Step 1
Upload your file
Choose an audio or video file.
How it works
Step 2
Pick your caption look
Pick a look. Change the font, colors, size, and screen spot.
Step 3
Check a preview
See real captions on a short sample of your video.
Step 4
Get the full video
Get the whole video. It is free.
Questions
What is Best AI Captions?+
Best AI Captions (best-ai-captions.com) is a free online tool that adds captions or subtitles to your video, or turns the speech in a video or recording into text and subtitle files. There is no account to make.
Do I need an account or monthly plan?+
No. There is no account and no monthly plan.
Does it make subtitles too?+
Yes. Captions and subtitles are made the same way here: from the speech in your video, timed line by line, and burned onto the video.
Can I get an SRT subtitle file?+
Yes. Choose Transcribe after you upload to download SRT and VTT subtitle files, plus TXT and Word.
Can I see the captions first?+
Yes. We make a short preview first so you can check the captions. The full video is free.
Is there a watermark?+
No. Neither the preview nor the full video has a watermark.
Which caption looks can I pick?+
Pick Viral, Native, Clean, or Punchy. You can also make your own look.
What can I change?+
Change the font, text color, highlight, border, background box, size, and screen spot.
Will the captions stay on my video?+
Yes. The captions stay on the video when you share it.
Which videos work best?+
Use a video with clear speech. Social clips, lessons, demos, and talking videos work well.
Can I use it for social media?+
Yes. Use it for TikTok, Reels, Shorts, and other videos.