Add black or colored bars so a video fits any aspect ratio without cropping anything. Choose bar color and position, then download in seconds.
Free tier: 3 videos a day without an account, 20 with one, up to 100MB each.
How It Works
Drop an MP4, MOV, WebM or MKV file up to 100MB.
Pick the settings for this tool, or keep the defaults.
Processing takes seconds on a short clip. Download the result — no watermark.
The Add Black Bars to Video is a free online tool from ShortsHero: fit any ratio without cropping. The video is processed on ShortsHero's servers in seconds for a short clip, with no watermark. Free: 3 videos a day without an account, 20 with one, up to 100 MB each.
Fit any ratio without cropping.
Why Use This Tool
One processing pass on our servers — no queue behind other people's renders.
The file you download is the file, clean.
Upload from the camera roll and download straight back to it.
H.264 MP4 that plays everywhere, unless you chose another format.
Yes — no account, no watermark. Without an account you can process 3 videos a day up to 100MB each; a free account raises that to 20.
The video is re-encoded once at a high-quality setting (H.264, CRF 23), which is visually lossless at social-media sizes. Nothing is upscaled.
No. Upload, process and download without signing up. With a free account, video results are also saved to a Tools project in your dashboard.
ShortsHero turns long videos into short vertical clips with AI moment detection, face tracking and animated captions — and has free tools for subtitles, transcripts and video formats.
The same transcription powers ShortsHero's clip maker: it finds the strongest moments, reframes them to vertical and adds word-by-word captions in 36 styles.
Try the clip maker freeFree to start · No credit card required
Keep Going
Give any clip the movie look with cinematic bars. Pick 2.39:1, 2:1 or 1.85:1, adjust the bar size, and export without losing the original resolution.
Change a video's resolution online. Pick 4K, 1080p, 720p, 480p or custom pixels, keep the aspect ratio locked, and download a smaller or sharper file.
Convert 4K video to 1080p online. Files get much smaller and upload faster while keeping a sharp picture for YouTube, Shorts and social posts.
Convert 1080p video to 720p to cut file size for email, WhatsApp, Discord and slow connections. Keeps the aspect ratio and audio exactly as they were.
Resize a video for Facebook in one click. We set the right size (1:1, 4:5 or 9:16), fill the edges with blur or color, and keep faces in frame. Free to try.
Resize a video for X (Twitter) in one click. We set the right size (16:9 or 1:1), fill the edges with blur or color, and keep faces in frame. Free to try.