{"uid":"cap_oVzpEN6AWoFViKNGL3yX5","slug":"webvtt-to-subrip-vtt-to-srt-converter-a765d545","name":"WebVTT to SubRip (VTT to SRT) Converter","description":"WebVTT to SubRip. POST a .vtt file; the response is an .srt file. Cues are renumbered from 1 and hour-less timestamps are expanded to hh:mm:ss,mmm. The WEBVTT header, NOTE/STYLE/REGION blocks and per-cue settings are dropped, because SubRip cannot express them. Input that does not begin with WEBVTT is refused.","url":"https://toolshed.lemon-agent.dev/convert/vtt-srt","method":"POST","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method","bodyType","body"],"properties":{"body":{"type":"string","maxLength":262144,"description":"the raw WebVTT file as the request body, up to 256 KB"},"type":{"type":"string","const":"http"},"method":{"type":"string","const":"POST"},"bodyType":{"type":"string","const":"text"}},"additionalProperties":false},"output":{"type":"object","required":["type","format"],"properties":{"type":{"type":"string","const":"text"},"format":{"type":"string","const":"application/x-subrip","description":"the converted SubRip file as the response body (application/x-subrip)"},"example":{"type":"string","description":"the sample request body above, converted — what a the converted SubRip file as the response body (application/x-subrip) looks like"}},"additionalProperties":false}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.002","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.002/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_sxS7vWtHKREeyguLVdn7-","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.002","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Converts a WebVTT (.vtt) subtitle file to SubRip (.srt) format, renumbering cues from 1 and expanding timestamps to hh:mm:ss,mmm while stripping unsupported blocks.","exampleAgentPrompt":"Convert this WebVTT subtitle file to SRT format for me — here's the raw .vtt content, and I need it back as a properly numbered .srt file with full hh:mm:ss,mmm timestamps.","exampleUseCases":[{"title":"Video player subtitle compatibility fix","prompt":"I have a .vtt caption file from a web video but my media player only accepts .srt — can you convert it to SubRip format for me? Here's the full WebVTT content."},{"title":"Editing suite subtitle import","prompt":"My video editing software doesn't support WebVTT, only SubRip. Please convert this .vtt file I have into a proper .srt so I can import it into my timeline."},{"title":"Localization pipeline subtitle normalization","prompt":"We're preparing subtitles for distribution and the downstream system requires SRT files. Convert this WebVTT subtitle file to SubRip — make sure cues are renumbered from 1 and timestamps use the full hh:mm:ss,mmm format."}],"resultDescription":"A plain-text SubRip (.srt) file where cues are sequentially renumbered starting from 1, timestamps are fully expanded to hh:mm:ss,mmm format, and all VTT-specific constructs (WEBVTT header, NOTE/STYLE/REGION blocks, per-cue settings) are removed. Returned as application/x-subrip content.","failureModes":["Input does not begin with 'WEBVTT' — request is refused with an error","Input exceeds 256 KB — rejected due to size limit","Malformed VTT cue timestamps — may produce garbled or missing cues in output","Empty VTT file with no cues — returns empty or minimal SRT","Non-text body submitted — rejected as invalid input type"],"whenToPreferThis":"Use this endpoint when you need a straightforward, standards-compliant VTT-to-SRT conversion without any manual parsing. It handles timestamp expansion, cue renumbering, and stripping of VTT-only metadata automatically. Ideal for pipelines where downstream tools (video editors, media players, distribution platforms) require SubRip format. Prefer this over manual regex-based conversion or general-purpose text processors since it correctly handles edge cases like hour-less timestamps and multi-line cues.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T18:44:31.090Z","isFirstParty":false}