AVIF to M2TS Converter

AVIF to M2TS Converter

.m2ts is not a general-purpose video file — it is the BDAV MPEG-2 Transport Stream, the packetised container Blu-ray Disc and AVCHD camcorders write, and it exists because discs and tapes need a stream that can be entered at any point rather than parsed from the start. Turning an AVIF still into one gives you a silent clip holding a single picture for a duration you choose; an animated AVIF keeps its motion instead. This page explains both formats, what the converter actually writes, and when a loose .m2ts will and will not be accepted by the device you are targeting.

AVIF Format at a Glance

M2TS Format at a Glance

How to Convert AVIF to M2TS

1. Upload Your AVIF File: Drag and drop your .avif onto the page or click "Add Files". Add several at once and set Merge strategy — Merge images (the default) builds one clip, Video per image returns a separate .m2ts per file.
2. Set Image Duration: Image Duration controls how long each still is held, from 1/60 of a second up to 10 seconds per frame, and defaults to 5 seconds per frame.
3. Choose a Background Color and Video Codec: Transparent pixels are composited onto the Background Color, White by default. Video Codec defaults to H.264 and also offers H.265, MPEG-2, MPEG-1, MPEG-4, DivX and Xvid; Quality Preset sits on "Very High (Recommended)".
4. Convert and Download: Click Convert and save the .m2ts. Files upload over an encrypted connection, are processed on our servers, and are deleted automatically after a few hours — no sign-up, no watermark.

What the Converter Produces

• A loose .m2ts file, not a disc image or a BDMV folder structure. Players that index a Blu-ray by its directory layout will not see a bare stream dropped next to it; software players such as VLC and MPC-HC open it directly.
• A silent stream. Neither a still nor an animated AVIF carries audio, so nothing reaches the encoder and no audio track is written. The Audio Codec control has nothing to act on.
• H.264 video by default, which is one of Blu-ray's three mandatory codecs and the only one AVCHD equipment accepts — the safest choice if a hardware device is the destination.
• A flattened picture. Alpha is composited onto the Background Color before scaling, so a transparent AVIF lands on a solid matte rather than losing its colour to the letterbox bars.
• Frames at the source's own timing if the AVIF is animated: the animation track is transcoded and the Image Duration setting is not applied.

For finer size control, File Compression also exposes Constant Quality and Constraint Quality alongside the preset (bitrate and file-size targeting modes don't appear for image sources), and Video resolution offers Keep original, Fixed Resolutions, Preset Resolutions or explicit width and height.

Frequently Asked Questions

What is the difference between .m2ts and .mts?

The stream is the same; the extension marks where it came from. AVCHD camcorders write .mts onto their own media, and the same content is conventionally named .m2ts once it has been imported or authored onto a Blu-ray. Some software only recognises one spelling, which is the only real reason to prefer one. If your target expects the camcorder spelling, use AVIF to MTS instead.

Why does M2TS use 192-byte packets when MPEG-2 TS uses 188?

Because a disc has to be seekable. BDAV prefixes every standard 188-byte transport packet with four extra bytes: a 2-bit copy-permission indicator and a 30-bit arrival timestamp. The timestamp lets a player reconstruct the original stream timing after jumping into the middle of the file, which is what makes chapter seeking and random access work on Blu-ray.

Will the M2TS play on my Blu-ray player?

Only if the player accepts loose files from USB or a data disc, and even then it is not guaranteed. A real Blu-ray expects a BDMV directory structure with playlist and clip-information files, none of which a converter produces. Keeping Video Codec on H.264 and the resolution at a standard size gives you the best chance; for anything you simply want to watch on a computer or phone, AVIF to MP4 is the more sensible target.

Which video codec should I pick?

H.264 for almost every case — it is mandatory on Blu-ray, it is the only codec AVCHD gear accepts, and it is the default here. MPEG-2 is the choice if you are feeding older authoring software that predates AVC. H.265 is available and is what Ultra HD Blu-ray uses, but standard Blu-ray players do not require it, so it is the wrong pick when hardware compatibility is the point.

Why is the video silent?

Because an image file has no sound to carry. Neither a still AVIF nor an animated one contains an audio track, so the audio stage receives nothing and the resulting .m2ts is video-only. This is expected output rather than a failed conversion.

How long will the clip be?

Exactly the Image Duration you select, which defaults to 5 seconds per frame. Choosing a fraction such as 1/30s produces a single-frame clip; choosing 10 seconds holds the picture for ten. When several stills are merged into one video, the duration applies to each frame in turn, so four images at 5 seconds each give a 20-second clip.

What happens to my AVIF's transparency?

It is composited onto the Background Color — White unless you change it — before the picture is scaled and encoded. No video container can store an alpha channel, so flattening is not optional; the only decision is which colour to flatten onto. Pick Black or a matching shade if the white matte looks wrong, or keep the file as an image with AVIF to PNG if the alpha has to survive.

Can I convert an animated AVIF this way?

Yes. Each upload is content-probed for an AV1 image sequence, and when one is present the animation track is transcoded rather than the single still frame the same file also exposes. Every frame is carried over at the source's own timing, and the Image Duration control is bypassed because the source already defines its own.

Are my uploaded files kept or shared?

No. Your AVIF travels over an encrypted connection, is processed on our servers, and is deleted automatically after a few hours along with the .m2ts we produce. There is no sign-up, no watermark, and nothing is shared or made public.