@yhslgg: Folks, today I'd like to introduce you to a hidden gem with 21,000 stars on GitHub. I tried it myself and was blown away! It's called SingleFile. It does one thing: completely packages any web page into a single HTML file and saves it locally. Images, CSS, fonts, styles — all bundled into one…

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web-archiving browser-extension open-source productivity save-webpage offline

Summary

SingleFile is a free and open-source browser extension and CLI tool that can fully package any web page into a single HTML file, preserving images, CSS, and more. It works permanently offline and supports auto-save, batch save, and cloud storage.

Folks, today I'd like to introduce you to a hidden gem with 21,000 stars on GitHub. I tried it myself and was blown away! It's called SingleFile. It does one thing: completely packages any web page into a single HTML file and saves it locally. Images, CSS, fonts, styles — all bundled into one file. It's not a screenshot; it's the actual web page. Open it and it looks exactly the same, and you can still click links and copy text. Ever run into this situation: You bookmark a great article, but months later when you open it, you get a 404. You find a really useful page, but one day the site goes down and everything is gone. You want to save an important page, but screenshots are too fragmented and copy-pasting makes a mess. SingleFile is built specifically for this. The usage is ridiculously simple: (1) Install the browser extension — supports Chrome, Firefox, Edge, Safari, Brave (2) Open the web page you want to save (3) Click the extension button, or press Ctrl+Shift+Y (4) A complete .html file is downloaded, usable offline forever It also supports: auto-save, batch save multiple tabs, add highlights and notes to pages, and upload directly to Google Drive or GitHub for archiving. For developers, there's also a CLI version — script batch page scraping and automated archiving is a breeze. Content creators, researchers, digital hoarders — this tool is a must-have. All those "I'll check it out later" treasures online can now truly be preserved from today. It's free and open source. Just search for SingleFile and install the plugin. Share this with anyone who needs it.
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Cached at: 05/23/26, 04:14 PM

Hey folks, today let me introduce you to a gem of a tool — 21,000 stars on GitHub, and after using it myself, I was blown away.

It’s called SingleFile.

It does one thing: packs any web page into a single HTML file and saves it locally.

Images, CSS, fonts, styles — everything stuffed into one file. It’s not a screenshot; it’s the real webpage. Open it and it looks exactly like the original, links still clickable, text still selectable.

Have you ever run into this:

  • You bookmark a great article, only to get a 404 a few months later.
  • You find a super useful page, but the site goes down eventually and it’s all gone.
  • You want to save an important page, but screenshots are messy and copy-pasting turns into chaos.

SingleFile is built exactly for this.

Usage is ridiculously simple:

  1. Install the browser extension — Chrome, Firefox, Edge, Safari, Brave — all supported.
  2. Open the page you want to save.
  3. Click the extension button, or hit Ctrl+Shift+Y.
  4. A complete .html file downloads — ready for permanent offline use.

It also supports: auto-saving, batch-saving multiple tabs, adding highlights and notes to pages, and uploading directly to Google Drive or GitHub for archiving.

For developers, there’s a CLI version for scripting batch page grabs and automated archiving.

Content creators, researchers, information hoarders — this tool is a must-have once installed.

All those “I’ll check it later” treasures on the web can finally be truly kept.

It’s free and open source. Just search “SingleFile” in your extension store and install it.

Pass it on to anyone who needs it.

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