Video Clipper — Trim & Crop Video by Fury28
Trim, crop and save web video clips as joined or separate MP4 files. English and Italian. Free local helper required; guided Windows setup, with no Python or PATH to configure.
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About this extension
Trim web video into MP4 clips. Crop on the page. Keep the moments you want.
Choose a video, mark its start and end, preview your selection and save locally. Export highlights as one joined video or separate numbered files.
Now in English and Italian
The interface follows your browser language, with an immediate choice of Automatic, Italiano or English in General settings. Original titles, custom names and paths stay intact.
Make it your clip
Three steps to your first clip
Download the helper and read the English guide
Helper 1.8.1 fixes final save failures with long Unicode names on Linux. Update the helper for this fix; helper 1.8.0 remains compatible with crop, format and audio. Extension and helper update separately. Windows installer available in English and Italian; Linux x86_64 uses the helper archive and system FFmpeg.
Your video stays under your control
Conversion runs on your computer; media requests go to the source website/CDN. No Video Clipper cloud upload or analytics. Session access for signed-in sites is optional, site-scoped and revocable. Reports omit cookie values, source addresses, titles and local paths. Translation is local; no translation service receives your text.
Privacy · Help or report a bug
Compatibility: Firefox 142+ desktop, Windows x64 and Linux x86_64 helper. Accessible HTML5 players and supported MP4/HLS/DASH sources; availability depends on the website and your access. DRM, live streams and closed shadow roots are unsupported. Snap/Flatpak and macOS/mobile helpers are unverified. Exit native fullscreen before cropping; CSS rotation/reflection prevents the crop overlay. Export can download the full source before trimming. “Original” quality is not lossless. No account or subscription required.
Choose a video, mark its start and end, preview your selection and save locally. Export highlights as one joined video or separate numbered files.
Now in English and Italian
The interface follows your browser language, with an immediate choice of Automatic, Italiano or English in General settings. Original titles, custom names and paths stay intact.
Make it your clip
- Precise IN/OUT times, fine adjustments, undo and preview.
- Move or resize a simple rectangle directly over the original video. Choose 9:16 phone, 1:1 square, 16:9 or 4:5 without stretching.
- Adjust or remove exported audio, add a local watermark and customize filenames.
- Save output profiles and projects, queue clips and open history separately.
- Use Firefox theme colors, custom shortcuts and local diagnostics.
Three steps to your first clip
- Install this extension. First installation opens Guided setup.
- Install the free local helper 1.8.1. On Windows x64, the guided installer prepares a permanent folder, connects Firefox and prepares verified FFmpeg tools if needed. No administrator access, separate Python install or manual PATH changes.
- Return to Settings → Guided setup → Check connection, choose your save folder and try a short clip.
Download the helper and read the English guide
Helper 1.8.1 fixes final save failures with long Unicode names on Linux. Update the helper for this fix; helper 1.8.0 remains compatible with crop, format and audio. Extension and helper update separately. Windows installer available in English and Italian; Linux x86_64 uses the helper archive and system FFmpeg.
Your video stays under your control
Conversion runs on your computer; media requests go to the source website/CDN. No Video Clipper cloud upload or analytics. Session access for signed-in sites is optional, site-scoped and revocable. Reports omit cookie values, source addresses, titles and local paths. Translation is local; no translation service receives your text.
Privacy · Help or report a bug
Compatibility: Firefox 142+ desktop, Windows x64 and Linux x86_64 helper. Accessible HTML5 players and supported MP4/HLS/DASH sources; availability depends on the website and your access. DRM, live streams and closed shadow roots are unsupported. Snap/Flatpak and macOS/mobile helpers are unverified. Exit native fullscreen before cropping; CSS rotation/reflection prevents the crop overlay. Export can download the full source before trimming. “Original” quality is not lossless. No account or subscription required.
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Permissions and data
Required permissions:
- Exchange messages with programs other than Firefox
Optional permissions:
- Access your data for all websites
Required data collection, according to the developer:
- Browsing activity
- Website content
More information
- Add-on Links
- Version
- 1.13.8
- Size
- 325.33 KB
- Last updated
- 17 days ago (Oct 27, 2026)
- Related Categories
- License
- All Rights Reserved
- Privacy Policy
- Read the privacy policy for this add-on
- Version History
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