Identify the Spoken Content
The video or audio provides the dialogue, speaker changes, pauses, names, and terms that need transcription.
AI Subtitle Generator
Turn spoken video or audio into timed subtitles that viewers can read as the speech plays. The Pexo AI video agent transcribes the recording, organizes readable caption breaks, aligns timing, and keeps your edits in the same subtitle task.
Spoken media
Upload Video or Audio for Subtitles
Add the recording whose speech should become timed subtitle text.
The Pexo agent uses the recording plus the spoken language and any names or terms you provide as context for one subtitle task.
Speech to timed text
Turn Spoken Content into Timed Subtitles
An AI Subtitle Generator identifies speech in a video or audio recording and converts it into subtitle text aligned with the media timeline.
The Agent also organizes line breaks and timing for readability while keeping the recording available as the source for review.
Divide Speech into Readable Captions
The Agent organizes the transcript into subtitle segments and places them along the recording timeline.
Keep Edits in the Same Task
Edits to wording, timing, names, or line breaks remain part of the same subtitle task.
How it works
Generate Subtitles in 3 Steps
Upload the recording, provide the spoken language, names, and technical terms, then review the subtitle text and timing against the source.
Upload the Recording
Choose the video or audio containing the speech you want to subtitle.
Add Language and Term Context
Identify the spoken language and provide names, brands, acronyms, or specialist terms that require attention.
Review Text and Timing
Correct wording, punctuation, speaker changes, line breaks, and timing while checking the subtitles against the recording.
Agent decisions
Decisions Behind Clear Subtitles
The Agent connects speech recognition, subtitle timing, readable text breaks, and review context around the uploaded recording.
Speech Transcription
Converts spoken words into editable subtitle text while preserving the source recording for comparison.
Timing Alignment
Places subtitle segments where the corresponding speech occurs in the video or audio.
Readable Line Breaks
Organizes caption length and sentence breaks so the text is easier to follow on screen.
Terminology Review
Uses provided names and specialist terms to support focused corrections before delivery.
Common questions
AI Subtitle Generator FAQ
Can I generate subtitles from video or audio?
Yes. Upload the recording that contains the speech, then identify the spoken language and any terms that need special attention.
Can I correct the generated subtitle text?
Yes. Review the transcript against the recording and revise names, wording, punctuation, or speaker labels that need correction.
How does the Agent decide subtitle timing?
It follows the speech and pauses in the source recording, then places readable subtitle segments along the timeline for review.
Can I provide names or technical terms before transcription?
Yes. Add people, brands, acronyms, and technical terms that should be checked carefully in the subtitles.
What should I verify before using AI-generated subtitles?
Check every line against the recording, especially names, numbers, quotations, terminology, punctuation, speaker changes, and timing.
Start with the recording
Generate Subtitles with Pexo
Upload the video or audio and give the Pexo AI video agent the spoken language, names, and technical terms needed for review.