co-reader
Paragraph-level reading companion with summaries, highlights, and cross-references
As of June 2026, co-reader has 2 users in the Communication category.
Usersno change0%
2
2
Ratingno change0%
—
— reviews
Reviewsno change0%
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Version
1.0.0
Manifest V3
90-day change · In the last 90 days this extension 1 version update, changed permissions.
History
4 snapshotsTracking since Apr 14, 2026.
View as table
| Date | Users | Rating | Reviews | Version |
|---|---|---|---|---|
| Apr 14, 2026 | — | — | — | 0.2.0 |
| Apr 22, 2026 | — | — | — | 0.2.0 |
| Apr 26, 2026 | 2 | — | — | 1.0.0 |
| May 9, 2026 | 3 | — | — | 1.0.0 |
| Now | 2 | — | — | 1.0.0 |
Changelog
- Apr 22, 2026host_permissions
https://api.anthropic.com/*, https://api.openai.com/*, https://generativelanguage.googleapis.com/*, https://openrouter.ai/*
https://api.anthropic.com/*, https://api.openai.com/*, https://generativelanguage.googleapis.com/*, https://openrouter.ai/*, https://huggingface.co/*, https://cdn.jsdelivr.net/*
- Apr 22, 2026permissions
storage, sidePanel, tabs, activeTab
storage, sidePanel, tabs, activeTab, offscreen
Permissions & access
- Permissions
- storagesidePaneltabsactiveTaboffscreen
- Host access
- https://api.anthropic.com/*, https://api.openai.com/*, https://generativelanguage.googleapis.com/*, https://openrouter.ai/*, https://huggingface.co/*, https://cdn.jsdelivr.net/*
Screenshots
About
co-reader — your paragraph-level reading companion Stop skimming. Start understanding. co-reader analyzes any article and gives you a synchronized reading guide in a side panel — one-sentence summaries for every paragraph, key phrase highlights, and cross-references between related sections. HOW IT WORKS 1. Open any article and click the co-reader icon 2. Click "Start" to analyze the page 3. Summaries appear in the side panel as chunks are processed 4. Click a summary to jump to that paragraph — key phrases light up automatically 5. Click a paragraph in the article to sync the panel back 6. Cross-reference links connect related paragraphs FEATURES • One-sentence summaries for every paragraph • Key phrase highlighting directly on the article • Cross-references between related paragraphs • Synchronized scrolling — article and panel stay in sync • Chunked processing with live progress bar • Works on any article, blog post, or long-form content BRING YOUR OWN KEY co-reader has no backend. Your API key stays in your browser. Choose your LLM: • Anthropic (Claude) • OpenAI (GPT-4o, GPT-4.1) • Google Gemini • OpenRouter (access to 100+ models) • Chrome Built-in AI / Gemini Nano (free, on-device, beta) PRIVACY Only paragraph text is sent to your chosen LLM provider. No URLs, no personal data, no tracking, no analytics. Your API key is stored locally and never leaves your browser. OPEN SOURCE co-reader is open source: https://github.com/msanvido/co-reader
Technical
- Version
- 1.0.0
- Manifest
- V3
- Size
- 11.19MiB
- Min Chrome
- 116
- Languages
- 1
- Featured
- No
Metadata
- ID
- eikmfiiionefgmcjdojpimiklheldhdp
- Developer ID
- uf351fae0432a8c82a2d3f06b87f4cde0
- Developer Email
- [email protected]
- Created
- Apr 13, 2026
- Last Updated (Store)
- Apr 17, 2026
- Last Scraped
- Jun 9, 2026
- Website
- —
- Support URL
- https://github.com/msanvido/co-reader
- Privacy Policy
- —
Data sourced from the Chrome Web Store · last verified Jun 9, 2026.