How to Resize a GIF Online (Without Losing the Animation)
Resize an animated GIF to a smaller dimension or file size without flattening it to a single frame. Free, browser-based, no software or upload required.
TikTok's exact aspect ratio, resolution, duration, and file-size limits — plus a free tool to crop your video to fit, right in your browser.
Drop a video here, or click to browse
MP4, MOV, WebM, MKV, or AVI — up to 2GB
Source: Sprout Social video-specs guide, checked 2026-08-14. Platforms change upload limits without notice — verify against the specific behavior you're seeing if something looks off.
Click one button to crop any video to TikTok's 1080×1920 vertical frame.
See at a glance whether your clip is under TikTok's 10-minute upload limit.
Bring a clip under TikTok's 72–287MB cap without leaving the page.
Video is cropped and compressed entirely in your browser — nothing is sent to a server.
Crop and export from your phone's browser just as easily as a desktop.
Download in the H.264 MP4 format TikTok expects, ready to post.
Drop any MP4, MOV, or WebM clip onto the cropper — no account or sign-in required.
Click the 9:16 aspect ratio preset and drag to frame the part of the shot you want to keep for TikTok's vertical feed.
Export as MP4 at 1080×1920. If the file is still over TikTok's file-size cap or the clip runs past 10 minutes, use Compress Video or Trim Video first.
Whether you manage TikTok content professionally or post the occasional clip — PixelTools crops your video to spec entirely in your browser, with no upload and no account.
TikTok's Android file-size limit (72MB) is far tighter than Instagram's 4GB, so a clip that uploads fine to Reels can bounce off TikTok. Compressing before upload is often the actual blocker here, not the crop.
Footage shot in 16:9 for YouTube gets pillarboxed with side bars when posted to TikTok as-is. Cropping to 9:16 first fills the whole vertical frame instead of leaving black bars either side.
A webinar recording or long tutorial exceeds TikTok's 10-minute cap by default. Trimming to the relevant segment gets it under the limit without re-editing in a full video editor.
9:16, the standard vertical video frame. TikTok also accepts 1:1 (square) and 16:9 (landscape) uploads, but it displays and recommends 9:16 — anything else gets pillarboxed with bars on the sides.
1080×1920 pixels. That matches the 9:16 frame TikTok's feed displays at full-screen, so nothing gets upscaled or letterboxed.
Up to 10 minutes when uploaded from your camera roll. Recording directly in the TikTok app instead caps you at 3 minutes per clip.
287.6MB on iOS, 72MB on Android — a noticeably tighter limit than Instagram's 4GB, and one a longer or higher-bitrate clip can hit quickly, especially on Android.
MP4 or MOV, H.264 video with AAC audio — the default export from almost every phone camera and editing app.
Yes. A landscape upload gets pillarboxed or cropped to fit the vertical feed depending on the player, which can cut off or shrink the subject. Cropping to 9:16 yourself keeps the framing under your control.
Resize an animated GIF to a smaller dimension or file size without flattening it to a single frame. Free, browser-based, no software or upload required.
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