head to head · open source
uBlock vs HackBrowserData
uBlock has 69,033 GitHub stars, 4,427 forks, 15 open issues and last shipped yesterday. HackBrowserData has 14,661 stars, 1,809 forks, 33 open issues and last shipped yesterday. uBlock leads on adoption by 371% (69,033 vs 14,661 stars). uBlock is written in JavaScript under GPL-3.0; HackBrowserData is written in Go under MIT. uBlock has attracted 6% as many forks as stars, HackBrowserData 12%. uBlock was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (browser-extension, firefox), so they are genuine substitutes rather than adjacent tools.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| uBlock | HackBrowserData | |
|---|---|---|
| GitHub stars | ★ 69K | ★ 15K |
| License | GPL-3.0 | MIT |
| Written in | JavaScript | Go |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 4.4K | ⑂ 1.8K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick uBlock if
- You weight community size — 69K stars and counting
- You want the GPL-3.0 license terms
- Your stack matches JavaScript
- You value the larger contributor base for long-term maintenance
pick HackBrowserData if
- You want the HackBrowserData feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Go
- You evaluated both and HackBrowserData fits your workflow better
About uBlock
[![Badge Commits]][Commit Rate] [![Badge Issues]][Issues] [![Badge Localization]][Crowdin] [![Badge License]][License] [![Badge NPM]][NPM] [![Badge Mozilla]][Mozilla] ![Badge Chrome] [![Badge Edge]][Edge] uBlock Origin (uBO) GitHub Releases Stable and development versions on Firefox, Chromium MV2, and Thunderbird. Must be placed manually into web browsers; the Chromium and Thunderbird versions usually won't auto update. Related: uBlock Origin Lite uBlock Origin (uBO) is a CPU and memory efficient [wide spectrum content blocker][Blocking] for Chromium and Firefox. It blocks ads, trackers, coin miners, popups…
read the full uBlock overview →
About HackBrowserData
HackBrowserData HackBrowserData is a command line tool for decrypting and exporting browser data (passwords, history, cookies, bookmarks, credit cards, download history, localStorage, sessionStorage and extensions) from the browser. It supports the most popular Chromium based browsers and Firefox on Windows, macOS and Linux, plus Safari on macOS. It can also decrypt data across machines and operating systems : export the master keys on the origin host, then decrypt a copy of the data offline on any other host — even for a browser that the analyst host's OS cannot run (see Cross host decryption). Disclaimer: This…
read the full HackBrowserData overview →
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Frequently asked questions
Is uBlock or HackBrowserData more popular?
uBlock has 69,033 GitHub stars and HackBrowserData has 14,661. uBlock has the larger community by that measure.
Are uBlock and HackBrowserData free?
Both are open source. uBlock is licensed under GPL-3.0 and HackBrowserData under MIT. Neither carries a licence fee.
What is the difference between uBlock and HackBrowserData?
uBlock is written in JavaScript and HackBrowserData in Go. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, uBlock or HackBrowserData?
Choose uBlock if you want the larger community (69,033 stars) or its GPL-3.0 licence terms. Choose HackBrowserData if its feature set, stack or MIT licence fits better. Both are self-hostable.