Verified local conversion

TS to M4V

Pulling the soundtrack out of a .ts video into .m4v audio keeps what you can hear and drops the picture entirely. Free, private, and validated — the file never leaves your browser.

Private for supported formats — processed in your browser

Convert supported files

Runs on your device

Drop TS files here

Batch files can each use a different output. Nothing uploads for local conversions.

Working inputs include camera RAW, browser-local audio/video, PDF, CBZ/CBR comics, office documents, ebooks, markup, 3D models, structured text, images, and archives.

About converting MPEG transport stream to MPEG-4 video

Pulling the soundtrack out of a .ts video into .m4v audio keeps what you can hear and drops the picture entirely. A .ts file is an MPEG transport stream, the packetized format built to carry television through unreliable channels like antennas, satellites, and cable. DVR recordings, IPTV captures, and HLS streaming segments all use .ts, making it one of the most common raw broadcast formats people encounter.

An .m4v file is Apple's flavor of the MPEG-4 container, used by iTunes for movies, TV episodes, and music videos. Structurally it is almost identical to .mp4, but the .m4v extension signaled iTunes-specific features such as chapter markers and, on purchased content, FairPlay copy protection. For this route the practical draw is a DRM-free .m4v is a plain MP4, so a rename alone often fixes compatibility and carries chapters and artwork more gracefully than most containers — balanced against fairPlay-protected files play only in Apple apps on authorized devices, and no converter can open them, which is worth knowing before you commit a large batch.

Why convert TS to M4V?

The usual reason to take .m4v audio out of a .ts file is that only the sound matters — a talk, interview, song, or podcast segment. Keeping the video stream would waste storage, and a dedicated audio file is easier to trim, tag, and play. On the source side, packet overhead runs several percent above an equivalent MP4; on the target side, the payoff is a DRM-free .m4v is a plain MP4, so a rename alone often fixes compatibility, which is exactly what you want for playing back iTunes-era video libraries.

TS vs M4V at a glance

AspectMPEG transport stream (.ts)MPEG-4 video (.m4v)
Format typeContainer — quality depends on the codecs and settings insideContainer — quality depends on the codecs and settings inside
How it stores datafixed 188-byte packets with sync bytes and continuity counters allow receivers to detect and skip corrupted dataidentical ISO base media layout to MP4, distinguished only by branding atoms and the extension
Strongest atsaving recordings from DVRs and set-top boxesplaying back iTunes-era video libraries
Weak spotpacket overhead runs several percent above an equivalent MP4fairPlay-protected files play only in Apple apps on authorized devices, and no converter can open them
Metadatabroadcast service tables (SDT/EIT) can carry channel names and program-guide data, but there is no field for user taggingfull iTunes atom metadata: title, show, season, episode, artwork, chapters, and content ratings
01

Add your TS file

Drop one or more .ts files onto the converter above, or browse for them. They load into browser memory only — nothing is uploaded, so there is no size-based pricing and no server queue.

02

Pick M4V as the output

Select .m4v in the output menu next to each file. The menu only offers targets this engine can genuinely produce, so if M4V is selectable, the route is real and validated.

03

Convert on your device

Press Convert. A WebAssembly FFmpeg build demuxes the audio track and re-encodes it locally; the video stream is simply discarded.

04

Verify and download

Each result is signature-checked before the download unlocks, so a failed encode can never masquerade as a valid M4V file. Outputs keep the original filename with the .m4v extension.

TS to M4V questions, answered

Will converting TS to M4V lose quality?

Since ts is container-oriented and m4v is container-oriented, the conversion preserves the source content exactly as stored; no additional compression pass is applied beyond what .m4v itself requires.

Is it private to convert TS files here?

Yes — the .ts file is processed inside your browser tab and never uploaded. A WebAssembly FFmpeg build demuxes the audio track and re-encodes it locally; the video stream is simply discarded. Close the tab and the file is gone from memory.

Where will the M4V file work?

Apple devices treat .m4v as native, and most other players accept the file after inspecting its contents or following a rename to .mp4. The exception is DRM-protected iTunes video, which remains locked to Apple's own apps.

Will the M4V file be bigger or smaller than my TS?

Much smaller — the video stream is usually 80–95% of a .ts file's weight, and it is discarded entirely. The remaining audio is re-encoded at the bitrate implied by your quality setting.

What happens to the metadata in my TS file?

This converter strips container metadata deliberately (the FFmpeg command runs with metadata mapping disabled) so exported files do not leak recording details. In the source, broadcast service tables (SDT/EIT) can carry channel names and program-guide data, but there is no field for user tagging; none of it is transmitted anywhere because the file never leaves your browser.

Can I convert M4V back to TS?

Yes — the reverse route exists as a separate tool. Bear in mind that round-tripping .ts → .m4v → .ts is not a perfect undo when any lossy step is involved; keep your original if fidelity matters.