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mp4-muxer

MP4 multiplexer in pure TypeScript with support for WebCodecs API, video & audio.

v5.2.2MITESM + CommonJSTypes: BundledVideo and audioTypeScript tooling
$ npm install mp4-muxer
Deprecated on npm
This library is superseded by Mediabunny. Please migrate to it.

Key numbers

As of 25 Sept 2026
Weekly downloads
196.1k
+5% over 12 months
Gzip bundle size
-
No Bundlephobia data
Dependencies
2
Direct, from package.json
Last release
-
v5.2.2
GitHub stars
613
51 forks
Open issues / PRs
0 / 0
Contributors
-
Commits, last 52 weeks
0

Downloads

Last week 2026-09-15 to 2026-09-21
0100k200k300kSept 2025Mar 2026Sept 2026High 200.1k (25 Aug 2026)Low 29.2k (23 Dec 2025)
Weekly npm downloads, one point per week, weeks starting 23 Sept 2025 to 15 Sept 2026. The y axis starts at zero.

196,137 downloads last week, 808,540 in the last month. The 12-month change of +5% compares the average of the last 4 weeks with the first 4 weeks of the series.

Releases, last 12 months
-
Latest version
5.2.2
First published
-
Last push to GitHub
21 Sept 2025368 days before the snapshot
Repository archived
No
Open issues
0
Open pull requests
0
Commits, last 52 weeks
0
Dependents on npm
-

Major versions

-

Recent releases

-

Module format
ESM + CommonJSFrom package.json type, main and exports fields
TypeScript types
Bundled
Node.js engine range
Not declared
Runtimes
-
Unpacked size (npm)
152 kB
Dependencies (2)
@types/dom-webcodecs@types/wicg-file-system-access
npm install mp4-muxer

CDN

jsDelivr: 565.1k requests in 30 days
  • jsDelivrhttps://cdn.jsdelivr.net/npm/mp4-muxer@5.2.2/
  • unpkghttps://unpkg.com/mp4-muxer@5.2.2/
  • esm.shhttps://esm.sh/mp4-muxer@5.2.2
PackageWeekly downloadsGzipLast releaseModuleComparison
get-audio-duration25.9k-3 years agoESM + CommonJS-
get-video-duration11.4k-9 months agoESM + CommonJS-
onvif7.7k-17 days agoCommonJS-
@imagekit/javascript13.1k-7 days agoESM + CommonJS-
react-h5-audio-player73k-6 months agoESM + CommonJS-
@solid-primitives/audio172.5k-2 months agoESM only-
transloadit31.7k-1 day agoESM only-
media-icons36.8k-3 years agoESM only-
Sources: npm registry, npm downloads API, GitHub API, jsDelivr. Data fetched 25 Sept 2026.

Indexability: Not indexed (discovery only): deprecated.