What Are File Converters?
File converters are tools that transform a file from one format into another - like turning a PNG into a WebP, or pulling the audio out of an MP4 and saving it as an MP3. All conversions here run 100% in your browser using the Canvas and WebAssembly APIs - no data uploaded, completely free, unlimited, and no signup required.
Whether you're optimizing images for a faster website or pulling a podcast's audio out of a video file, good file converters save you from installing bulky desktop software or trusting a random upload site with your files.
Why Use These Online File Converters?
- Instant results with no installation needed
- Full privacy - your files never leave your device
- Free and unlimited use with no signup
- Works on any modern browser, desktop or mobile
- No file size limits imposed by a server
Tools Available in This Category
Image to WebP Converter
Convert PNG, JPG, GIF, BMP, and other image formats to WebP with an adjustable quality slider - smaller files with minimal visible quality loss, ideal for web use.
MP4 to MP3 Converter
Extract the audio track from MP4, MOV, MKV, AVI, or WebM video files and save it as a standalone MP3 at your choice of bitrate.
Frequently Asked Questions
Are these file converters private?
Yes. All conversions run 100% in your browser. No files are uploaded to a server or stored anywhere.
Do I need to install anything?
No installation or signup is required. They work instantly in any modern browser.
Is there a file size limit?
There's no artificial limit imposed by us - the practical limit is your device's own memory and processing power, since everything runs locally.
Start Converting Files Now
Scroll back up to the tool grid and pick the converter you need. Everything runs privately and instantly in your browser.