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TS to MP4 Converter
A browser-local TS to MP4 converter: merge segments losslessly, nothing is uploaded.
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Details
An open-source project on GitHub (MIT), built on FFmpeg.wasm: everything runs locally in your browser and no file is ever uploaded. Drop in multiple .ts segments and they are sorted by filename number for merging — drag to reorder, or drop a whole folder. When segments share H.264/AAC encoding it remuxes losslessly (stream copy, no re-encode); when codecs or resolutions differ it falls back to transcoding automatically. It also does batch conversion, TS/M2TS/MTS to MP4, MP4 to TS, and other common formats to MP4, with a progress bar and time estimate. The FFmpeg.wasm build is bundled with no CDN dependency, so it works offline, free with no sign-up. Repository: github.com/qgeng1465/ts-to-mp4-converter. The honest limit: browser memory caps out around 1–2 GB, so segment sets totalling over roughly 800 MB should be split into batches.
Who it's for
Anyone holding segmented .ts files that need to become one MP4 — unfinished download segments, or .ts recordings from a capture device or TV.
18btc Crypto Tools Navigator · Our Take
“For occasional rescue jobs: no installs, and your video never goes to a stranger's server. The browser memory ceiling is the real constraint — split big jobs into batches. For everyday m3u8 downloading a dedicated downloader is smoother; this shines when automatic merging failed and segments need manual saving.”