# Cuelio Cuelio helps you search YouTube transcripts and comments, ask AI questions about videos, and jump to exact moments without watching everything. ## Product summary Cuelio is a browser extension for YouTube video and comment search, available for Chrome, Firefox, and Safari. It runs alongside an open YouTube tab and helps users search the transcript, ask cuelioAI questions, and inspect viewer reactions without leaving the video. Core value: search the active video's transcript, jump to exact timestamps, ask transcript-grounded cuelioAI questions, search comments, copy timestamped citations, save useful videos, and export transcript snippets. Tagline: "Search inside YouTube videos and comments." Version: 0.1.0. Browser: Google Chrome and Chromium-based browsers, Firefox, and Safari. Category: Productivity / BrowserApplication. ## Privacy and data model - The core workflow is local-first by default. Transcript search, comment search, timestamp jumps, and saved videos all run in-browser with no external calls. - cuelioAI features are explicit user actions only — transcript text is never sent to an AI provider automatically or in the background. - No account or sign-in is required to use the core features. - Settings, cached transcript state, saved videos, and history are stored in chrome.storage.local (10 MB quota). - The extension does not collect analytics or telemetry. ## Core features - Transcript search: Search a YouTube transcript by keyword, phrase, quote, or topic and see context around each match. - Ask cuelioAI: Ask questions about the current video and keep answers tied to transcript evidence and supporting timestamps. - Comment search: Search YouTube comments for questions, complaints, recommendations, and product mentions without scrolling forever. - Exact moment jumps: Every useful match keeps the video time visible so you can open the right second immediately. - Caption tracks: Switch manual captions, auto captions, or translated tracks when YouTube exposes them. - Quotes, saves, and notes: Copy useful lines, save videos worth revisiting, and move transcript snippets into your own workflow. ## Intended audiences - Students: Review lectures, find definitions, and jump back to the explanation that matters. - Developers: Search long coding tutorials, demos, and conference talks for the exact command, tool, or implementation detail. - Researchers: Extract claims, facts, quotes, and evidence from interviews, talks, demos, and podcasts. - Creators and marketers: Search comments, spot viewer reactions, and turn long videos into reusable research and content ideas. - Product teams: Turn videos and comments into product research, objections, feature requests, and audience language. ## Localized home pages - English: https://www.cuelio.app/en - Ukrainian: https://www.cuelio.app/uk - Spanish: https://www.cuelio.app/es - German: https://www.cuelio.app/de - French: https://www.cuelio.app/fr - Portuguese: https://www.cuelio.app/pt - Italian: https://www.cuelio.app/it - Polish: https://www.cuelio.app/pl - Dutch: https://www.cuelio.app/nl - Japanese: https://www.cuelio.app/ja - Korean: https://www.cuelio.app/ko ## Primary English pages - https://www.cuelio.app/en - https://www.cuelio.app/en/privacy - https://www.cuelio.app/en/support - https://www.cuelio.app/en/terms ## English use-case pages - https://www.cuelio.app/en/youtube-transcript-search - https://www.cuelio.app/en/youtube-comment-search - https://www.cuelio.app/en/youtube-transcript-summarizer - https://www.cuelio.app/en/youtube-timestamp-finder - https://www.cuelio.app/en/youtube-transcript-ai ## Support and legal - Support: https://www.cuelio.app/en/support - Privacy policy: https://www.cuelio.app/en/privacy - Terms of service: https://www.cuelio.app/en/terms ## Developer Developed by Andrii Petlovanyi: https://www.pean.dev