CaptionSwift adds automatic captions to your TikTok videos, free, in your browser, with no signup. Add a clip, get captions in Hinglish (Roman Hindi), English, Spanish, Arabic, Hebrew, Portuguese, French, German or Tamil, fix any mistakes, pick a style, and download a captioned MP4 ready to post.
Plenty of TikTok viewers scroll with the sound off, and burned-in captions keep them watching. TikTok can also add its own automatic captions to videos, with no work from you - but their look stays TikTok's. Burned-in captions keep your styling, are always visible, and you review and fix every word before publishing. The two are not either-or - you can burn captions in for the look and leave TikTok's automatic captions on as well.
TikTok draws its own interface over your video: the like, comment and share buttons down the right side, your username and description along the bottom. Place your captions in the middle band of the frame so they stay readable under those overlays. In CaptionSwift's Style tab you control the caption position, so set it before you export, not after.
1. Open CaptionSwift and add your video.
2. Press "Make auto captions" and choose your audio language - Hinglish, English, Spanish, Arabic, Hebrew, Portuguese, French, German or Tamil.
3. Read every caption and fix mistakes - AI captions can be wrong, especially names.
4. Pick a caption style and position in the Style tab, clear of the bottom and right edge.
5. Press "Make captioned video" in the Export tab, download the MP4, and post it to TikTok.
On Chrome and Edge, CaptionSwift's high-fidelity export makes MP4 with H.264 video and copies the original sound without re-encoding - for typical phone videos that is AAC. Both are formats TikTok accepts. If that path cannot run on your browser or video, the app tells you first and you can choose the standard export (maximum 30 fps, lower detail), which can fall back to WebM on some browsers.
Completely free, no signup. No watermark on the exported video. Manual captions (paste your own SRT) and editing are always free.
Yes. Completely free with no signup: no watermark on the exported video.
It is a tradeoff. Burned-in captions keep your styling and placement, are always visible, and you review and fix every word before publishing. TikTok can also add its own automatic captions to videos, with no work from you. You can use burned-in captions for the look and leave TikTok's automatic captions on too.
Yes. Choose Hinglish audio when making auto captions. Captions come in Devanagari with an approximate Roman (Hinglish) version you can switch to in the editor - export either script. AI captions can be wrong, especially names - always read and fix captions before exporting.
On Chrome and Edge, the high-fidelity export makes MP4 with H.264 video and copies the original sound without re-encoding - for typical phone videos that is AAC. Both are formats TikTok accepts. If that path cannot run on your browser or video, the app tells you first and you can choose the standard export (maximum 30 fps, lower detail), which can fall back to WebM on some browsers.
Your original video stays on your device; only its audio is sent for transcription when you use auto captions. The finished captioned video passes through our server only if you use the expiring download link (deleted after one download or about 10 minutes); choose "Download video on this device" and it never leaves your device. Read the Privacy Policy for details.