head to head · open source
nextai-translator vs UserAgent-Switcher
nextai-translator has 25,019 GitHub stars, 1,854 forks, 529 open issues and last shipped 3 days ago. UserAgent-Switcher has 1,540 stars, 200 forks, 150 open issues and last shipped 5 days ago. nextai-translator leads on adoption by 1,525% (25,019 vs 1,540 stars). nextai-translator is written in TypeScript under AGPL-3.0; UserAgent-Switcher is written in JavaScript under MPL-2.0. nextai-translator has attracted 7% as many forks as stars, UserAgent-Switcher 13%. nextai-translator was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (browser-extension), 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.
← all 20902 open source comparisons
Side by side
| nextai-translator | UserAgent-Switcher | |
|---|---|---|
| GitHub stars | ★ 25K | ★ 1.5K |
| License | AGPL-3.0 | MPL-2.0 |
| Written in | TypeScript | JavaScript |
| Last push | 2026-11-02 | 2026-10-31 |
| Forks | ⑂ 1.9K | ⑂ 200 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick nextai-translator if
- You weight community size — 25K stars and counting
- You want the AGPL-3.0 license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick UserAgent-Switcher if
- You want the UserAgent-Switcher feature set and don't need the biggest community
- You prefer the MPL-2.0 license terms
- Your stack matches JavaScript
- You evaluated both and UserAgent-Switcher fits your workflow better
About nextai-translator
Due to receiving a trademark ownership warning from OpenAI, this project and product has been renamed to nextai translator. We hope you understand. English 中文 The translator that does more than just translation Why Yet another Translator I have developed a Bob plugin that utilizes ChatGPT API to provide global word translation on macOS. However, since not all users have access to macOS to benefit from the plugin, I have created this project! More than just a browser extension What began as a Chrome extension has now evolved into a multi platform desktop app that I am currently developing. More than just…
read the full nextai-translator overview →
About UserAgent-Switcher
UserAgent Switcher A highly configurable browser extension for spoofing your User Agent string. UserAgent Switcher modifies both the User Agent in your browser's request headers and relevant JavaScript navigator properties (e.g., navigator.userAgent , navigator.appVersion , navigator.platform ). It also supports modern browser identification mechanisms such as Client Hints headers and the navigator.userAgentData object, ensuring consistent and comprehensive spoofing across all detection methods. Key Features Comprehensive Spoofing: Modifies both HTTP request headers and JavaScript navigator objects. Granular…
read the full UserAgent-Switcher overview →
More in Productivity & Utilities
Related comparisons
More Browsers & Extensions projects
Compare either of these against the rest of the Browsers & Extensions field.
Frequently asked questions
Is nextai-translator or UserAgent-Switcher more popular?
nextai-translator has 25,019 GitHub stars and UserAgent-Switcher has 1,540. nextai-translator has the larger community by that measure.
Are nextai-translator and UserAgent-Switcher free?
Both are open source. nextai-translator is licensed under AGPL-3.0 and UserAgent-Switcher under MPL-2.0. Neither carries a licence fee.
What is the difference between nextai-translator and UserAgent-Switcher?
nextai-translator is written in TypeScript and UserAgent-Switcher 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, nextai-translator or UserAgent-Switcher?
Choose nextai-translator if you want the larger community (25,019 stars) or its AGPL-3.0 licence terms. Choose UserAgent-Switcher if its feature set, stack or MPL-2.0 licence fits better. Both are self-hostable.