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Rolldown

Hacker Approved

Shares rank 3 of 5 JavaScript bundlers by recommenders

A Rust-based JavaScript bundler that is a drop-in replacement for Rollup's API and plugins, and makes builds much faster, especially as the bundler behind Vite 8.

A Rust-based JavaScript bundler that is a drop-in replacement for Rollup's API and plugins, and makes builds much faster, especially as the bundler behind Vite 8.

13 people gave an opinion

recommend it
13
criticize it
0
approval share
100%
Each figure is one person. RecommendsCriticizes

Recommended in 8 of 13 months

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

Why it carries the badge

  • 13 people recommend itNeeds 10 or more, met.
  • Nobody criticizes itNeeds 2 to 1 or better, met.
  • Recommended in 8 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

  • Much faster builds than before

    “We've been running rolldown-vite on a mid-sized project for a few weeks now and the production builds went from ~35s to under 8s.”

    Comment from 13 Mar 2026 in “Vite 8.0 Is Out”

    “It's a drop-in replacement for the most part, and slashed our built times down to 12%.”

    Comment from 10 Jan 2026 in “The Performance Revolution in JavaScript Tooling”

    “it is much faster since it isn't written in JavaScript”

    Comment from 2 Jul 2026 in “Vite+ Beta”
  • Drop-in replacement, works with Rollup

    “It's a drop-in replacement for the most part, and slashed our built times down to 12%.”

    Comment from 10 Jan 2026 in “The Performance Revolution in JavaScript Tooling”

    “Rolldown is compatible to Rollup's API and can use most Rollup plugins”

    Comment from 18 Feb 2026 in “Fastest Front End Tooling for Humans and AI”

    “the rolldown bundler in Vite 8 makes switching to plain Vite”

    Comment from 13 Mar 2026 in “Vite 8.0 Is Out”
  • Written in Rust, so fast

    “it is much faster since it isn't written in JavaScript”

    Comment from 2 Jul 2026 in “Vite+ Beta”

    “rolldown -> tsdown (ts support, but in rast and fast)”

    Comment from 2 Jul 2026 in “Vite+ Beta”
  • Powers Vite 8 and related tools

    “Extremely happy user of Vite, Vitest, Rolldown, tsdown, Oxlint, and Oxfmt.”

    Comment from 2 Jul 2026 in “Vite+ Beta”

    “the rolldown bundler in Vite 8 makes switching to plain Vite”

    Comment from 13 Mar 2026 in “Vite 8.0 Is Out”

    “The main reason for this is rolldown”

    Comment from 13 Mar 2026 in “Vite 8.0 Is Out”

What people warn about

Each mark is one comment

  • Some code may break in edge cases

    “I'm certain this line[1] of code won't work in some cases”

    Comment from 5 Dec 2025 in “Write ReactJS in Rust”

Other JavaScript bundlers people recommend

The four most recommended other JavaScript bundlers, 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.

Rolldown compared with 4 alternatives
ProductRecommendCriticizeApprovalMonthsOwnedBadge
Vite1352187%126 mo3 ownersApproved
esbuild31684%11—Approved
RolldownThis page130100%8—Approved
webpack134224%7——
Turbopack12957%5——
See all 5 JavaScript bundlers, ranked

What people said

11 of the 13 comments that mention it, newest first. Each links to the original comment.

“Vite 8 with rolldown is plenty fast”

RecommendsComment from 18 Sep 2026 in “Show HN: OJ – A drop-in replacement for Vite in Rust”

“rolldown -> tsdown (ts support, but in rast and fast)”

MixedComment from 2 Jul 2026 in “Vite+ Beta”

“Extremely happy user of Vite, Vitest, Rolldown, tsdown, Oxlint, and Oxfmt.”

RecommendsComment from 2 Jul 2026 in “Vite+ Beta”

“it is much faster since it isn't written in JavaScript”

RecommendsComment from 2 Jul 2026 in “Vite+ Beta”

“it was the perfect timing to use it as well”

RecommendsComment from 7 Jun 2026 in “Show HN: Kyushu – A self-hostable WASM sandbox for JavaScript workers”

“the rolldown bundler in Vite 8 makes switching to plain Vite”

RecommendsComment from 13 Mar 2026 in “Vite 8.0 Is Out”

“We've been running rolldown-vite on a mid-sized project for a few weeks now and the production builds went from ~35s to under 8s.”

RecommendsComment from 13 Mar 2026 in “Vite 8.0 Is Out”

“The main reason for this is rolldown”

RecommendsComment from 13 Mar 2026 in “Vite 8.0 Is Out”

“Rolldown is compatible to Rollup's API and can use most Rollup plugins”

RecommendsComment from 18 Feb 2026 in “Fastest Front End Tooling for Humans and AI”

“It's a drop-in replacement for the most part, and slashed our built times down to 12%.”

RecommendsComment from 10 Jan 2026 in “The Performance Revolution in JavaScript Tooling”

“I'm certain this line[1] of code won't work in some cases”

MixedComment from 5 Dec 2025 in “Write ReactJS in Rust”

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