48 tools that run in your browser

Everything you would open an image editor for, minus the editor.

Cut a subject out of its background, crop and straighten, squeeze a photo under a size limit, paint out a watermark, resize a whole folder at once, or pull the palette out of a picture. The file is decoded onto a canvas in your tab and never sent anywhere.

• Remove background
• Crop & rotate
• Compress
• Watermark remover
• Bulk image resizer
• Favicon generator
• Colour palette extractor
• Metadata scrubber

• The background remover downloads its model from a CDN the first time you use it. Your image is not part of that request.

A real video toolchain, running as WebAssembly in the tab.

Get a big clip under a size limit, convert between MP4, WebM, MOV and MKV, trim it, mute it, change the speed, pull out stills, or burn subtitles in. It is FFmpeg compiled to WebAssembly, so the video is processed on your own machine rather than uploaded to someone else’s.

• Video compressor
• Video converter
• Video trimmer
• Video to GIF
• Change playback speed
• Extract frames
• Add subtitles

• The FFmpeg engine — about 30 MB — is downloaded from a CDN the first time you use a tool. Your video is not part of that request.
• This is the one site of the five that counts page views, through Vercel Analytics. It records the page, not you, and never sees a file.

Trim, convert and level a recording without uploading it.

Shrink an audio file to a size you pick, move between MP3, WAV, M4A, OGG and FLAC, cut a clip by dragging on its waveform, lift the soundtrack out of a video, or bring a quiet recording up to a broadcast loudness target.

• Audio compressor
• MP3 / WAV converter
• Audio trimmer
• Extract audio from video
• Volume booster & normalizer

• The FFmpeg engine — about 30 MB — is downloaded from a CDN the first time you use a tool. Your recording is not part of that request.

The developer utilities you keep pasting into a stranger’s website.

Format JSON, decode a JWT, read a cron expression in English, test a regex, hash a file, preview Markdown, build a gradient — plus the plain text utilities: counting, case conversion, deduping and sorting. Pasting a token or a customer record into any of these is safe, because none of it is transmitted.

• JSON formatter
• JWT decoder
• Cron explainer
• Regex tester
• Hash generator
• Markdown previewer
• CSS gradient generator
• Case converter