Subtitle Editor and SRT VTT Creator
Edit SRT/VTT or write captions manually. Adjust start/end times, shift all timings and optionally preview over a local video. Download SRT or VTT; automatic speech recognition is not included. Select your video above and prepare the captions. Choose colour, size and position, then download MP4 with the text rendered into the video. Use it on Reels, TikTok or Facebook without a separate subtitle file.
Step by step
- Import captions or add a new row.
- Start (s) / End (s) → Caption text
- Create preview
- Download SRT / Download VTT
- Create subtitled MP4
Example scenario
00:00:01,000 → 00:00:03,000. Edit SRT/VTT or write captions manually. Adjust start/end times, shift all timings and optionally preview over a local video. Download SRT or VTT; automatic speech recognition is not included.
Check your result
UTF-8 SRT/VTT: up to 512 KB and 500 captions; 1–1000 characters each. Times must be within 0–24 hours. Imported formatting tags, VTT styles and positioning are not retained. Optional preview video is limited to 200 MB. SRT/VTT editing and preview stay on your device. Only pressing “Create subtitled MP4” sends the selected video, caption text and style options to the server. The download link expires about 60 minutes after upload; scheduled cleanup removes files. Preview is approximate; the server uses DejaVu Sans. Text becomes part of the video and cannot be switched off. Check framing and captions before sharing. MP4 rendering limits: one video, 20 MB / 120 seconds; 1–200 captions, each up to 200 characters and 3 lines, at least 0.1 seconds. Times must be ordered and within the video. Formatting codes are unsupported; do not use backslashes or braces. Output is at most 1280 pixels on the long side, 720 on the short side, at 30 fps; smaller video is not enlarged, audio is re-encoded to AAC if present.
Frequently asked questions
Is my file uploaded?
SRT/VTT editing and preview stay on your device. Only pressing “Create subtitled MP4” sends the selected video, caption text and style options to the server. The download link expires about 60 minutes after upload; scheduled cleanup removes files.
Does it publish automatically?
SRT/VTT editing and preview stay on your device. Only pressing “Create subtitled MP4” sends the selected video, caption text and style options to the server. The download link expires about 60 minutes after upload; scheduled cleanup removes files. Preview is approximate; the server uses DejaVu Sans. Text becomes part of the video and cannot be switched off. Check framing and captions before sharing.
Where can you use this on social media?
Edit SRT/VTT or write captions manually. Adjust start/end times, shift all timings and optionally preview over a local video. Download SRT or VTT; automatic speech recognition is not included. Select your video above and prepare the captions. Choose colour, size and position, then download MP4 with the text rendered into the video. Use it on Reels, TikTok or Facebook without a separate subtitle file. SRT/VTT editing and preview stay on your device. Only pressing “Create subtitled MP4” sends the selected video, caption text and style options to the server. The download link expires about 60 minutes after upload; scheduled cleanup removes files. Preview is approximate; the server uses DejaVu Sans. Text becomes part of the video and cannot be switched off. Check framing and captions before sharing.
Sources checked:Official platform guidance