Timestamped Transcript Generator

Generate short line-by-line timestamp ranges from audio or video for editing, subtitles and visual planning, with TXT, SRT, VTT, CSV and JSON export.

Private processing

Your files never leave your device.

Processing happens privately in your browser.

What you can do

Create line-by-line time-aligned transcript segments for editing and visual planning.

Best for

Variable-duration creator beats.
TXT, CSV, JSON, SRT and VTT exports.
Tiny/Base/Small models.
Complete the core workflow directly in the browser with no unnecessary account step.

Privacy & processing

This workflow processes your own file or text on this device. AG Creator Tools does not upload private media for this local workflow.

Processing engine: Local Transcription Engine

How to use Timestamped Transcript Generator

Upload audio/video for exact speech timing, or paste an already timestamped transcript.
For media, choose Tiny/Base/Small and language/auto detect.
Generate variable creator beats around natural pauses and sentence boundaries.
Review/export TXT, SRT, VTT, CSV or JSON.

Inputs, outputs and useful limits

Input

A local audio/video file, or an existing transcript that already contains timestamps.

Output

Line-by-line time ranges, typically grouped into short creator/editing beats.

Important limits

Plain text with no timing information cannot be assigned exact timestamps without the matching media.
Beat duration is intentionally variable; natural speech boundaries take priority over fixed-length slicing.

Common questions: Timestamped Transcript Generator

Are these YouTube-style chapters?

No. The tool creates smaller line/visual beats based on the speaker's actual sentence endings and pauses. There is no fixed 1.8–3.6 second cutoff, so a sentence can run longer when that is what the speech requires.

Why are some lines 2 seconds and others 5 seconds?

The grouping follows word timing, sentence punctuation and real pauses. Duration is a soft visual preference, not a hard cutoff, so complete thoughts stay together.

Can I paste an existing YouTube/Instagram transcript?

Yes if it includes usable timestamps. If it is plain untimed text, upload the matching media to create real timing instead of fabricated timing.

Can I use it for a three-hour narration?

Yes. Long media is chunked internally so the final timeline keeps absolute timestamps.