CONVERT WEBM → TS (WEBM to TS)
Fast, secure WEBM to TS conversion. No registration required.
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HOW TO CONVERT WEBM → TS
Drop the video file
Select a WEBM file. We read the container and stream descriptors to plan the conversion.
FFmpeg handles the repackage
When codecs align, FFmpeg rewraps the existing streams into a TS container — no quality loss, near-instant finish.
Retrieve the TS
The TS download is ready in seconds for stream-copy jobs, minutes for full transcodes.
WebM is Google's royalty-free VP8/VP9/AV1 container optimised for the web. Reaching a TS from there is one hop. A WEBM to TS conversion makes a recording portable. Video containers matter more than you might expect: players that handle TS natively sometimes stutter or flat-out reject WEBM with the same codec inside. Uploading above triggers a stream-level rewrap when possible, keeping the visible quality identical to the source. One more beat. WebM is Google's royalty-free VP8/VP9/AV1 container optimised for the web. Receiving format: TS is the MPEG transport stream, used in broadcast and HLS streaming segments.
Why convert WEBM to TS
Sending WEBM to someone on a non-matching operating system frequently leads to "file cannot be opened". TS avoids that by sitting in the middle of everyone's compatibility list. The repackage runs quickly and without generational loss when codecs already align.
WEBM vs TS — Technical specifications
Side-by-side comparison of the technical details.
WEBM
- MIME type
- video/webm
- Extension
- .webm
- Container
- Matroska subset
- Video codecs
- VP8, VP9, AV1
- Audio codecs
- Vorbis, Opus
- MIME Type
- video/webm
- Category
- Video Files
- Full Name
- WebM Video
- Conversion Engine
- FFMPEG
TS
- MIME type
- video/mp2t
- Extension
- .ts
- MIME Type
- video/mp2t
- Category
- Video Files
- Full Name
- MPEG Transport Stream
- Conversion Engine
- FFMPEG
- Extensions
- .ts, .m2ts, .mts
- Standard
- ISO/IEC 13818-1 (MPEG-2 Systems)
- Packet size
- 188 bytes (standard); 192 bytes (M2TS/Blu-ray)
- Primary use
- Broadcast TV + HLS streaming
| Specification | WEBM | TS |
|---|---|---|
| MIME type | video/webm | video/mp2t |
| Extension | .webm | .ts |
| Container | Matroska subset | — |
| Video codecs | VP8, VP9, AV1 | — |
| Audio codecs | Vorbis, Opus | — |
| MIME Type | video/webm | video/mp2t |
| Category | Video Files | Video Files |
| Full Name | WebM Video | MPEG Transport Stream |
| Conversion Engine | FFMPEG | FFMPEG |
| Extensions | — | .ts, .m2ts, .mts |
| Standard | — | ISO/IEC 13818-1 (MPEG-2 Systems) |
| Packet size | — | 188 bytes (standard); 192 bytes (M2TS/Blu-ray) |
| Primary use | — | Broadcast TV + HLS streaming |
WEBM vs TS — Strengths and limitations
What each format does best, and where it falls short.
WEBM Strengths
- Patent-free and royalty-free — no licensing worries for encoders.
- First-class HTML5 <video> support across browsers.
- AV1 inside WebM offers best-in-class compression (30-50% smaller than H.264).
- Low overhead — the container strips everything MKV does not need.
- Powered by battle-tested libvpx and dav1d reference decoders.
Limitations
- Limited codec palette — cannot carry H.264 or HEVC streams.
- Encoding AV1 or VP9 at quality is slow.
- Hardware decoders for AV1 are still catching up on older devices.
TS Strengths
- Designed for noisy channels — packet-level error correction.
- Multi-program: one TS can carry several TV channels.
- Native format for all digital TV broadcasts and HLS streaming.
- Streaming-first: no need to download whole file to start playing.
- 30+ years of stable, deployed infrastructure.
Limitations
- Packet overhead (~3% vs Program Stream).
- Seek index is implicit — requires scanning for random access.
- Multiple audio/subtitle selection requires parsing PMT (Program Map Tables).
Quality & Compatibility
Resolution, frame rate and colour space are preserved end-to-end. If the TS container does not support some WEBM features (chapters, multiple subtitle tracks, DRM-protected streams), those are flattened or dropped with a warning. Hard-coded subtitles in the video frames always survive.
Tips for Best Results
- Embedded subtitle tracks convert between WEBM and TS when both containers support the same subtitle codec; otherwise burn the subtitles into the video first.
- For portrait (9:16) clips, make sure the TS encoder preserves the correct display aspect ratio — some players default to 16:9 if SAR is ambiguous.
- Long recordings (over an hour) benefit from chapter metadata; TS may not preserve WEBM chapters — check before relying on them.
Frequently Asked Questions
Only when it has to. If the codecs inside WEBM (usually H.264 or H.265 for video, AAC for audio) are accepted by TS, we stream-copy — the bytes are repackaged into the new container with zero re-encoding and no quality loss. When the source uses a codec the target does not support, we transcode at a matching bitrate to keep the visual quality close to the original.
With stream copy, expect the job to finish in seconds to tens of seconds regardless of video length — the work is mostly rewriting the container. Transcoding is slower (roughly real-time: a ten-minute clip takes about ten minutes) because every frame must be decoded and re-encoded. The progress bar shows which mode applies.
Yes. Resolution, frame rate, colour space and bit depth are preserved by default; stream copy is literally bit-identical on these parameters. If you explicitly pick a lower bitrate or a different codec in Advanced, the output is rebuilt to those settings, but the default is always "match the source".
WebM Video
Source formatWebM is an open, royalty-free media format developed by Google. It uses VP8/VP9 video with Vorbis/Opus audio and is natively supported by all major web browsers for HTML5 video.
MPEG Transport Stream
Target formatTS (Transport Stream) is used for broadcasting, streaming, and recording live TV.
Going the other way? Convert TS back to WEBM with the same engine.
Common Use Cases
Share across platforms
Send TS files to anyone without worrying about whether they have the right software for WEBM.
Embed in documents
Drop TS output into Word, Google Docs, PowerPoint, Notion or a website without conversion warnings.
Optimize size
TS often produces smaller files than WEBM for web, email and storage.
Archive & future-proof
Store in a widely-supported format that will still open on future operating systems without legacy plugins.
WEBM vs TS — Typical file sizes
Approximate file sizes for common scenarios.
- Short web clip (1080p VP9, 1 min) 15-30 MB
- YouTube 1080p AV1 (1 min) 12-20 MB
- Animated sticker (VP9, transparent) 200-800 KB
- HLS video segment (6 seconds, 1080p) 2-5 MB
- 1 hour recorded TV (HD) 4-8 GB
- Satellite transponder capture (1 min) ~300 MB
Working with 4K/8K Video or Files Over 100MB?
Web browsers impose strict RAM limits on media streams. For gigabyte 4K/8K footage, GPU-accelerated NVENC transcode, or batch subtitle muxing, dedicated desktop encoders deliver zero upload delays.
One-time payment with zero recurring commitment: convert files up to 1 GB, OCR, PDF/A, and .ZIP batches for 24 hours.
Full 7 days of unlimited conversions, up to 2 GB per file, 100% ad-free with zero subscription.
High-throughput enterprise pipeline for files up to 2,048 MB, 50-file batches, ISO PDF/A, and priority processing.
Uncapped 4K/8K multi-track transcoding with hardware NVENC, VideoToolbox, and AV1/HEVC pipelines.
10-bit color grading workflows, Apple ProRes mastering, and automated watch-folder queues.
Related comparisons
See these formats side by side to understand which fits your use case best.
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