OpusCutGet started →AI Auto Subtitles
Auto Subtitle GeneratorAI captions for any video
Paste a YouTube link or upload a video and AI transcribes captions and burns them onto the picture — with karaoke and word-pop styles, custom colors, and SRT export.
Subtitles in three steps
Paste a link or upload
Works with YouTube and Google Drive links, or upload MP4 / MOV / MKV directly (up to 10 GB).
AI auto-transcribes captions
Speech is recognized, split into lines, and timed to each word automatically.
Pick a style, download
Choose karaoke, word-pop and other caption styles, then export the video — or download an SRT file.
Why caption with OpusCut
Word-level timing
Captions land exactly when each word is spoken — the on-voice timing short-form viewers expect.
Viral caption styles
Built-in karaoke and word-pop highlight styles used in short-form video; colors and fonts are yours to set.
Export an SRT file
Beyond the burned-in video, download a .srt text track to reuse or edit in another editor.
Multiple sources
Paste a YouTube or Google Drive link, or upload a local file — no need to download the original.
No install, in the cloud
Everything runs in the browser — no software, no heavy local processing, works on mobile too.
Try before you spend
New accounts get 50 free credits. Billed by video length, pay as you go, no credit card required.
Works with any talking video
Variety shows, podcasts, interviews, livestreams, gaming, tutorials, vlogs, news, lectures and stand-up — if someone is speaking, you get accurate, word-timed captions. Long videos process in one pass.
FAQ
What formats and sources are supported?
Paste a YouTube or Google Drive link, or upload MP4, MOV, MKV and other common formats up to 10 GB.
Can I edit the caption text or style?
Yes — after generating, you can proofread each line, adjust timing, and switch caption styles, colors and fonts in the editor.
Can I download an SRT file?
Yes. Alongside the burned-in video, paid plans let you export a .srt text track to reuse or edit elsewhere.
Do I have to pay?
New accounts get 50 free credits to try. Usage is billed by video length, pay as you go, no credit card required.
Add subtitles to your video now
Get 50 free credits and your first captioned clip in minutes.
Get started free →