---
title: "About · Cutshed"
description: "What Cutshed is, why files stay on your device, and which open-source models do the work."
canonical: "https://cutshed.com/about/"
---

# About · Cutshed

What Cutshed is, why files stay on your device, and which open-source models do the work.

- Products
- Studio
- Video Game Clipper
- Stream Clipper
- Week of Shorts
- Editor
- Free tools
Audio
- Vocal remover
- Audio trimmer
- Ringtone maker
- Audio converter
- Volume booster
- Noise remover
- BPM and key
- Pitch and speed
- Clip sound effects
- AI audio maker
Video
- Video editor
- Video compressor
- Video trimmer
- Crop and resize
- Frames and thumbnails
- Mute video
- Video speed
- Merge clips
- Video to MP3
- Video to GIF
- Video splitter
- Week of Shorts
Image
- Background remover
- Image upscaler
- Image converter
- Thumbnail maker
- AI emoji maker
Subtitles & text
- Subtitle generator
- Subtitle translator
- Timing shifter
- Transcript to post
- Resources
- Menu
Resources
Audio
- Vocal remover
- Audio trimmer
- Ringtone maker
- Audio converter
- Volume booster
- Noise remover
- BPM and key
- Pitch and speed
- Clip sound effects
- AI audio maker
Video
- Video editor
- Video compressor
- Video trimmer
- Crop and resize
- Frames and thumbnails
- Mute video
- Video speed
- Merge clips
- Video to MP3
- Video to GIF
- Video splitter
- Week of Shorts
Image
- Background remover
- Image upscaler
- Image converter
- Thumbnail maker
- AI emoji maker
Subtitles & text
- Subtitle generator
- Subtitle translator
- Timing shifter
- Transcript to post
- Home
- / About
# About Cutshed
Cutshed is a set of tools for people who cut video and audio: trims, conversions, a vocal split, captions, stills, and a few small models. They exist because those jobs usually mean uploading a master to someone else’s server, waiting, and hoping the file is deleted. Here the tab does the work.
There is no account. The site is a pile of static files. Hosting stays cheap because nothing in the request path is a GPU. The first time you use a tool, the browser downloads the model or the ffmpeg build and keeps it in the Cache API or IndexedDB. Your media is not part of that cache.
## What runs locally
- Vocal removal uses Open-Unmix UMX-HQ vocals, MIT, from the SigSep / Inria weights (Zenodo 3370489), ONNX export by edgetools. UMX-L was skipped because it is non-commercial.
- Background removal uses U²-Netp, Apache-2.0. RMBG-1.4 is not included; those weights are non-commercial.
- Image upscaling uses Real-ESRGAN general x4v3, BSD-3-Clause, tiled on WASM.
- Speech noise reduction uses RNNoise, BSD-3-Clause, via the Apache-2.0 Jitsi wasm build. It is for voice, not music.
- Subtitles and the transcript use OpenAI Whisper tiny via Transformers.js, MIT, quantized. You pick the language.
- Subtitle translation uses Helsinki-NLP OPUS-MT, CC BY 4.0. NLLB is not included because the distilled weights are CC BY-NC. Portuguese pairs are omitted because a usable public OPUS-MT checkpoint is not available for this runtime.
- Tempo and key, subtitle timing, and the transcript-to-post layout are original code in the page. Essentia.js was not used; it is AGPL.
- Audio and video encoding uses a single-thread ffmpeg.wasm build. The JavaScript wrapper is MIT. The core binary is GPL because it includes GPL-enabled FFmpeg libraries. HEIC is not supported: this build has no libheif.
- ONNX Runtime Web runs the networks. Its browser build uses threads, so the host must send cross-origin isolation headers. The README has the exact pair.
## What this is not
It is not a stem shop with drums, bass, and “other” as separate files. It is not a caption burn-in, a face tracker, or a HEIC converter. It is not a place to process a song or a photo you do not have rights to. The model licenses cover the software, not the recording.
Questions go to hello@cutshed.com . Nothing you type on the contact page is stored here.
Files stay on this device.
Free tools never upload the file you open. Studio is the only paid part of the site, and the only place a prompt is sent to a video model.

## Links

- [C Cutshed](/)
- [Studio](/studio/)
- [Video Game Clipper](/video-game-clipper/)
- [Stream Clipper](/stream-clipper/)
- [Week of Shorts](/stream-to-shorts/)
- [Editor](/editor/)
- [Free tools](/#tool-grid)
- [Vocal remover](/vocal-remover/)
- [Audio trimmer](/audio-trimmer/)
- [Ringtone maker](/ringtone-maker/)
- [Audio converter](/audio-converter/)
- [Volume booster](/volume/)
- [Noise remover](/noise-remover/)
- [BPM and key](/bpm-key/)
- [Pitch and speed](/pitch-speed/)
- [Clip sound effects](/clip-sound-effects/)
- [AI audio maker](/ai-audio/)
- [Video compressor](/video-compressor/)
- [Video trimmer](/video-trimmer/)
- [Crop and resize](/video-crop/)
- [Frames and thumbnails](/video-frames/)
- [Mute video](/mute-video/)
- [Video speed](/video-speed/)
- [Merge clips](/merge-clips/)
- [Video to MP3](/video-to-mp3/)
- [Video to GIF](/video-to-gif/)
- [Video splitter](/video-splitter/)
- [Background remover](/background-remover/)
- [Image upscaler](/image-upscaler/)
- [Image converter](/image-converter/)
- [Thumbnail maker](/thumbnail-maker/)
- [AI emoji maker](/ai-emoji-maker/)
- [Subtitle generator](/subtitles/)
- [Subtitle translator](/subtitle-translator/)
- [Timing shifter](/subtitle-shifter/)
- [Transcript to post](/transcript/)
- [Blog](/blog/)
- [Compare](/compare/)
- [Developers](/developers/)
- [Seedance 2.5](/seedance-2-5/)
- [Privacy](/privacy/)