SRT/VTT subtitle generator and editor SRT/VTT subtitle generator and editor

Input

Paste SRT/VTT text, load a subtitle file or generate timed cues from plain text.

Load SRT/VTTDrop an SRT/VTT file here or click to choose it.Choose file
Generate subtitles from text

Generate subtitles from text

Paste plain text lines, set duration and gap, then create editable SRT/VTT cues.

Options

Fix subtitle timing drift

Use matching start-to-end spans. Every cue time is multiplied by video duration / original duration, then the shift above is added. A constant delay only needs Apply shift. Scaling changes cue durations too; it cannot fix cuts or nonlinear drift.

Result

Cues
2
Visible
2
Problems
0
Total duration
00:04,200
Format
SRT
Output size
92 chars
#1
00:02,200
#2
00:02,000
#StartEndLengthTextActions
100:02,200
200:02,000

Generate and edit SRT/VTT subtitles online

Create SRT or VTT from plain text: each non-empty line becomes a timed subtitle cue with the duration, start offset and gap you choose.

After generation, edit subtitle cues in a table, search and replace text, shift timings, merge rows and export SRT, VTT or TXT.

Quick start

Edit subtitles and correct constant delay or linear drift.

  1. Paste or load SRT/VTT and parse the cues
  2. Edit text, shift timing or scale matching durations
  3. Fix timing errors and download SRT, VTT or plain text
✓ The tool works in the browser and is suitable for quick content, SEO and editorial checks.
✓ Source text stays in the current session and can be copied, cleaned or exported without a desktop editor.
✓ Use the result panel to review generated tables, Markdown, CSV or formatted text before copying.
✓ Long inputs are easier to edit on tablets and desktops with fullscreen mode enabled.
✓ Generated drafts should be reviewed by a person before publishing or sending to users.
✓ For production workflows, keep the original source text until the final output is checked.

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