F4V to MTS - Online Video Converter

Convert F4V to MTS online. Private, client-side - no uploadrequired. Batch conversion, quality presets, codec control.

Convert F4V to MTS

[+] Drop F4V video here or click to select F4V

Output format

MTS (H.264 / AAC)

No transcoding (remux only)[i]

Mode[i]

Simple Advanced

Quality[i]

Resolution[i]

About F4V to MTS

Convert F4V to MTS. F4V is Flash's MP4-based successor limited to H.264 video and AAC audio. MTS is the AVCHD camcorder wrapper for H.264 on flash media. Spanned clips split at 4 GB; join them before converting..

Why convert F4V to MTS?

Smaller files with MTS lossy compression.
Keep animation and transparency where supported.
Private, no upload - runs in your browser.

F4V vs MTS

Animation	Yes	Yes
Transparency	No	No
Compression	lossy	lossy
Typical use	F4V is Flash's MP4-based successor limited to H.264 video and AAC audio.	MTS is the AVCHD camcorder wrapper for H.264 on flash media.

When not to convert F4V to MTS

Skip MTS for archival masters: lossy compression discards detail, so keep the F4V original.
Keep a master copy: repeated exports stack small losses, so archive F4V before batch MTS shares.

Limits

Starting point: F4V - F4V is Flash's MP4-based successor limited to H.264 video and AAC audio. Seek indexes can be sparse, so verify duration after conversion. Spanned clips split at 4 GB; join them before converting. Encode MTS (H.264 / AAC) from F4V at a bitrate near the source, and confirm the audio track before converting.

How conversion works

Conversion runs entirely in your browser with FFmpeg WASM. Files never leave your device.

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FAQ

How do I convert F4V to MTS?

Drop your F4V file onto this page, choose quality and codec settings, then click Convert. The result downloads as MTS instantly. All processing runs in your browser.

What codec is used for MTS?

The default codec for MTS is H.264 / AAC. You can change the video and audio codec in Advanced mode.

How do you store my files?

We do not store any processed videos. All conversion happens entirely in your browser using FFmpeg WASM.