s see what characterizes them and when it is best to use each one on your website.

And since knowledge doesn’t take up space and must be shared, Offiwiz tells you everything we know about the subject.



formato jpg

1. Differences between JPG and PNG

1.1 What is a JPG?

JPG is a LOSSY image compression format, meaning that it loses quality every time you reduce its size.

It is quite possible that you have hundreds of JPG files on your computer and you haven’t thought about “how much they weigh”, so if so, take a look at them!

In JPG files, using an image editing program, you can choose how much you want to reduce the image so that it weighs less: if you reduce it too much, the file will weigh less, but its quality will be reduced.

You should know that the loss of quality is accumulative: if you compress the image and then decompress it, it will have already lost quality, and if you repeat the process, the image will progressively lose quality.

How is compression performed in JPG?

The compression is not performed randomly, this reduction calculates the pixel value. This format is specially designed for the compression of digital and photographic images (it is the standard format for digital cameras).

It is one of the most widely used formats for web pages because it is lightweight and compatible with most programs and platforms.

JPG supports CMYK and RGB colors, as well as grayscales, and is capable of storing information on more than 16 million different colors.

Its acronym stands for Joint Photographic (Experts) Group.

It is important to know that if you find yourself with a JPG or a JPEG you will be dealing with the same compression format.
The difference is that: JPG files correspond to PC or Windows files, whose file extensions only allow three characters, while JPEG files are used in MAC.

This file type is NOT recommended if the image is a logo or an image with text, as the loss of quality will be very considerable. JPG does not support transparency, which means that if the image has no background, a white background will automatically be added.

1.2. What is a PNG?

Unlike JPG, PNG is a lossless compression format.

Its acronym stands for Portable Network Graphics and it was originally created to overcome the defects and deficiencies of the GIF format.

One of the most oremarkable features of this format is that, unlike JPG, PNG DOES support transparency.

PNGs are the best format for images without background, images containing text and logos.

We also include in this category line drawings, which will have much better quality in PNG than in JPG.

Therefore, it is worth saying that PNG is the most commonly used format for the web and online when you want to maintain a very high quality.

We also note that it is usually used for images that are not too large.

There are two types of PNG files:

  • PNG 8: has color limitation, but the file weight is very small (similar to GIF).
  • PNG 24: no color limitation, but the size on disk will be bigger.

Difference between PNG-8 and PNG-24 formats

The difference between PNG-8 and PNG-24 lies in the colour depth for each channel (if we work in RGB mode the image will have 3 channels: Red – Green – Blue).

With the PNG-8 format we limit the number of colours to 256. For the image we are using as a sample it is more than enough, however on other occasions it will be better to use the PNG-24 format as we have up to 16.7 million colours available.

On the other hand, for photographs where it is impossible to count the number of spot colours, as it would be a huge amount, the best option is to choose the JPG format, the PNG format would be very heavy.

Let’s look at an example:

Imagen mapa de bits PNG24 JPG

In this case the PNG-8 option would be unfeasible, as reducing the colour limit to 256 colours would significantly affect the quality of the image.

Although this format (PNG) can be used for photographs, the size will be much larger than in JPG and the file will be very heavy.

2. When to use JPG and when to use PNG.

JPG format:

  • JPG features compression WITH loss of quality.
  • It is ideal for large images that, after reduction, still have acceptable quality.
  • It does NOT support transparencies.
  • Especially used for digital and photographic images.
  • Lightweight files.
  • Supports CMYK and RGB.

PNG format:

  • PNG features compression with NO loss of quality.
  • Ideal for images without background, images with text and logos or line drawings.
  • High quality but returns much heavier files than JPG.
  • DOES support transparencies.
  • It does not support CMYK, so it is not useful for digital printing.

3. JPG or PNG: Which is better for your website?

Choosing the most appropriate image format for your website requires a thorough understanding of your needs in this regard. Therefore, the extension you choose to optimize an image has all its justification in the use you will make of it.

Therefore, it is necessary that you define what type of image you are dealing with, and thus, be able to select the most convenient format for your website.

You must take into account that during the construction of a portal many images are used for different purposes: photos, icons, logos, etc., and in this sense, each one must have the most appropriate format for the correct functioning of your Web.

Below, we give you the best indications, so that you can choose when it is more convenient to use one format or another.

3.1 When to use JPG on your website?

If you are dealing with icons and graphics, you should use PNG. It is the best format for uploading photographic images to your website.

If you have images from your camera, they are usually very heavy.
You should not upload them directly to your website, you must first reduce their weight if you do not want the loading time of your web page to be excessive.

We recommend that you compress these images to 300/400KB, for example, in this way, they will be ready to upload to the web. This weight is approximate, since a full-width slider image is not the same as a small section image that should not weigh more than 100KB.

The JPG algorithm forces it to give us a representation of the information discarding that which it considers unimportant, which causes the files to have a much lower weight.

Therefore, it is clear that: For photographs, JPG is the most convenient.

The JPG format is ideal for your photo gallery and all the images that will integrate the body of your website.

3.2 When to use PNG on your web?

If they are icons and graphics, you must use PNG.

Among the main advantages of the PNG format we highlight the alpha channel, which adds its algorithm to offer transparency and thanks to this transparency, the PNG format becomes the ideal format when we want to upload to the web: icons, graphics or images with transparent background.

Remember that this type of file can be resized to take up less space and the quality of the image will remain intact.
So, if you have images of buttons, logos, headers, graphics, illustrations or drawings, the ideal format for a website is : PNG.

Use PNG files to upload, for example, your logo. This format will perfectly reflect the colors of your logo and, in addition, with a transparent background so you can place it wherever you want.

4. Banding and bits in jpg and png formats

The word banding may not ring a bell, but if we tell you “those ugly stripes that sometimes appear in gradients” you will surely know what we are talking about. These lines appear when the transition between two or more shades is very smooth and gradual, and our computer is not able to find all the colors needed to represent it.

Banding (also known as color banding) are those hard and marked lines that sometimes appear in the gradients of our photographs, spoiling them completely.

If you work with photo editing or illustration tools such as Photoshop or Illustrator you will have encountered this problem and if you didn’t know why, the answer is in the bits.

Surely more than once, you have opened a photograph on your computer that looked great, and when you started to retouch it with some editing program, out of nowhere, those horrible banding lines appeared.
Or even when retouching it everything went correctly, but when saving it or uploading it to your social networks, suddenly those annoying lines appeared.

If you need to convert a file in jpg format to png format it is as simple as using a file converter like PDF Converter, always taking into account the technical aspects that we have discussed above and its final use.

As mentioned before, the PNG format can contain 8 or 24 bits of depth that sets the number of colors plus an extra channel (alpha channel) of transparency.

If we work with an image of 8bits depth, we do not have a sufficiently high range of colors to obtain a smooth gradient, hence we find the “banding” effect, however, from 16 bits this effect is significantly reduced.

In JPG format files we cannot work with more than 8bits depth, so we must choose PNG, which supports up to 32 bits.

There are also other formats such as EXR, which is more commonly used for photo editing.

Therefore, if we need to edit an image it is better to work with a format that allows us to store 16bits per channel, or more, to have a wider range of tonalities.

Did you read the whole thing? wonderful!

We hope that with all this information, it will be clearer to you when to choose one format or another, depending on the needs of your project.

Do not hesitate to visit our Offiwiz website and contact us with any questions or problems you may have, and of course, take a look at any of our articles or blog guides and tips.

Categories: Guides and tips Published at

Nagore Valera
Modified at
Reading time 3 min.
electronic books formats

Even those who prefer the paper book format usually have an eReader to carry their favorite books in digital format, it is much lighter.

That does not mean that when we are at home we prefer to feel the touch of the paper sheets in our hands and we keep the electronic book reader, however, we must recognize that the fact of being able to carry many and varied books in a light and small size device is a great utility and comfort.

For this reason, it is important to know the different formats of electronic books that exist in the current market and their characteristics, to know if our device is compatible.

If we find ourselves in the situation of having an eBook format incompatible with our device we always have the option of converting it to another format much easier and more manageable, with the PDF Converter tool.

Fortunately, today’s eReaders support different file formats.

For example, Amazon’s kindle; they are designed to support a particular file model, but for the most part, they also tend to support other more common formats.

For this reason, the eBook format will depend on the device we use for reading.

The main file formats

We know that there are eBook formats that are used more than others, and therefore, are more popular. It is important that we review in detail the specifications of our reader, to ensure its format compatibility.

As we have already mentioned, if it is not compatible, we always have the option of using PDF Converter to change the format before including the book in our reader.


If we search for e-books on the Internet for purchase or download, most of the time they are usually available in ePUB format.

This is an eBook file format that uses the file extension “.epub” (electronic publication).
Luckily for everyone it is compatible on the vast majority of e-book readers and there is compatible software for most smartphones, tablets and computers.

It is an update of the old format called Open eBook (.opf), it is an open source standard developed by the Digital Publishing Forum (IDPF) and is one of the formats with which most eReaders are usually compatible. This format is based on several languages such as XHTML, XML and CSS and also on the 3rd version of HTML5, MathML, Scalable Vector Graphics (SVG) and JavaScript.

This format is able to adapt to different screen sizes and also allows the integration of different multimedia elements such as images and audio or video files.

One of the copy protections used by ePUB is the Digital Rights Management DRM system, although certain eBooks can be protected by the Adobe ADEPT scheme.


PDF is one of the most popular eBook formats, since almost 100% of the documents we share on the Internet are in this format. PDF stands for “Portable Document Format”.

A PDF is a cross-platform file format that allows documents to be viewed electronically, regardless of the software or device used and without being modified.

A program is required to open this type of file, but most eReaders can read this format.
In any case, to bring any Word document to our devices and read it, we can always convert it to PDF and save it to our e-reader.


  • MOBI: Mobipocket is an eBook format compatible with Amazon Kindle devices, it can also be viewed using the eReader of the same name on older versions of Windows. It is based on the Open Book standard, but is a rather old format, which has been replaced by AZW on Amazon.
  • AZW: This is another eBook format for the Kindle environment, but in this case it is only compatible with Amazon devices. Therefore, eBooks in this format can only be viewed on Kindle devices. For Kindle Fire series readers, Amazon has created KF8, a format that works better and is backward compatible with previous Kindle products.
  • KF8: Kindle Format 8 (.azw3) offers more features than previous formats by supporting the latest standards, such as HTML5 and CSS3.It is an eBook format that easily adapts to any screen size and supports interactive and design elements such as images, audio, video or audio. This is the newest format in Amazon’s environment and will therefore replace AZW and MOBI.

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