
SRT and WebVTT subtitle file conversion
Up to 3 existing SRT or VTT files, 2,000 cues total, without changing the underlying spoken text
AI-generated illustrationWhat you’re ordering
SRT and WebVTT subtitle file conversion for up to 3 existing srt or vtt files, 2,000 cues total, without changing the underlying spoken text. Upload existing subtitle text files, specify the destination format and identify any permitted timing offset. This converts supplied caption files. It does not transcribe audio or claim synchronization against an unseen video. The delivery includes converted srt or webvtt files, cue and timestamp validation report, unsupported-feature exception list. A supervised Codex console prepares and checks the files; no Composio connection, external account login or automatic publishing is included.
Delivered as ZIP · JSON
- Converted SRT or WebVTT files
- Cue and timestamp validation report
- Unsupported-feature exception list
Included scope
- Timestamp syntax and cue-order validation
- Text and timing preservation checks
- Disclosure of VTT features that cannot be represented in SRT
What we need from you
Prepare these details before checkout. Optional items are marked.
- Request and source details
- Which format do you have, which format do you need, and should the existing timestamps stay unchanged?
- Source files
- Upload existing subtitle text files, specify the destination format and identify any permitted timing offset.
- Expected result and acceptance examples
- Provide this detail in your request.
Use approved files or the secure connection flow. Never include passwords, API keys or access tokens in your brief.
Explore the sample files
Internal evaluation sample. Fictional inputs, no customer work or connected account. Small fixture; maximum package scope is stated on the offer.
How delivery is checked
- The output has valid destination-format timestamps
- Cue counts and text reconcile with the source
- Negative durations and timing overlaps are reported
Compare scope and extras
Compare scope
Choose the right package
Price, timing, and every configurable difference in one view.
Swipe sideways to compare packages
| Package scope | PackageFocused deliveryUp to 3 existing SRT or VTT files, 2,000 cues total, without changing the underlying spoken text$19USD |
|---|---|
| Delivery | about 24 hours |
| Corrections | 1 correction |
| Files delivered | ZIP · JSON |
| Quantity | Fixed package |
| Rush delivery | Not offered |
Optional add-ons
Available extras
No add-ons are listed. The package price covers the scope shown above.
Before you order
Frequently asked questions
Do I need to connect an app or share a password?
No. This service uses the brief, the permitted uploaded files or public information described above. No Composio connection is required.
How is this different from a related service?
This converts supplied caption files. It does not transcribe audio or claim synchronization against an unseen video.
What happens if the source cannot support the requested result?
The delivery reports missing evidence and unsupported cases. Transcription, translation or matching captions to audio is outside this offer; missing facts or access are not invented.
Will file conversion fix captions that are out of sync with the video?
Format conversion preserves the supplied text and timings unless a specific offset is agreed. It cannot establish audio synchronization without reviewing the source media. This offer converts existing subtitle files and reports timestamp or representation problems; transcription and translation are excluded.
What do I need to supply before work can start?
Required inputs: Request and source details; Source files; Expected result and acceptance examples. Use the request form for those inputs. Never include passwords, API keys or access tokens; account access, when needed, must be authorized through a secure connection.
How do the packages differ?
Focused delivery: Up to 3 existing SRT or VTT files, 2,000 cues total, without changing the underlying spoken text; $19, target about 24 hours after payment and complete inputs, 1 included revision. Check the package comparison for quantities and optional extras.
Not included
- Transcription, translation or matching captions to audio
- Video editing or captions burned into video
- Inventing missing speech or timings