TeaVM
Shares rank 4 of 6 transpilers by recommenders
Compiles Java bytecode to JavaScript or WebAssembly so Java code can run in the browser, with tree-shaking and minification that keep output lean.
Compiles Java bytecode to JavaScript or WebAssembly so Java code can run in the browser, with tree-shaking and minification that keep output lean.
7 people gave an opinion
- recommend it
- 7
- criticize it
- 0
- approval share
- 100%
Recommended in 4 of 13 months
- November 2025: recommended
- December 2025: recommended
- January 2026: not recommended
- February 2026: not recommended
- March 2026: not recommended
- April 2026: not recommended
- May 2026: recommended
- June 2026: not recommended
- July 2026: not recommended
- August 2026: not recommended
- September 2026: not recommended
- October 2026: recommended
- November 2026: not recommended (month in progress)
Why it doesn’t carry the badge
- 7 people recommend itNeeds 10 or more, not met.
- Nobody criticizes itNeeds 2 to 1 or better, met.
- Recommended in 4 of 13 monthsNeeds 4 or more, met.
The same three rules apply to every product, and the badge can’t be bought. How the badge works
What people say about it
The reasons people give, with the number of comments that give each one. Open a reason to read what they said.
Why people recommend it
Each mark is one comment
Works well in daily use
“I've been using TeaVM for a while now, and it's pretty great.”
Comment from 8 Dec 2025 in “Applets are officially gone, but Java in the browser is better” “It performs fine: https://teavm.org/gallery.html”
Comment from 8 Dec 2025 in “Applets are officially gone, but Java in the browser is better”
Other transpilers people recommend
The four most recommended other transpilers, with the same counts for each, so you can compare like for like. The tick on each bar marks the 2 to 1 line the badge needs.
See all 6 transpilers, rankedWhat people said
6 of the 9 comments that mention it, newest first. Each links to the original comment.
“TeaVM has made it possible to run surprisingly complex Java games”
“It performs fine: https://teavm.org/gallery.html”
“Moving Java to JS/WASM with tree-shaking, minification, and real browser APIs gives you all the benefits without the security nightmare.”
“I've been using TeaVM for a while now, and it's pretty great.”
“provides fast, performant, and lightweight tooling to transpile Java to run natively in the browser”
“ever since discovering TeaVM I wanted to use it on the browser too”
Counts come from 1,795,640 Hacker News comments, November 2025 to November 2026. How we count. Report a mistake.