MP4 to VTT
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Step 1: Submit the MP4 subtitle you want to convert to VTT to the upload box at the left.
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Step 2: Wait a moment until the conversion from MP4 to VTT is complete. The process starts automatically.
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Step 3: Once done, a download button will show up. Click it to get the result.
You can upload up to 20 subtitles simultaneously.
Measured on our servers
What to expect when converting MP4 to VTT
Real numbers from every conversion on this tool since 24 October 2026. Nothing here is estimated: we record how long each job took and how large the files were. File names and contents are never stored.
60 s
Typical processing time
for a 142 MB file (median)
63
Conversions
since 24 October 2026
2.29 GB
Largest file converted
since 24 October 2026
Expected time by file size
How long conversions take
share of all conversions
- under 1 s0%
- 1–10 s6%
- 10–60 s44%
- 1–5 min41%
- over 5 min8%
Times are server processing only, measured after the upload finished; upload and download are not included. Large files take longer, but the limit is the same for everyone: no account, no queue priority to buy. Updated 2026-11-07
