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title: Pocket Video Trimmer
tags:
- video
- video-editing
- browser
- offline
- no-install
---
# Pocket Video Trimmer
A whole video trimmer in **one HTML file**. Download it, double-click it, drop in a video. No install, no upload, no internet.
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## Inputs
Anything the browser can play:
| Works | Usually won't |
|---|---|
| MP4 / H.264 · MOV · WebM · most MKV | AVI · exotic codecs |
Any resolution or aspect ratio, portrait or landscape.
---
## Quick start
1. Download `Nugget Video Trimmer vX.X.html`
2. Double-click to open it in **Chrome or Edge**
3. Drag a video onto the page
Everything runs inside the browser tab. Nothing is uploaded — the file makes **zero network requests**.
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## What it does
**Trim** — scrub a filmstrip timeline, drag in/out handles, step frame by frame, or type exact times. A slim bar under the timeline slides the whole selection without changing its length.
**Multi-clip** — queue several cuts from one video and export them all at once into a folder you choose.
**Crop** — draggable box with ratio presets (16:9, 9:16, 1:1, 4:5, 2:3, 21:9, custom…).
**Resize & frame rate** — percentage presets or exact pixels; any fps.
**Compression** — one slider, smaller file ↔ bigger file, with a live size estimate.
**Pictures** — single-frame snapshot, animated GIF, and two kinds of contact sheet:
- *Auto storyboard* — N×N frames spread evenly across the selection
- *Manual storyboard* — pick the exact frames yourself, with thumbnails
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## Outputs
| | Format |
|---|---|
| Video | MP4 (H.264 + AAC), WebM fallback |
| Pictures | PNG |
| Animation | GIF |
Files are named from the source, timestamp and settings, e.g. `holiday_1m37s_1280x720_30fps.mp4`.
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## Good to know
- **Export runs in real time** — a 30-second clip takes about 30 seconds. Keep the tab on screen; it pauses if you switch away and resumes when you return.
- **It re-encodes**, so output isn't bit-identical to the source. The compression slider controls that trade-off.
- **GIF is 256 colours** and grows quickly — smaller width and 10–15 fps work best.
- Manual storyboards hold up to 25 frames; grids go to 10 × 10.
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## Requirements
Chrome or Edge. Firefox mostly works but falls back to WebM. No server, no dependencies, no build step.
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*by C_Nugget*
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