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Read without clutter, save exact quotes with source context, and export your local quote library as clean Markdown.

Website, pricing, platforms and company facts side by side.
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| Website | opalstack.com | getfocusreader.com |
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| Company | — | Startup from Romania |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of Opalstack yet.
FocusReader is a local-first Chrome extension for distraction-free reading and source-backed quote saving. Open an article in a clean reader view, save exact passages with the page title, source URL, domain, timestamp, and an optional category, then export the full library as Markdown. Quotes and...
What each product offers, as listed by its team.


Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
No analysis of FocusReader for Chrome yet.
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing Opalstack and FocusReader for Chrome.
FocusReader for Chrome's answer:
FocusReader combines two steps that are often split across separate tools: a distraction-free reader and exact quote capture with source context. You can open an article in a clean reader, save a selected passage with the page title, source URL, domain, timestamp, and an optional category, then export the local library as Markdown. Saved quotes and article content stay on the device; only a signed PRO license is sent to the license service for validation. The free tier includes 10 saved quotes, and PRO is a one-time $9.99 unlock for unlimited local saves.
FocusReader for Chrome's answer:
FocusReader is primarily for researchers, writers, students, knowledge workers, and PKM or Obsidian users who read long web articles and need to keep exact passages with reliable source context. It also suits privacy-conscious Chrome users who prefer local storage and portable Markdown over building another cloud knowledge base.
FocusReader for Chrome's answer:
Choose FocusReader if you want a lightweight, local-first workflow rather than an account-heavy cloud platform. It focuses on three connected jobs: reading an article without clutter, preserving an exact quote with its original source context, and exporting the library as standard Markdown. An account is not required to save quotes, and PRO is a one-time purchase rather than a subscription. FocusReader is intentionally focused; it is not trying to replace a full RSS reader, web archive, or collaborative citation manager.
FocusReader for Chrome's answer:
FocusReader was built around a simple workflow problem: reading an article cleanly and saving a trustworthy quotation often requires separate tools, manual copying, and reconstructing the source later. The product turns that into one local-first Chrome workflow: open the article in reader mode, save the exact passage with its source context, and export the library as Markdown. It deliberately stays focused instead of becoming another account-heavy note-taking platform.
FocusReader for Chrome's answer:
FocusReader is a Chrome Manifest V3 extension built with HTML, CSS, and vanilla JavaScript. It packages Mozilla Readability locally for article extraction and uses Chrome extension APIs including activeTab, scripting, contextMenus, downloads, storage.local, and storage.session. The public website and HTTPS license endpoints run on Vercel, while Stripe Managed Payments provides one-time checkout and signed-license fulfillment. No remotely hosted code runs inside the extension.
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