All conversion happens in your browser — no server uploads, your video never leaves your device.
⇄Convert M3U8 to MP4
Enter an M3U8 URL. StreamFlow parses the stream, downloads all segments, and merges them into an MP4 file — entirely in your browser.
M3U8 Video URL
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output.mp4
⚠ Important Notes · Browser security requires the target server to allow CORS · Conversion is done locally — your video never leaves your browser · Large videos may take time; keep the tab open · Respect copyright — only convert content you have rights to
How It Works
01
Parse M3U8
Extract all TS segment URLs, auto-follow master playlist redirects
02
Concurrent Fetch
Download multiple segments in parallel with configurable concurrency
03
In-memory Merge
Concatenate all TS segments in order in browser memory
04
Export & Download
Generate an MP4 Blob and trigger browser download — no server needed