HelperCrate

Video to MP4

Convert any video to MP4 (H.264). Downloads ~30 MB engine on first run.

Runs in your browser. Some processing engines (e.g. ffmpeg.wasm) download on first use — your files never leave this device.

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Video Trimmer

Cut any clip down to just the part you want — no upload, no watermark.

Video Compressor

Shrink video files up to 80% by re-encoding at a lower bitrate and resolution.

Video Speed Changer

Speed up or slow down a video, keeping the pitch of the audio intact.

Video Rotator

Rotate or flip a video 90°, 180° or 270° — great for fixing sideways phone clips.