Image converter: JPG, PNG, WebP, AVIF
Image converter: pick a target format, drop in your images, download. Whether it’s WebP to JPG for an app that can’t open WebP or PNG to JPG for smaller files – the conversion runs entirely in your browser.
Source: ITU-T T.81 / ISO/IEC 10918-1 – JPEG. Updated: .
How it is calculated
Every image format has its strengths, and not every app, office or upload form accepts every format – that’s when converting helps. This tool reads JPG, PNG, WebP, GIF, BMP, AVIF and HEIC and saves as JPG, PNG, WebP or AVIF.
How to convert an image
- Choose the target format: JPG, PNG, WebP or AVIF (if your browser can create AVIF).
- Drop in one or more images.
- Download the converted files one by one or all at once.
Example: a WebP saved from the browser won’t open in an older image editor – pick JPG, drop the file in and download the JPG. The other way round, WebP instead of PNG usually saves a lot of space for photos on websites.
Which format for what?
| Format | Strengths | Weaknesses |
|---|---|---|
| JPG | photos, opens everywhere, small files | no transparency, lossy |
| PNG | lossless, transparency, graphics, screenshots, text | photos become very large |
| WebP | smaller than JPG and PNG, transparency | older software can’t open it |
| AVIF | excellent compression, modern browsers | limited software support, slow to encode |
According to Google, lossless WebP images are 26% smaller than PNGs and lossy WebP images are 25–34% smaller than comparable JPGs.
Common conversions
- WebP to JPG: images saved from the browser often end up as WebP; Word, older image viewers and many upload forms expect JPG or PNG.
- PNG to JPG: for photos this usually saves a lot of space. Transparent areas are filled with the background color you choose (default: white).
- JPG to PNG: useful if you keep editing the image and don’t want to lose quality on every save. The file gets larger, and a JPG does not gain a transparent background – the subject has to be cut out first.
- HEIC to JPG: iPhone photos for Windows PCs and web forms.
AVIF and browser limits
Saving is done by your browser’s canvas API. Every browser can create JPG and PNG, but not every browser can write WebP and AVIF. If you pick a format your browser can’t write, the tool tells you right away – use a different browser or another target format.
What is kept, what is lost?
Pixel dimensions and orientation are kept. Metadata such as EXIF, GPS location and embedded color profiles is not carried over. Animated GIFs and WebPs are saved as a single frame (the first).
Privacy
The conversion happens entirely on your device. No images are uploaded.
More image tools: convert iPhone photos with HEIC to JPG, vector graphics with SVG to PNG, cut file size with the image compressor and change dimensions with resize image.
BMP, ICO and smaller images
BMP and ICO are written by the tool itself, so they work in every browser. BMP is saved uncompressed with 24-bit colour; transparent areas get the background colour. ICO contains a PNG and keeps transparency. An ICO file holds at most 256 × 256 pixels, so larger images are scaled down to fit.
With the setting for the longest side you can shrink images while converting, for example to 1920 pixels; images are never enlarged. GIF cannot be saved: browsers have no encoder for it, and animated GIFs or WebPs are taken over as their first frame.
Frequently asked questions
How do I convert WebP to JPG?
Choose “JPG” as the output format and drop in your WebP files. Download them individually or as a ZIP.
Do I lose quality when converting?
Not to PNG – PNG is lossless. For JPG, WebP and AVIF it depends on the quality setting; from about 85% the difference is invisible.
Does converting a JPG to PNG make it transparent?
No. Converting only changes the file format. A white background stays white; for transparency, the subject has to be cut out first.
Can I convert several images at once?
Yes, up to 20 images at once, even in mixed formats. All are converted to the chosen target format.
Why can’t I create AVIF?
Not every browser can save AVIF – although all current browsers can display it. The tool checks this and shows a notice. Try another browser or choose WebP.
Are my images uploaded?
No. All images are converted in your browser and never leave your device.
Can I convert an image to ICO or BMP?
Yes. Choose ICO or BMP as the output format. ICO keeps transparency and is scaled down to at most 256 × 256 pixels; BMP is saved uncompressed with a background colour.
Sources and legal basis
- ITU-T T.81 / ISO/IEC 10918-1 – JPEG
- W3C – Portable Network Graphics (PNG) Specification
- Google for Developers – An image format for the Web (WebP)
- AOMedia – AV1 Image File Format (AVIF)
- MDN – Image file type and format guide
- MDN – HTMLCanvasElement.toBlob()
- Open-source licenses of the libraries used (MIT, LGPL-3.0)
As of: · Editorial policy
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