Tools that run in your browser
Your files never leave your device. No upload, no waiting, no account.
Merge, split and rearrange PDFs entirely in your browser.
Image
Compress, convert and resize images without uploading them.
Convert
Move between file formats without a round trip.
- PNG to JPGTurn PNG images into much smaller JPGs, in batch, without uploading them.
- PNG to WebPMuch smaller files that keep transparency — the right format for the web.
- WebP to PNGTurn WebP images into PNGs that older software can actually open.
- JPG to PNGConvert JPG images to lossless PNG, in batch, entirely on your device.
- HEIC to JPGOpen iPhone photos anywhere.
- HEIC to PNGiPhone photos, losslessly.
- WebP to JPGTurn WebP images into JPGs that open anywhere, without uploading them.
- JPG to WebPRoughly a third smaller at the same visual quality — the right move for web images.
- AVIF to JPGOpen AVIF images anywhere by converting them to JPG, on your own device.
- AVIF to PNGLossless PNG output that keeps transparency, converted on your device.
- GIF to PNGTurn a GIF into a still PNG with better colour, on your own device.
Developer
Formatters, decoders and inspectors that run in your browser.
- File hashSHA-256, SHA-384, SHA-512 and SHA-1 checksums, computed in your browser.
- JSON formatterPretty-print, minify or sort JSON, with errors pointed to the exact line.
- JWT decoderRead the header, payload and expiry of a JSON Web Token, without sending it anywhere.
- Base64 encoderConvert text to Base64 or back, with correct UTF-8 and URL-safe support.
- Timestamp converterTurn epoch seconds or milliseconds into readable dates, and back again.
- UUID generatorCryptographically random UUIDv4, or time-sortable UUIDv7, in bulk.
- Diff checkerLine-by-line differences between two blocks of text, computed in your browser.