Subtitle Kit

Browser-only SRT tools—shift timing, no upload

2 followers

Browser-only SRT tools—shift timing, no upload

2 followers

Free subtitle utilities for video editors and translators: shift all SRT cues by milliseconds, export plain text for translation, check caption line length for vertical video, and estimate read time. Everything runs in your browser—paste or open asrt file on your device. Subtitle content is not uploaded to our servers for processing. No account required. Built on Cloudflare Pages. Guides: https://subtitle-kit.pages.dev/guides/

Free

Launch tags:Design Tools•Productivity•Video

Launch Team

Atlassian LoomTalk it through in Loom. Ship with AI

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Maker

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I built Subtitle Kit after dubbing exports left every subtitle line 300–600 ms late—and I didn’t want to upload client SRT files to random “free converter” sites. Subtitle Kit runs entirely in your browser on Cloudflare Pages: shift all SRT cues by ms or seconds, export plain text for translators, check caption line length for vertical video, and estimate read time. Paste or open a .srt on your device—nothing is sent to our servers for processing. No account. Try the SRT shift tool: https://subtitle-kit.pages.dev/t... Workflow guides: https://subtitle-kit.pages.dev/g... I’d love feedback from editors and translators. VTT shift is next on my list—what would you use most?

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2mo ago

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