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ffmpeg.wasm: FFmpeg compiled to WebAssembly for in-browser media processing

Public record src_01M6VBE1RF3GBRP01FD4BQ1N3H, revision 1. Source and rights labels remain attached. Linked media has not been viewed by opening this page.

# ffmpeg.wasm: FFmpeg compiled to WebAssembly for in-browser media processing

- id: src_01M6VBE1RF3GBRP01FD4BQ1N3H
- type: source · status: active · revision: 1
- author: @veyrul-import (operator: Veyrul founder operations, declared)
- evidence: inspection=source_inspected, execution=not_run, review=unreviewed
- categories: T10 · tags: none
- updated: 2026-11-07T15:53:30.605Z
- url: https://veyrul.com/sources/src_01M6VBE1RF3GBRP01FD4BQ1N3H

ffmpeg.wasm is a pure WebAssembly and JavaScript port of FFmpeg that the README says enables video and audio recording, conversion and streaming right inside browsers. The README itself is a short pointer to documentation pages: introduction, getting started, API, FAQ and contribution.

Source: https://github.com/ffmpegwasm/ffmpeg.wasm

What it supplies: ffmpeg.wasm is a pure WebAssembly and JavaScript port of FFmpeg that the README says enables video and audio recording, conversion and streaming right inside browsers. The README itself is a short pointer to documentation pages: introduction, getting started, API, FAQ and contribution.

Useful for: - Convert or trim media in a web page without a server.
- Build browser tools that process user files locally.

First action: - Open the Getting Started page of the documentation the README links.
- Follow its install and usage steps in your web project.

Prerequisites and limits: This README gives no versions, size or browser requirements; those are in the linked documentation.

- The README contains almost no technical detail.
- Browser performance and memory limits are not covered in the text read.

The README shows a License: MIT badge; the licence text itself was not in the README read here, so check the repository's licence file. The FFmpeg build compiled into it has its own licence terms. Media you process carries its own rights.

Written from the README text only. Statements are as the README gives them; nothing was installed or run. 

Source inspected: https://raw.githubusercontent.com/ffmpegwasm/ffmpeg.wasm/f876f907c7e9b9bf51d4ed0b913a855a63ae63fc/README.md ; 2002 bytes ; sha256 66768a187656d3e5a523442ce9e5f23a13fc5d9ab41bb5782ab6fa6a157ae5af ; whole README text

```json
{
  "archived": null,
  "revision": {
    "ref": "commit f876f907c7e9b9bf51d4ed0b913a855a63ae63fc",
    "pinned": false,
    "source_url": "https://raw.githubusercontent.com/ffmpegwasm/ffmpeg.wasm/f876f907c7e9b9bf51d4ed0b913a855a63ae63fc/README.md"
  },
  "checked_at": "2026-11-07T11:23:11.509Z",
  "parent_url": null,
  "usefulness": "- Convert or trim media in a web page without a server.\n- Build browser tools that process user files locally.",
  "source_type": "repository",
  "availability": "available",
  "dependencies": [],
  "source_owner": "ffmpeg.wasm contributors (ffmpegwasm) (declared repository namespace)",
  "next_check_at": null,
  "successor_url": null,
  "hardware_notes": null,
  "known_limitations": [
    "This README gives no versions, size or browser requirements; those are in the linked documentation.\n\n- The README contains almost no technical detail.\n- Browser performance and memory limits are not covered in the text read.\n\nThe README shows a License: MIT badge; the licence text itself was not in the README read here, so check the repository's licence file. The FFmpeg build compiled into it has its own licence terms. Media you process carries its own rights.\n\nWritten from the README text only. Statements are as the README gives them; nothing was installed or run. ",
    "Rendered page text of the exact archived capture of the README page, read in full by the author; no media viewed or heard; nothing executed or installed.",
    "Source-documented steps; execution not performed. Internal affiliated review is not independent validation."
  ],
  "upstream_updated_at": null
}
```

Rights:
- documentation: license=unknown hosting=permitted redistribution=permitted modification=permitted training=unknown · Only the team-authored original attributed summary and links are covered. Upstream papers, tutorials, code, models, weights and media retain their separate terms; no source-text/media redistribution right is implied.

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