CONVERT
TS → FLAC
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Fast, secure TS to FLAC conversion. No registration required.
Situation. TS is the MPEG transport stream, used in broadcast and HLS streaming segments. Solution: a FLAC, produced below. Our TS to FLAC converter demuxes the audio ES from the video container and writes it into a FLAC file. Because audio streams inside video files are already encoded, we can often stream-copy them, which means the FLAC you download is literally the same bytes the video was already carrying. A quick refresher — TS is the MPEG transport stream, used in broadcast and HLS streaming segments. By contrast, FLAC is the Free Lossless Audio Codec, offering 40–60% compression with zero quality loss.
MPEG Transport Stream
Source formatTS (Transport Stream) is used for broadcasting, streaming, and recording live TV.
FLAC Audio
Target formatFLAC is an open-source lossless audio codec that compresses audio to roughly 50-60% of its original size without any quality loss. It is the preferred format for audiophiles and music archival.
Why convert TS to FLAC
Audio takes a fraction of the space of the original TS and plays on every device. Converting to FLAC means a podcast-length recording drops from hundreds of megabytes to a handful, which matters on mobile data and in cloud storage bills.
HOW TO CONVERT
TS → FLAC
Upload the TS
Drop the video file into the browser uploader. We only need the file itself — nothing about its origin is retained.
FFmpeg demuxes to FLAC
The pipeline detects the audio stream inside the TS container and remuxes (or re-encodes if formats differ) into FLAC.
Download the FLAC
Grab the extracted audio. Both TS and FLAC auto-delete within two hours.
Common Use Cases
Share across platforms
Send FLAC files to anyone without worrying about whether they have the right software for TS.
Embed in documents
Drop FLAC output into Word, Google Docs, PowerPoint, Notion or a website without conversion warnings.
Optimize size
FLAC 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 FLAC — 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).
FLAC Strengths
- Lossless — decoded audio is bit-exact identical to the source.
- 40-60% smaller than uncompressed WAV/AIFF.
- Free, patent-free, open-source reference implementation.
- Built-in error detection via MD5 checksums.
- Streaming-friendly — seek tables let you jump to any timestamp instantly.
Limitations
- File sizes still large compared to lossy codecs (5-10× bigger than AAC for same audio).
- Not suitable for low-bandwidth scenarios like streaming on mobile data.
- Older MP3 players and car stereos may not decode FLAC.
TS vs FLAC — 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
FLAC
- MIME type
- audio/flac
- Standard
- Open-source reference implementation (Xiph.Org)
- Extension
- .flac
- Max bit depth
- 32 bits per sample
- Max sample rate
- 655 350 Hz
- Max channels
- 8
| Specification | TS | FLAC |
|---|---|---|
| MIME type | video/mp2t | audio/flac |
| Extensions | .ts, .m2ts, .mts | — |
| Standard | ISO/IEC 13818-1 (MPEG-2 Systems) | Open-source reference implementation (Xiph.Org) |
| Packet size | 188 bytes (standard); 192 bytes (M2TS/Blu-ray) | — |
| Primary use | Broadcast TV + HLS streaming | — |
| Extension | — | .flac |
| Max bit depth | — | 32 bits per sample |
| Max sample rate | — | 655 350 Hz |
| Max channels | — | 8 |
TS vs FLAC — Typical file sizes
Approximate file sizes for common scenarios.
TS
- HLS video segment (6 seconds, 1080p) 2-5 MB
- 1 hour recorded TV (HD) 4-8 GB
- Satellite transponder capture (1 min) ~300 MB
FLAC
- 3-min song (CD quality) 20-30 MB
- Full album (10 tracks, CD) 250-400 MB
- 3-min song (hi-res 24-bit/96 kHz) 80-120 MB
- Live concert recording (24-bit) 2-10 GB
Quality & Compatibility
When the audio codec inside the TS is directly writable into the FLAC container, we stream-copy without re-encoding, which means the FLAC is bit-for-bit the same audio data. If the codec differs (e.g. a TS carrying AAC into a FLAC that requires MP3), we re-encode at high default bitrate.
Tips for Best Results
- Keep the original TS alongside the FLAC — you may want to re-extract at different settings later.
- If the FLAC sounds thin, the source TS likely had a low-bitrate audio track; check the file metadata before blaming the converter.
- For YouTube-style rips, start with the highest-quality TS you can download, not the smallest — audio quality scales with video file size even though you discard the video.
Frequently Asked Questions
Yes. The free tier accepts files up to 25 MB without registration, email capture or watermarks; paid plans go up to 2 GB. Paid plans raise the size cap, enable batch conversions and provide a REST API for automation, but nothing on the free tier is quality-limited — the output is exactly the same as on any paid plan.
Only if the audio codec inside TS is not directly writable into the FLAC container. When codecs match we stream-copy, producing a bit-exact FLAC. When they differ, we re-encode at a high-quality default, so the perceptual loss is tiny for anything other than lossless-to-lossless mismatches.
Uploads run over HTTPS, files are processed in isolated containers, and both the source TS and the FLAC output are auto-deleted within two hours. No account is required, file contents are never logged, and KaijuConverter does not use uploads for AI training. The paid plan adds a signable data-processing agreement for regulated workflows.
No. The full TS lands in our processing container, we demux the audio locally and then the container is destroyed. The video bytes never leave KaijuConverter infrastructure and auto-delete within two hours along with the original file.
Most files finish in well under a minute. Small images and documents are typically ready in a few seconds; large video or audio files scale roughly with duration. Upload speed from your network is usually the dominant factor, not server time.
Yes. The Advanced options let you set start and end times in HH:MM:SS, so you can extract a single chapter, a specific quote or a clean sample instead of the full duration of the TS.
Related comparisons
See these formats side by side to understand which fits your use case best.
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Your files are encrypted during transfer, processed in isolated containers, and automatically deleted within 60 minutes. We never read, share, or store your data.