TS to AVCHD Converter

How to Convert TS to AVCHD Online

1. Upload Your TS File: Drag and drop your .ts capture or click "+ Add Files" to select one or more transport-stream files. Batch is supported, so you can queue an entire DVR recording or multi-part broadcast in one run.
2. Pick Codec and Quality Preset: The output defaults to H.264 video with AC-3 audio — the codec pair AVCHD requires. Leave Quality Preset at Very High (Recommended) for archive-grade output, or switch File Compression to Constant Bitrate / Variable Bitrate to cap the target rate (Sony/Panasonic camcorders write AVCHD at up to 24 Mbit/s, with 28 Mbit/s in progressive PS mode).
3. Resize or Trim (Optional): Use Preset Resolutions to clamp to AVCHD-spec sizes (1920×1080 or 1280×720), enter custom Width × Height, or scale by percentage. Enable Trim → Time Range to cut a start/duration window before encoding so you don't waste time on unwanted broadcast tails.
4. Convert and Download: Click Convert. Files process on our servers (TS payloads can be huge — broadcast captures of a 2-hour movie often exceed 4 GB) and the AVCHD output downloads on our servers. No watermark, no sign-up.

Why Convert TS to AVCHD?

.ts (MPEG-2 Transport Stream, defined in ISO/IEC 13818-1) is the wrapper your TV tuner, IPTV box, or DVB-T/ATSC capture card writes when it records a broadcast: 188-byte packets engineered for lossy radio links, often carrying MPEG-2 video and stitched together from whatever the broadcaster muxed in. AVCHD, jointly specified by Sony and Panasonic in 2006, is a much stricter profile: H.264 video at up to 1920×1080, AC-3 (or LPCM) audio, in an MPEG-2 transport stream container — the format consumer Blu-ray players, NLE timelines, and AVCHD-aware camcorders all expect.

• Blu-ray and AVCHD-disc authoring — Burning a TS straight to a Blu-ray almost always fails because the bitrate, audio codec, or GOP structure isn't AVCHD-compliant. Re-encoding to AVCHD produces a stream that drag-and-drop authoring tools (Multi-AVCHD, tsMuxeR, Toast) accept without complaint.
• NLE timeline compatibility — Adobe Premiere Pro, Final Cut Pro, and DaVinci Resolve all import AVCHD natively. Premiere often chokes on raw broadcast TS (missing PMT, ambiguous PIDs); converting first gives you a clean H.264 + AC-3 file the editor can decode without proxy generation.
• Camcorder card replay — If you need to drop a clip onto an SDHC/SDXC card and have a Sony/Panasonic camcorder play it back, AVCHD is the only structure their firmware recognises (the BDMV / STREAM folder hierarchy with .mts payloads).
• Smaller files than MPEG-2 TS — Most broadcast TS streams carry MPEG-2 video at 15–25 Mbit/s. Re-encoding to H.264 inside the AVCHD spec typically halves file size at the same perceived quality, useful when archiving long recordings.
• DVR exports that play on Blu-ray hardware — Standalone Blu-ray players reject most raw .ts files but happily play AVCHD discs and AVCHD-on-DVD-R, which is the cheapest way to put a recording on a TV without a media-server setup.

TS vs AVCHD — Format Comparison

H.264 Profile and Bitrate Guide for AVCHD

Frequently Asked Questions

Why not just rename my.ts file to.mts?

Because AVCHD is a complete spec, not just an extension. A .ts file from your DVR is almost always MPEG-2 video with MP2 or AAC audio, and the GOP/bitrate structure is whatever the broadcaster sent. AVCHD requires H.264 video, AC-3 (or LPCM) audio, specific resolutions, and the BDMV/STREAM/ folder layout for disc playback. Renaming changes nothing inside the file — a real re-encode is the only path that produces something a Blu-ray player or camcorder will accept.

Will my Sony or Panasonic camcorder play the output back from an SD card?

Only if you reconstruct the full AVCHD folder tree (BDMV, CERTIFICATE, AVCHDTN, etc.) on the card — most camcorders refuse to index loose .mts files. The converter here gives you the spec-compliant stream; tools like Multi-AVCHD or tsMuxeR wrap it into the directory structure the camcorder expects. If you only need PC/NLE playback, the bare .mts file is fine.

What's the difference between AVCHD and just an H.264 MP4?

The video codec is the same. The differences are the container (MPEG-2 TS vs. ISO BMFF/MP4), the mandatory audio codec (AC-3 for AVCHD vs. AAC for MP4), the resolution restrictions (AVCHD locks to specific HD sizes; MP4 allows anything), and Blu-ray-player compatibility (AVCHD-on-disc plays on standalone hardware; MP4 generally doesn't). If you only need PC or phone playback, TS to MP4 gives you a smaller, more portable file.

Why does my broadcast TS sometimes have audio sync issues after conversion?

Broadcast TS streams can have discontinuous PCRs (program clock references), missing PAT/PMT tables, or audio splices from ad insertion. These confuse the demuxer. If sync drifts, try converting to MP4 first (TS to MP4) to clean the stream, then re-encode that MP4 to AVCHD — the intermediate step often resolves timestamp issues.

Can I keep my 5.1 surround audio?

Yes — AVCHD's AC-3 audio supports up to 5.1 channels at bitrates from 64 kbit/s to 640 kbit/s (typical broadcast levels are 256–384 kbit/s). The converter passes through your source channel layout when the encoder allows; for guaranteed 5.1, leave the audio codec on AC-3 and don't downmix in the trim options.

What's the maximum bitrate I should target?

For standard AVCHD compatibility, cap at 24 Mbit/s. For PS (progressive) 1080p60 mode supported by newer Sony/Panasonic gear, you can go to 28 Mbit/s. Going higher technically violates the spec — some players ignore it, but standalone Blu-ray decks may stutter or refuse playback. If you need higher bitrates, output to plain H.264 MP4 or MKV instead.

Will the converted file work on a PlayStation or older Blu-ray player?

PS3, PS4, and PS5 all play AVCHD discs and folders directly. Most Blu-ray players from 2009 onward read AVCHD on burned DVD-R or BD-R media. For very old (2007–2008) hardware, check the manual — early AVCHD support was patchy. The conversion itself produces a compliant stream; whether your specific player accepts it depends on its firmware vintage.

Should I use this or compress my AVCHD file first?

These are different tasks. Use this converter to get into AVCHD from a .ts source. If you already have AVCHD and just want a smaller file, run it through the Video Compressor instead. To go the other direction (AVCHD back to a portable container), use AVCHD to MP4. If your source is already .mts from a camcorder rather than a .ts from a broadcast, use MTS to AVCHD — the path is shorter and the encoder defaults are tuned for camera footage.