# WebAV-Tech/WebAV

A web-based Video Editing SDK built on WebCodecs. 基于 WebCodecs 构建的网页视频编辑 SDK。

Repository: https://github.com/WebAV-Tech/WebAV
Canonical: https://ross.abutalabs.com/products/webav
Homepage: https://webav-tech.github.io/WebAV
Language: TypeScript
License: MIT
License Family: permissive
Topics: audio, canvas, video, webcodecs, media, mp4, recorder, browser, web, video-editing
Last push: 2026-01-10T09:53:51+00:00

## Health v2 (maintenance only)
Score: 58/100 (v2, computed 2026-09-02T17:46:02.011165+00:00)
- activity 61, release rhythm 35, longevity 89
- inputs: {"age_days": 1255, "days_push": 235, "days_rel": null, "gap_med": null, "n_releases_24m": 0}
- flags: no_releases
- formula: round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)

## Adoption (not part of the score)
Stars 2087, forks 233 (observed 2026-08-28T04:06:12.028595+00:00)

## What it is
WebAV is a TypeScript SDK for creating and editing audio/video files entirely in the browser, built on the WebCodecs API. It provides composable packages like av-cliper for parsing and manipulating media clips, with Canvas and WebAudio integration for custom effects.

## Use cases
- edit videos in the browser without a server
- batch add watermarks or subtitles to video files
- concatenate multiple video clips client-side
- build a web-based video editor
- record live audio and video from canvas
- dub or add audio tracks to videos
- decode and play video with canvas and webaudio

## When to choose
- you need client-side video processing with no server costs
- user privacy matters and media must not be uploaded
- you want much faster performance than ffmpeg.wasm
- you are targeting modern Chrome/Edge or Electron

## When to avoid
- you need to support browsers without WebCodecs (pre-Chrome 102, Safari/Firefox support limited)
- you need server-side or native video processing
- you need a ready-made end-user editor rather than an SDK

## Facets
- artifact type: library
- maturity: active
- function: video-processing, audio-processing, image-processing, sdk
- domain: media, web-development, frontend
- platform: browser, cross-platform
- tags: webcodecs, video-editing, mp4, recorder, canvas, webaudio, client-side, typescript, video, electron

## Member repositories
- WebAV-Tech/WebAV (main) score 58

## Provenance
- Observed fields: from GitHub, fetched 2026-08-28T04:06:12.028595+00:00.
- Health v2: computed from the inputs above; adoption is never an input.
- Inferred fields (summary, facets, guidance): AI-extracted, prompt v1, taxonomy v1, on 2026-08-30T02:55:44.257999+00:00, confidence not recorded.
  - readme: https://github.com/WebAV-Tech/WebAV (fetched 2026-08-28T04:06:12.028595+00:00, sha 9916e4970b22)
  - homepage: https://webav-tech.github.io/WebAV (fetched 2026-08-29T10:35:53.739770+00:00, sha f2353dfe99f4)
- Data as of 2026-08-30T08:39:29.467469+00:00.