head to head · open source
Zen Browser vs cookie-editor
Zen Browser has 45,517 GitHub stars, 1,946 forks, 689 open issues and last shipped yesterday. cookie-editor has 1,766 stars, 512 forks, 69 open issues and last shipped yesterday. Zen Browser leads on adoption by 2,477% (45,517 vs 1,766 stars). Zen Browser is written in C++ under MPL-2.0; cookie-editor is written in JavaScript under GPL-3.0. Zen Browser has attracted 4% as many forks as stars, cookie-editor 29%. Zen Browser was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (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
| Zen Browser | cookie-editor | |
|---|---|---|
| GitHub stars | ★ 46K | ★ 1.8K |
| License | MPL-2.0 | GPL-3.0 |
| Written in | C++ | JavaScript |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 1.9K | ⑂ 512 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Zen Browser if
- You weight community size — 46K stars and counting
- You want the MPL-2.0 license terms
- Your stack matches C++
- You value the larger contributor base for long-term maintenance
pick cookie-editor if
- You want the cookie-editor feature set and don't need the biggest community
- You prefer the GPL-3.0 license terms
- Your stack matches JavaScript
- You evaluated both and cookie-editor fits your workflow better
About Zen Browser
Zen Browser Zen is a firefox based browser with the aim of pushing your productivity to a new level! Download • Website • Documentation • Release Notes Firefox Versions Release Is currently built using Firefox version 155.0.1 ! Twilight Is currently built using Firefox version RC 155.0.1 ! Contributing If you'd like to report a bug, please do so on our GitHub Issues page and for feature requests, you can use GitHub Discussions. Zen is an open source project, and we welcome contributions from the community! Please take a look at the contribution guidelines before getting started! Partners Thanks to all the…
read the full Zen Browser overview →
About cookie-editor
Cookie Editor Cookie Editor is a browser extension/add on that lets you efficiently create, edit and delete cookies for the current tab. Perfect for developing, quickly testing or even manually managing your cookies for your privacy. Description Cookie Editor is designed to have a simple to use interface that let you do most standard cookie operations quickly. It is ideal for developing and testing web pages. You can easily create, edit and delete a cookie for the current page that you are visiting. There is also a handy button to mass delete all the cookies for the current page. Cookie Editor is available for…
read the full cookie-editor overview →
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Frequently asked questions
Is Zen Browser or cookie-editor more popular?
Zen Browser has 45,517 GitHub stars and cookie-editor has 1,766. Zen Browser has the larger community by that measure.
Are Zen Browser and cookie-editor free?
Both are open source. Zen Browser is licensed under MPL-2.0 and cookie-editor under GPL-3.0. Neither carries a licence fee.
What is the difference between Zen Browser and cookie-editor?
Zen Browser is written in C++ and cookie-editor in JavaScript. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Zen Browser or cookie-editor?
Choose Zen Browser if you want the larger community (45,517 stars) or its MPL-2.0 licence terms. Choose cookie-editor if its feature set, stack or GPL-3.0 licence fits better. Both are self-hostable.