Knowledge base
Understand the formats, select the appropriate result, and solve common conversion problems.
Formats and their features
Which format should I choose for a photo or document
The choice depends on the task: send a photo, save a transparent logo, post a picture on the site or collect scans into a document. Start with the recipient's requirements.
Read the article →File extension and real format: what is the difference
File with the name photo.jpg It can contain PNG or HEIC. Let's figure out why changing the extension does not replace the conversion and how the site determines the uploaded images.
Read the article →HEIF and RAW: What's the difference
HEIF is suitable for finished photos, RAW saves data for later processing. Changing the extension does not turn one format into another.
Read the article →What is HEIF in the iPhone camera
HEIF is a photo storage format. On the iPhone, such images are often found as HEIC files; they can be converted to JPG to send.
Read the article →TIF and TIFF: what is the difference
Extensions .TIF and .TIFF belong to the same format. Renaming does not change the compression, color model, or number of pages.
Read the article →JPG and JPEG: what is the difference
JPG and JPEG are one image format. The difference in the name of the extension does not mean a difference in quality.
Read the article →Quality and transparency
Why does the file size change after conversion
The same resolution does not mean the same size in megabytes. The weight is affected by the format, the contents of the image, and the save options.
Read the article →PNG and transparent background
PNG can store transparency, but translating a photo to PNG by itself does not remove the background.
Read the article →What happens to the quality during conversion
The format, resolution and file size are related, but responsible for different properties of the image.
Read the article →Is it possible to save a transparent background in JPEG?
No. JPEG does not support alpha transparency. For a transparent background, choose PNG.
Read the article →Working with PDF
PDF, images and text: what is saved during conversion
PDF to JPG and photo to PDF solve different problems. One operation creates pictures of pages, the other puts photos in a document. None of them on our site recognize the text.
Read the article →How to assemble photos into one PDF
Step-by-step instructions for JPG, PNG, HEIC and other supported images: download, page order and download a shared document on your phone or computer.
Read the article →Instructions and Frequently Asked Questions
How to open HEIC on your computer
A photo from an iPhone does not open on Windows? The easiest option to send and view is to save it in JPG.
Read the article →How to translate HEIC to JPG on iPhone
Save photos in a compatible format directly on your phone, without installing the app.
Read the article →What to do if a photo or PDF is not converted
Check the file size, format support, and the message in the queue. Below is the procedure for errors when downloading, decoding, and downloading.
Read the article →Answers to frequently asked questions about conversion
What files can be uploaded, whether you need to register, where the photos are stored and why the result sometimes differs from the original — answers about the current version of the site.
Read the article →How to open WebP and save to JPG or PNG
WebP is an image format. If the application does not accept such a file, convert it to JPG for a photo or PNG for a transparent background.
Read the article →How to open AVIF and get a regular picture
AVIF is found among images from the Internet. Converting to JPG or PNG helps to transfer the image to an application that does not accept AVIF.
Read the article →