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Minikotlin

Shares rank 16 of 26 compilers by recommenders

Compiles Kotlin in a browser tab, locally and quickly, which people find cool. Critics say it is limited, unclear in purpose and looks LLM-generated.

Compiles Kotlin in a browser tab, locally and quickly, which people find cool. Critics say it is limited, unclear in purpose and looks LLM-generated.

13 people gave an opinion

recommend it
8
criticize it
5
approval share
62%
Each figure is one person. RecommendsCriticizes

Recommended in 1 of 13 months

  1. November 2025: not recommended
  2. December 2025: not recommended
  3. January 2026: not recommended
  4. February 2026: not recommended
  5. March 2026: not recommended
  6. April 2026: not recommended
  7. May 2026: not recommended
  8. June 2026: not recommended
  9. July 2026: recommended
  10. August 2026: not recommended
  11. September 2026: not recommended
  12. October 2026: not recommended
  13. November 2026: not recommended (month in progress)

Why it doesn’t carry the badge

  • 8 people recommend itNeeds 10 or more, not met.
  • 1.6 recommenders for every criticNeeds 2 to 1 or better, not met.
  • Recommended in 1 of 13 monthsNeeds 4 or more, not 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

  • Compiles locally in the browser

    “I like the UI and that it compiles locally. But I don't really get what this is for.”

    Comment from 17 Jul 2026 in “Minikotlin”

    “This ran and compiled something in 98ms on my smartphone, cool stuff.”

    Comment from 17 Jul 2026 in “Minikotlin”
  • Pleasant UI and designs

    “I like the UI and that it compiles locally. But I don't really get what this is for.”

    Comment from 17 Jul 2026 in “Minikotlin”

    “it's pleasant, I don't mind the generated designs at all”

    Comment from 17 Jul 2026 in “Minikotlin”
  • Impressive, cool project

    “That's amazing. What an achievement!”

    Comment from 4 Jul 2026 in “MiniKotlin – A Kotlin Compiler That Runs in a Browser Tab”

    “cool project, thanks for sharing”

    Comment from 17 Jul 2026 in “Minikotlin”

What people warn about

Each mark is one comment

  • Looks LLM-generated, little real use

    “This doesn't seem like a human even attempted to use it for anything, otherwise they would have realised how lacking it is.”

    Comment from 17 Jul 2026 in “Minikotlin”

    “This is so clearly all LLM-generated, it hurts.”

    Comment from 17 Jul 2026 in “Minikotlin”

    “Visibly claude produced website.”

    Comment from 17 Jul 2026 in “Minikotlin”
  • Unclear what it is for

    “I like the UI and that it compiles locally. But I don't really get what this is for.”

    Comment from 17 Jul 2026 in “Minikotlin”

    “Seems to be missing the "why" over Kotlins native WASM support”

    Comment from 17 Jul 2026 in “Minikotlin”

Other compilers people recommend

The four most recommended other compilers, 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.

Minikotlin compared with 4 alternatives
ProductRecommendCriticizeApprovalMonthsOwnedBadge
GCC13812353%1215 yrs9 owners—
Clang745060%12——
Free Pascal compiler38784%11—Approved
GraalVM Native Image31978%11—Approved
MinikotlinThis page8562%1——
See all 26 compilers, ranked

What people said

All 14 comments that mention it, newest first. Each links to the original comment.

“The example program they give as a "specimen" doesn't compile unless you specify the generic type of the "lanes" variable explicitly.”

MixedComment from 17 Jul 2026 in “Minikotlin”

“Personally I wouldn't put too much trust in a developer that even can't get their terminology correct.”

MixedComment from 17 Jul 2026 in “Minikotlin”

“This is so clearly all LLM-generated, it hurts.”

CriticizesComment from 17 Jul 2026 in “Minikotlin”

“it's pleasant, I don't mind the generated designs at all”

MixedComment from 17 Jul 2026 in “Minikotlin”

“One-pass compilers can't typecheck forward references.”

CriticizesComment from 17 Jul 2026 in “Minikotlin”

“This doesn't seem like a human even attempted to use it for anything, otherwise they would have realised how lacking it is.”

CriticizesComment from 17 Jul 2026 in “Minikotlin”

“Seems to be missing the "why" over Kotlins native WASM support”

CriticizesComment from 17 Jul 2026 in “Minikotlin”

“dramatically more underwhelming and lacking in features compared to the from-scratch-in-C Minikotlin compiler page”

RecommendsComment from 17 Jul 2026 in “Minikotlin”

“cool project, thanks for sharing”

RecommendsComment from 17 Jul 2026 in “Minikotlin”

“I like the UI and that it compiles locally. But I don't really get what this is for.”

MixedComment from 17 Jul 2026 in “Minikotlin”

“Web compilers are dime-a-dozen and LLMs can easily produce them”

CriticizesComment from 17 Jul 2026 in “Minikotlin”

“Visibly claude produced website.”

CriticizesComment from 17 Jul 2026 in “Minikotlin”

“This ran and compiled something in 98ms on my smartphone, cool stuff.”

RecommendsComment from 17 Jul 2026 in “Minikotlin”

“That's amazing. What an achievement!”

RecommendsComment from 4 Jul 2026 in “MiniKotlin – A Kotlin Compiler That Runs in a Browser Tab”

Counts come from 1,795,640 Hacker News comments, November 2025 to November 2026. How we count. Report a mistake.