How to add subtitles to a video online

Step by step

1. 1

   Upload the video

   Drag in an MP4 or MOV from your phone or computer. Vertical and horizontal clips both work.

2. 2

   Let it transcribe

   Speech is converted to text automatically, with a start and end time for every single word — in English, Hindi or Hinglish.

3. 3

   Correct the text

   Names, slang and brand words are easy to fix. Edit any word, split long lines, and merge short ones.

4. 4

   Style the subtitles

   Pick from 50+ animated caption templates, or set your own font, size, colour, outline, glow, word spacing and position.

5. 5

   Download the finished video

   Export a 1080×1920 MP4 with subtitles burned in — no watermark, no subscription, ₹29 in India or $3 internationally per export.

Why creators use Captionlabs

• Automatic speech-to-text with editable, word-level timing.
• Subtitles are burned into the video, so they play everywhere.
• English, Hindi and Hinglish in the same clip.
• 50+ animated styles plus cinematic Pro FX options.
• Works in the browser on desktop and mobile — nothing to install.
• Pay per export, not per month.

Frequently asked questions

How do I add subtitles to a video online?

Upload the video to Captionlabs, let it transcribe the speech automatically, correct any words, choose a caption style, then export a 1080×1920 MP4 with the subtitles burned in.

Are the subtitles burned into the video?

Yes — the exported MP4 has the animated captions rendered into the frames, so they show up everywhere without needing a separate subtitle file.

How much does it cost?

Editing is free. Exporting a finished video costs ₹29 in India or $3 internationally ($5 for Pro FX styles). There is no monthly subscription.

What video formats can I upload?

Common formats your browser can play, including MP4 and MOV clips recorded on a phone or camera.

Can I add subtitles in Hindi?

Yes. English, Hindi and mixed Hinglish speech are all transcribed, with Hinglish written in Roman script.