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Fix Subtitle Timing and Drift

Fix subtitle delay or gradual timing drift in SRT, VTT, ASS, or SSA files. Paste your subtitle text, choose a simple offset or two-point resync, and export corrected subtitles.

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Subtitle Converter & Resync — SRT/VTT/ASS
Subtitle Converter & Resync — SRT/VTT/ASSlumaxys/subtitle-converter-and-resync
File
Detected format
Cues
Retiming applied
+4 fields
Text
Number
Boolean
List
Object

Input

Paste your subtitles here — easiest option:1 00:00:02,000 --> 00:00:05,000 Welcome to this subtitle timing example. 2 00:00:15,000 --> 00:00:18,000 This subtitle gradually moves out of sync. 3 00:00:30,000 --> 00:00:34,000 We can correct both delay and timing drift. 4 00:00:55,000 --> 00:00:59,000 The corrected file will stay aligned to the video.
First line — current timestamp:00:00:02,000
First line — correct timestamp:00:00:03,000
Last line — current timestamp:00:00:55,000
Last line — correct timestamp:00:01:00,000

Output fields

File
Detected format
Cues
Retiming applied
Clamped
Dropped
Files written
Error

How it works

Sign up on Apify01

Create your Apify account to access the Subtitle Converter & Resync — SRT/VTT/ASS.

Start the run02

The Actor will start running based on the input automatically.

Receive the output03

Monitor the progress in real-time. You will be notified as soon as your dataset is complete and ready for review.

Integrate into your workflow04

The final output is delivered in JSON, CSV, or Excel format, ready to be plugged into your workflow.

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