Convert M2TS to WebM on Mac.

Local file processing, by renaming the file in Finder. No converter window and no upload queue.

Finder rename

report.m2tsreport.webm

How the rename works

  1. 1

    Start with report.m2ts

    Put the M2TS file in a folder RenameTo watches, such as Desktop or Downloads.

  2. 2

    Rename it to report.webm

    In Finder, change .m2ts to .webm, then press Return. The rename is the command.

  3. 3

    Find the WebM beside it

    RenameTo produces the requested output and keeps a restorable backup of the original.

What happens under the hood

RenameTo reads the M2TS with the appropriate local macOS media or document framework, then writes a new WebM beside it. The file itself is not sent to a conversion server.

About the formats

M2TS is a transport stream used by AVCHD camcorders. WebM is an open video format designed for the web.

Questions, answered

Does my file get uploaded anywhere?

No. File processing happens on your Mac. RenameTo does use the network for license validation, trial activation, and update checks, but your source files are not part of those requests.

What happens to the original M2TS file?

RenameTo keeps a backup before processing. Undo restores the original alongside a format-changing output and does not delete that output. If the original name is already occupied, the restored copy gets “(restored)” in its name.

Can I convert a whole folder?

Yes. Rename multiple selected files in Finder and RenameTo queues each supported conversion, with a separate result and backup for every file.

Can I run the same conversion from a script?

Yes. The CLI command is: renameto webm *.m2ts

Related conversions

Convert M2TS to 3GP

report.m2ts → report.3gp

Convert M2TS to AAC

report.m2ts → report.aac

Convert M2TS to AC3

report.m2ts → report.ac3

Convert M2TS to AIFF

report.m2ts → report.aiff

Convert 3GP to WebM

report.3gp → report.webm

Convert AVI to WebM

report.avi → report.webm

Convert FLV to WebM

report.flv → report.webm

Convert M4V to WebM

report.m4v → report.webm

Looking for another format? Browse every conversion.