Add subtitles to a video

There are two ways to add subtitles: a separate file that players switch on and off, or text drawn into the picture. This page makes both from the same caption list.

Drop a video here

MP4, MOV, WebM, MP3, WAV. Up to 3 minutes free. Stays on your device.

Plan: free. Clips up to 3 minutes, SRT, VTT and TXT unlimited, 1 burned-in MP4 a day with a small mark.

How it works

Drop your video. Press Make captions.
Check the lines against the audio and correct anything wrong.
Download the SRT for YouTube, Vimeo or a player, or press Burn into video for an MP4 with the text in the picture.

Use the SRT or VTT file when the platform supports captions. YouTube, Vimeo, LinkedIn and most video players let viewers switch them on, and the platform can index the words. Upload the file next to your video and you are done.

Burn the captions in when the platform has no caption track or when you want them styled. Instagram, TikTok and Facebook feeds all play muted, so text in the picture is the only kind everybody sees. The burned MP4 is re-encoded in your browser. Count on roughly the clip length for the encode.

Three looks are built in: TikTok bold, clean white and yellow. The preview above the list shows the style on your own video before you commit to the encode.

Questions

SRT or burned in, which one?

SRT when viewers can toggle captions and you want search to read them. Burned in when the platform has no toggle or you want a style.

Does burning in lower quality?

The video is re-encoded once at a quality that looks the same on a phone. The original file is not touched.

Free for short clips. Paid for long ones.

Free

Videos up to 3 minutes. SRT, VTT and TXT without limit. One burned-in MP4 a day with a small mark.

3-video pack

$5 once

Three burned-in videos up to 30 minutes each, no mark. Never renews.

Get the pack

Monthly

$9 / month

Unlimited burned-in videos up to 30 minutes each, no mark. Cancel any time.

Is my video uploaded?: No. The speech model and the video encoder both run inside your browser tab. The only thing that reaches our server is the payment check on paid plans.
What does free include?: Videos up to 3 minutes, unlimited SRT, VTT and TXT, and one burned-in MP4 per day with a small Captionfox mark.
What does the pack cover?: $5 once for 3 burned-in videos of up to 30 minutes each, with no mark. It never renews.
How do I cancel the monthly plan?: In the Stripe receipt email, through the manage subscription link. It stops at the end of the paid month.