Trimmy
Vertical split-crop video editor. Take any video, pick two crop regions, stack them top-and-bottom into a 9:16 frame, and export optimized for social media.
The output stacks the two crops vertically into a single 9:16 video — ideal for reaction content, split-screen tutorials, gameplay + facecam, and Reels / TikToks / Shorts.
Install
pip install trimmy
Or run it without installing, using uv:
uvx trimmy
Requires ffmpeg and
ffprobeavailable on yourPATH, plus Python 3.10+.
Usage
Launch the app:
trimmy
Or open a file directly:
trimmy path/to/video.mp4
Then:
- Open or drag-drop a video.
- Position the two crop boxes on the source frame (TOP and BOTTOM).
- Adjust the split ratio by dragging the red divider.
- Trim the timeline to the segment you want.
- Pick a platform and quality preset.
- Render — ffmpeg encodes a ready-to-upload vertical video.
Keyboard shortcuts
| Key | Action |
|---|---|
| K | Play / Pause |
| J | Seek backward 5s |
| L | Seek forward 5s |
| Q | Set trim start to playhead |
| E | Set trim end to playhead |
| M | Toggle mute |
| ? | Show keyboard shortcuts |
Platform presets
| Platform | Resolution | Max FPS | Max Size | Codec |
|---|---|---|---|---|
| 1080x1920 | 60 | 300 MB | H.264 High 4.0 | |
| TikTok | 1080x1920 | 60 | 4 GB | H.264 High 4.2 |
| Twitter/X | 1080x1920 | 60 | 512 MB | H.264 High 4.2 |
| 720x1280 | 30 | 16 MB | H.264 Main 3.1 | |
| Telegram | 1080x1920 | 60 | 2 GB | H.264 High 4.2 |
Each platform offers a Max mode (highest quality, slower encode) and an Optimized mode (smaller files, faster encode). WhatsApp auto-caps bitrate to fit the 16 MB limit.
Development
Trimmy is built with PySide6. To work on it from source:
git clone https://github.com/musantro/trimmy.git
cd trimmy
uv sync
uv run python -m trimmy
See CHANGELOG.md for release history.
Documentation
The documentation site lives in docs and is configured with MkDocs Material:
uv run --group docs mkdocs serve
License
1 maintainer
Metadata
1 maintainer
Release files for trimmy 0.20.0
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Source distribution (sdist)
| File | Size | Uploaded | Provenance | Actions |
|---|---|---|---|---|
| trimmy-0.20.0.tar.gz | 792.4 kB | Without provenance | Details for trimmy-0.20.0.tar.gz |
Built distribution (wheel)
| File | Interpreter | ABI | Platform | Actions Reset |
|---|---|---|---|---|
| trimmy-0.20.0-py3-none-any.whl | Python 3 | none | any | Details for trimmy-0.20.0-py3-none-any.whl |
Total release size: 1.6 MB
Release files / trimmy-0.20.0.tar.gz
| Download URL | trimmy-0.20.0.tar.gz |
|---|---|
| Size | 792.4 kB |
| Tags | Source |
|
SHA-256 checksum How to use checksums |
0f90776975cf0e3188667eb522411dde077535ba3b2cf33ac838e1c4b8cf09b1
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BLAKE2b-256 checksum How to use checksums |
73ddeaa7060f51addd297451d5452a2e63a36978e654595c4aafefcd1d5d6e72
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Yes |
| Uploaded via |
uv/0.13.6 {"installer":{"name":"uv","version":"0.13.6","subcommand":["publish"]},"python":null,"implementation":{"name":null,"version":null},"distro":{"name":"Ubuntu","version":"24.04","id":"noble","libc":null},"system":{"name":null,"release":null},"cpu":null,"openssl_version":null,"setuptools_version":null,"rustc_version":null,"ci":true}
|
Release files / trimmy-0.20.0-py3-none-any.whl
| Download URL | trimmy-0.20.0-py3-none-any.whl |
|---|---|
| Size | 827.7 kB |
| Tags | Python 3 |
|
SHA-256 checksum How to use checksums |
94919af9741a513db7b75931aa88464953cddf0cdee64ff6b9a4b5cd261e541d
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Yes |
| Uploaded via |
uv/0.13.6 {"installer":{"name":"uv","version":"0.13.6","subcommand":["publish"]},"python":null,"implementation":{"name":null,"version":null},"distro":{"name":"Ubuntu","version":"24.04","id":"noble","libc":null},"system":{"name":null,"release":null},"cpu":null,"openssl_version":null,"setuptools_version":null,"rustc_version":null,"ci":true}
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Security for trimmy 0.20.0
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