YouTube Caption Checker
PulseGate's liveness check found it on 18 Sep 2026; it is registered on Firefox Add-ons and has been in the index since 18 Sep 2026. How this is checked
YouTube Caption Checker is an open-source browser extension that marks YouTube thumbnails with CC tags when captions are available in a selected language. It helps subtitle-dependent viewers identify suitable videos while browsing YouTube.
Inferred · not functionally tested
Overview
5 featuresPurpose: Finding YouTube videos that have subtitles available in the viewer's preferred language.
Inferred · not functionally tested
Audience: YouTube viewers who rely on subtitles
Inferred · not functionally tested
Functions: Unknown
Interfaces: API: unknown · MCP: unknown · CLI: indicated (inferred, not tested) · Self-hosting: unknown
Recorded constraints: pricing: open_source · license: Open Source · platforms: WEB, CLI · deployment: browser, cli, embeddable
Constraint provenance is unknown; confirm requirements with the publisher.
Record sources: github.com · addons.mozilla.org. These links do not verify the individual claims.
YouTube Caption Checker sits in PulseGate's Browser DevTools & extensions category. Inferred · not functionally tested: It focuses on finding YouTube videos that have subtitles available in the viewer's preferred language. Inferred · not functionally tested: YouTube Caption Checker is an open-source project aimed at youTube viewers who rely on subtitles. Basis unknown · not verified: The project is open source (Open Source). Basis unknown · not verified: It ships for the web, the command line, and embeddable surfaces.
2jun0 builds and maintains YouTube Caption Checker, and it first shipped in 2021. Inferred · not functionally tested: Among its 5 catalogued features are CC thumbnail tags, language filtering, and caption detection.
Summary written by a language model from the project’s public pages.
Tasks: Inferred · not functionally tested
- CC thumbnail tags
- Language filtering
- Caption detection
- YouTube integration
- Browser extension
Topics: Inferred · not functionally tested
Built with & integrations
Trust & compliance
Indexing history
1What PulseGate has recorded for this listing
- Indexed18 Sep · 02:21 UTCYouTube subtitle filter seen via Firefox Add-onsSource: Firefox Add-ons · Open
Frequently asked questions about YouTube Caption Checker
- What is YouTube Caption Checker?
- Inferred · not functionally tested: YouTube Caption Checker focuses on finding YouTube videos that have subtitles available in the viewer's preferred language. It is catalogued under Browser DevTools & extensions on PulseGate.
- Who should use YouTube Caption Checker?
- Inferred · not functionally tested: YouTube Caption Checker is an open-source project built for youTube viewers who rely on subtitles.
- Does YouTube Caption Checker have a free plan?
- Basis unknown · not verified: Yes — YouTube Caption Checker is open source under the Open Source license and free to use.
- What platforms does YouTube Caption Checker run on?
- Basis unknown · not verified: YouTube Caption Checker runs on the web, the command line, and embeddable surfaces.
- Is YouTube Caption Checker still active?
- PulseGate's liveness check found it on 18 Sep 2026.
- What are alternatives to YouTube Caption Checker?
- Similar projects tracked by PulseGate include Captionfy, YouTube™ Dual Caption, and Better YouTube Subtitles.CaptionfyYouTube™ Dual CaptionBetter YouTube Subtitles
- Who develops YouTube Caption Checker?
- YouTube Caption Checker is developed by 2jun0.
- When did YouTube Caption Checker launch?
- YouTube Caption Checker first shipped in 2021.
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