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Show HN: YouTube Auto Like – Auto-like videos from whitelisted channels
Backstory: YouTube creators constantly say "don't forget to like" – and I kept forgetting. I wanted a simple way to automatically support channels I follow without thinking about it every time.
What it does:
- Whitelist channels → auto-like their videos
- Blacklist channels → auto-dislike
- Timing options: instant, after X%, or after X seconds
- Optional "humanize" mode adds random delay
Technical notes:
- Manifest V3, minimal permissions (storage + activeTab)
- All data in chrome.storage.sync, nothing leaves your browser
- No analytics, no tracking, no remote calls
- ~500 lines of vanilla JS
Chrome Web Store (no signup needed):
https://chromewebstore.google.com/detail/youtube-auto-like/nlpclmfebmnahbhffafphgnajkbkiaib https://chromewebstore.google.com/detail/youtube-auto-like/n...
This is my first Chrome extension. Open to feedback on the code or UX.