Up to 120 seconds. Output is recorded in real time as WebM.
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ONE FILE. MORE POSSIBILITIES.v1.1
Trim video
Up to 120 seconds. Output is recorded in real time as WebM.
How it works
Open a video
Set start and end times
Keep the tab visible while saving WebM
Supported formats
MP4 / WebM / MOV → WebM — Input decoding and output encoding depend on browser support.
What this tool does
Records the selected interval with browser MediaRecorder.
Before you export
At most 120 seconds per export. This is real-time recording, not frame-accurate cutting or lossless remuxing.
Frequently asked questions
Why did export stop when I changed tabs?
Recording stops on hidden tabs to avoid inaccurate output. Keep this tab visible until it finishes.
Are my files uploaded?
FileForge processes selected files on your device and has no file-upload API. Optional engines and models are downloaded from third parties; those requests expose connection information such as your IP address.
Will my work be saved automatically?
No. Files and editing results stay in this tab’s memory. Changing language preserves your work; reloading, closing the tab, or following a link to another page can clear it.