CONVERT TS → AVI (TS to AVI)
Fast, secure TS to AVI conversion. No registration required.
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HOW TO CONVERT TS → AVI
Provide the TS clip
Upload through the browser; transfers are encrypted end-to-end and files are quarantined per session.
Convert to AVI
The conversion keeps resolution, frame rate and bit depth identical to the source unless you explicitly override them.
Save to your device
Click download to pull the AVI to local storage; share the short-lived URL with collaborators if needed.
Situation. TS is the MPEG transport stream, used in broadcast and HLS streaming segments. Solution: a AVI, produced below. Turn your TS video into a AVI the rest of the world can play. The codecs inside may be the same; just the container changes. That alone is enough to fix most "upload failed" and "cannot play this file" errors, and it happens in seconds with no quality loss when stream copy applies. A quick refresher — TS is the MPEG transport stream, used in broadcast and HLS streaming segments. By contrast, AVI is the legacy Microsoft Audio Video Interleave container from the 1990s.
Why convert TS to AVI
The usual reason to convert from TS into AVI is the same reason anyone transcodes video: the original container is not accepted where you are trying to send the file. Swapping to AVI flips that rejection into a clean upload without altering the footage itself.
TS vs AVI — Technical specifications
Side-by-side comparison of the technical details.
TS
- MIME type
- video/mp2t
- 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
- MIME Type
- video/mp2t
- Extension
- .ts
- Category
- Video Files
- Full Name
- MPEG Transport Stream
- Conversion Engine
- FFMPEG
AVI
- MIME type
- video/x-msvideo
- MIME Type
- video/x-msvideo
- Extension
- .avi
- Category
- Video Files
- Full Name
- AVI Video
- Conversion Engine
- FFMPEG
- Container
- RIFF
- Max file size
- 2 GB (original); 4 GB (OpenDML extension)
- Codec support
- Any codec via FourCC identifiers
| Specification | TS | AVI |
|---|---|---|
| MIME type | video/mp2t | video/x-msvideo |
| 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 | — |
| MIME Type | video/mp2t | video/x-msvideo |
| Extension | .ts | .avi |
| Category | Video Files | Video Files |
| Full Name | MPEG Transport Stream | AVI Video |
| Conversion Engine | FFMPEG | FFMPEG |
| Container | — | RIFF |
| Max file size | — | 2 GB (original); 4 GB (OpenDML extension) |
| Codec support | — | Any codec via FourCC identifiers |
TS vs AVI — Strengths and limitations
What each format does best, and where it falls short.
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).
AVI Strengths
- Simple, well-documented format — trivial for any video library to parse.
- Universal Windows playback since Video for Windows in 1992.
- Low encoding overhead — interleaved structure is fast to write.
- Works with any codec technically, including modern ones.
Limitations
- Aging container — no native support for chapters, subtitles, or multi-audio selection.
- File-size limits (2 GB original, 4 GB with OpenDML) break for HD content.
- Variable-framerate video causes sync drift.
Quality & Compatibility
The conversion does not upscale or sharpen the video. A 1080p TS produces a 1080p AVI; a 4K source stays 4K unless you select a lower output resolution explicitly. Picking higher bitrates does not improve perceived quality beyond the source ceiling.
Tips for Best Results
- If your TS has variable frame rate, force a constant frame rate in AVI to avoid stuttering on some players and streaming platforms.
- For screen recordings at high resolution, quality 22 CRF H.264 keeps text perfectly readable at a fraction of the source size.
- Check the audio track after transcoding — some TS containers carry unusual audio codecs that downgrade subtly when remapped to AVI.
Frequently Asked Questions
Only when it has to. If the codecs inside TS (usually H.264 or H.265 for video, AAC for audio) are accepted by AVI, 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".
MPEG Transport Stream
Source formatTS (Transport Stream) is used for broadcasting, streaming, and recording live TV.
AVI Video
Target formatAVI is a legacy Microsoft multimedia container that stores audio and video data. While largely superseded by modern formats, it remains widely recognized and is produced by many older devices and screen recorders.
Going the other way? Convert AVI back to TS with the same engine.
Common Use Cases
Share across platforms
Send AVI files to anyone without worrying about whether they have the right software for TS.
Embed in documents
Drop AVI output into Word, Google Docs, PowerPoint, Notion or a website without conversion warnings.
Optimize size
AVI often produces smaller files than TS 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.
TS vs AVI — Typical file sizes
Approximate file sizes for common scenarios.
- HLS video segment (6 seconds, 1080p) 2-5 MB
- 1 hour recorded TV (HD) 4-8 GB
- Satellite transponder capture (1 min) ~300 MB
- 10-min video (XviD / MP3) 100-200 MB
- 45-min TV episode (DivX) 350-700 MB
- 2-hour movie (DVD rip) 700 MB - 1.4 GB
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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