ffmpegwasm/ffmpeg.wasm on Hacker News

this might be an extremely stupid question, but is this just a demo project of https://github.com/ffmpegwasm/ffmpeg.wasm ? or is this bringing forth some other utility that im not seeing?

comment by arpadav · 2026-06-05 · in Show HN: FFmpeg WebCLI – Full FFmpeg in Browser, Offline PWA, No Uploads(WASM)

Similar to https://github.com/ffmpegwasm/ffmpeg.wasm ?

comment by toomuchtodo · 2026-03-10 · in FFmpeg-over-IP – Connect to remote FFmpeg servers

…ffmpeg does (except streaming because it doesn't have network access) can be done in the browser. https://github.com/ffmpegwasm/ffmpeg.wasm

comment by leptons · 2025-10-18 · in Show HN: OnlyJPG – Client-Side PNG/HEIC/AVIF/PDF/etc to JPG

…this workflow it could've become a tool similar to Topaz AI which is quite popular these days. [0]: https://github.com/ffmpegwasm/ffmpeg.wasm [1]: https://github.com/xinntao/Real-ESRGAN-ncnn-vulkan [2]:…

comment by np1810 · 2025-08-22 · in FFmpeg 8.0

…ffmpeg that could encode in the browser. I for the life of me couldn't get the provided examples on https://github.com/ffmpegwasm/ffmpeg.wasm to run. Just for my own development curiosity, was there anything specific you had to do to get…

comment by jjcm · 2025-07-14 · in Show HN: FFmpeg in plain English – LLM-assisted FFmpeg in the browser

…not enough of a proportion for LLMs to understand it well. https://github.com/Kagami/ffmpeg.js/ https://github.com/ffmpegwasm/ffmpeg.wasm

comment by minimaxir · 2025-06-04 · in FFmpeg merges WebRTC support

Like this? https://github.com/ffmpegwasm/ffmpeg.wasm

comment by Alifatisk · 2025-04-12 · in Open source and self hostable/private file converter

…that ffmpeg was ported (well, transpiled) to WASM. This is more specifically built on that port: https://github.com/ffmpegwasm/ffmpeg.wasm That project has an interactive playground that essentially describes and demonstrates how it works:…

comment by starkparker · 2025-04-12 · in Open source and self hostable/private file converter

…those messages. Under the hood it uses the amazing library ffmpeg.wasm (the JS port of ffmpeg): https://github.com/ffmpegwasm/ffmpeg.wasm I also made use of TypeScript, React and Vite to create this extension, using this boilerplate as…

comment by mattigames · 2024-08-23 · in Show HN: I Added a Feature to WhatsApp-Web, Animated GIFs Uploads (Chrome Ext.)

…a "ffmpeg in the browser"? I don't know if this project uses it, but there's ffmpeg.wasm [1]. 1: https://github.com/ffmpegwasm/ffmpeg.wasm

comment by pilaf · 2024-07-02 · in Show HN: I created an After Effects alternative

Actually it is: https://github.com/ffmpegwasm/ffmpeg.wasm , but for this particular project it seems using mp4box from gpac

comment by rizky05 · 2024-07-02 · in Show HN: I created an After Effects alternative

There's already ffmpeg wasm. I've used it in projects. Works great. https://github.com/ffmpegwasm/ffmpeg.wasm

comment by jasonjmcghee · 2024-04-07 · in Show HN: I open-sourced the in-memory PostgreSQL I built at work for E2E tests

It is already https://github.com/ffmpegwasm/ffmpeg.wasm

comment by rep_wex · 2023-06-15 · in Show HN: FFmpeg UI

One that comes to mind is the WASM port of FFmpeg: https://github.com/ffmpegwasm/ffmpeg.wasm Another is the SQLite WASM project: https://sqlite.org/wasm/doc/trunk/index.md Also v86 for x86 machine virtualization in the web browser:…

comment by lioeters · 2023-04-22 · in WebAssembly Text Code Samples

https://github.com/ffmpegwasm/ffmpeg.wasm#what-is-the-maximu... I looked at the ffmpeg inputfile and its a uint8, converted a file object to uint8 did not work too - gives a file format error! any updates on this?

comment by amythical666 · 2022-12-05 · in ffmpeg.wasm – a pure WebAssembly / JavaScript port of FFmpeg

I found this https://github.com/ffmpegwasm/ffmpeg.wasm#what-is-the-maximu... the inputfile needs a uint8 array, which i tried converting file to uint8 but that gives a file format error and doesnt process the ffmpeg command

comment by amythical666 · 2022-12-05 · in ffmpeg.wasm – a pure WebAssembly / JavaScript port of FFmpeg

…coming to Chrome also. Does not work in Firefox 79+ because SharedArrayBuffer is undefined #106 - https://github.com/ffmpegwasm/ffmpeg.wasm/issues/106 --- The solution is to add cross-origin headers. > As a baseline requirement, your…

comment by lioeters · 2022-11-30 · in Godot Engine Release Management: 4.0 and beyond

…WebAssembly code which is transpiled from original FFmpeg C code with minor modifications [1] [1] https://github.com/ffmpegwasm/ffmpeg.wasm#what-is-the-licens...

comment by bragr · 2022-11-29 · in ffmpeg.wasm – a pure WebAssembly / JavaScript port of FFmpeg

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

comment by lightbendover · 2022-11-28 · in Guide to FFmpeg

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

comment by thesandlord · 2022-10-24 · in Record-breaking chip can transmit 1.8 petabits per second

…versus local (e.g., open, save) when using offline/local and privacy as an attraction. [1] https://github.com/ffmpegwasm/ffmpeg.wasm

comment by hackish · 2022-08-19 · in Imgator: Compress, convert, edit and resize your images

Ooh, if this also used ffmpeg-wasm [1], you could then run the command itself in the browser! [1] https://github.com/ffmpegwasm/ffmpeg.wasm

comment by phailhaus · 2022-06-01 · in Ffmpeg Buddy

Would be cool to see something client side using ffmpeg in browser, like https://github.com/ffmpegwasm/ffmpeg.wasm Found a previous post from someone using that lib https://news.ycombinator.com/item?id=26580333

comment by harrisonjackson · 2021-10-15 · in Show HN: Download videos, but only the parts you want

Looks to be using https://github.com/ffmpegwasm/ffmpeg.wasm In the future https://www.w3.org/TR/webcodecs/ may allow for a native API to do this.

comment by zamadatix · 2021-09-13 · in Show HN: Video2WebP – convert videos to animated WebP in the browser

…browser support) https://developer.mozilla.org/en-US/docs/Web/API/MediaStream... 2. ffmpeg.wasm https://github.com/ffmpegwasm/ffmpeg.wasm/

comment by johndough · 2021-07-11 · in Expressive Animator: free software vector animation and motion graphics editor

Ffmpeg can run in any browser now… https://github.com/ffmpegwasm/ffmpeg.wasm Maybe can package that up and monetize but… maybe hard to corner a market

comment by taf2 · 2021-06-17 · in What xAAS (x-As-A-Service) would you like to build?

…require-corp Related links: Does not work in Firefox 79+ because SharedArrayBuffer is undefined - https://github.com/ffmpegwasm/ffmpeg.wasm/issues/106 SharedArrayBuffer: Planned changes to shared memory -…

comment by lioeters · 2021-05-02 · in Show HN: Browser-based audio extractor tool

For anyone interested in trying FFmpeg in the browser: https://github.com/ffmpegwasm/ffmpeg.wasm No affiliation -- found it while searching for browser-based ports of FFmpeg.

comment by panabee · 2020-12-20 · in FFmpeg is 20 years old today

…cooler to get it working in user browser with local CPU and no upload thanks to ffmpeg on WASM: https://github.com/ffmpegwasm/ffmpeg.wasm

comment by imhoguy · 2020-11-16 · in Create Vintage Videos Using FFmpeg in 4 Simple Steps

…which means I cannot do that as I am using github pages. You can check more details here: https://github.com/ffmpegwasm/ffmpeg.wasm/issues/102

comment by JeromeWu · 2020-11-05 · in A pure WebAssembly / JavaScript port of FFmpeg

…to MP4 with or without re-encoding(will be faster) using ffmpeg or ffmpeg-wasm (within browser) https://github.com/ffmpegwasm/ffmpeg.wasm 2). Another option is play webm directly using wasm https://github.com/brion/ogv.js

comment by ninenines · 2020-10-16 · in Show HN: I built a SaaS to allow customers to send quick screen recordings

…on compiling FFmpeg to WASM: https://itnext.io/build-ffmpeg-webassembly-version-ffmpeg-js... [1] https://github.com/ffmpegwasm/ffmpeg.wasm

comment by alfg · 2020-09-25 · in Show HN: Video Transcoder on the browser using WASM

…video in the browser using Web Assembly and FFmpeg The project is also open source and based on https://github.com/ffmpegwasm/ffmpeg.wasm Let me know what you think!

comment by cryogenicplanet · 2020-09-25 · in Show HN: Video Transcoder on the browser using WASM