Upload your video file
Choose a platform preset or enter custom dimensions
Click Resize — server processing starts immediately
Download your scaled video
We offer presets for TikTok (9:16), YouTube (16:9), Instagram Square (1:1), Instagram Portrait (4:5), and more.
We use high-quality resampling to maintain sharpness. Upscaling may reduce quality, but downscaling generally preserves it.
Yes. Select Custom Size and enter any width and height between 100 and 4096 pixels. The video will be scaled to fit while maintaining the aspect ratio.
TikTok recommends 1080×1920 pixels (9:16 vertical). Our TikTok preset does this automatically with the correct padding.
When maintaining the aspect ratio, padding (letterbox/pillarbox) is added to fill the target dimensions. This ensures your video fits perfectly without being stretched.
You can resize videos up to 200MB. Free users get 20 operations per day.
Free, fast tools to compress, convert, trim and clean up your videos — no sign-up.