Time-aligned transcription
Speech is converted into caption segments with timestamps ready for review and playback.
AI subtitle generator
Turn speech into subtitles you can actually edit.
Upload a video, generate time-aligned captions, correct every line in a focused editor, and export the result without rebuilding your workflow.
30 free minutes monthly · No credit card · 99+ languages
A real subtitle editor
Edit wording, split long captions, merge short lines, and preview changes against the video.
Flexible delivery
Download an SRT file or render subtitles directly into a share-ready video.
Workflow
From video to finished subtitles in three steps.
Upload your video
Choose a video or audio file up to 500 MB from your device.
Review the transcript
Follow each caption with synchronized playback and make precise corrections.
Export for your channel
Download subtitles for your editor or create a video with burned-in captions.
Common questions
Everything you need to get started.
Can I edit automatically generated subtitles?
Yes. Every caption can be edited, split, or merged before export.
Which subtitle format can I download?
SubFlow AI exports standard SRT subtitle files and can also render captions into video.
Do I need a credit card to try it?
No. New accounts receive 30 free processing minutes each month.
Can I generate translated subtitles too?
Yes. Choose a target language when creating the project to generate bilingual or translated subtitles.