Resize Video for TikTok
Resize a video to the TikTok 9:16 size (1080×1920).
Drop a video here
or click to choose a file — it never leaves your device.
Resize Video for Instagram
Resize any video to the exact Instagram dimensions — 9:16 Story/Reel (1080×1920), 1:1 square (1080×1080) or 4:5 portrait (1080×1350) — plus 16:9 for YouTube. Fill the frame with a centre crop, or fit the whole video with bars. The crop preview is live. Runs in your browser, nothing uploaded.
More video tools
How the video tools work
Pick a tool
Choose from extract audio, trim, rotate, crop, mute, merge, change speed and GIF to MP4.
Drop your video
Add a video file — it is processed on your device, nothing is uploaded to a server.
Download the result
Set any options, run it, and download your new video or audio. Free, with no watermark or sign-up.
Why ReelForge video tools
100% private
Every file is processed in your browser with WebAssembly — your video never leaves your device.
Completely free
All the tools are free to use, with no sign-up, no file limits and no watermark on the output.
One-command tools
Each tool does one job well — extract audio, trim, rotate, crop, mute, merge, change speed, GIF to MP4.
Works on any device
Runs in any modern browser on desktop or mobile — nothing to install.