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🏃♂️🏃♀️🏃 JS minification benchmarks: babel-minify, esbuild, terser, uglify-js, swc, google closure compiler, tdewolff/minify, oxc-minify
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privatenumber/minification-benchmarks
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What's the best JavaScript minifier?
This project benchmarks the following minifiers:
| Minifier | Version | Release date ↓ |
|---|---|---|
| esbuild | 0.25.12 | 2025-11-01 |
| oxc-minify | 0.96.0 | 2025-10-30 |
| @swc/core | 1.14.0 | 2025-10-29 |
| @tdewolff/minify | 2.24.5 | 2025-10-24 |
| bun | 1.3.1 | 2025-10-22 |
| terser | 5.44.0 | 2025-09-02 |
| google-closure-compiler | 20250820.0.0 | 2025-08-22 |
| @cminify/cminify-linux-x64 | 3.0.1 | 2025-07-27 |
| uglify-js | 3.19.3 | 2024-08-29 |
| babel-minify | 0.5.2 | 2022-05-06 |
| tedivm/jshrink | 1.8.0 |
Benchmarks last updated on Nov 2, 2025.
- To help you pick a minifier that fits your needs
- To promote JS minifiers and document their performances
- To encourage healthy competition and improvement amongst minifiers
- Each minifier is executed in its own process with a 10s timeout
- Artifact integrity is verified by a test before and after minification
- Each minifier is minimally configured (sourcemaps & comments disabled), comparing out-of-the-box experience
- Minifier upgrade PRs are automated viaWhiteSource Renovate
- Benchmarks are updated on every PR viaGitHub Actions
- The raw benchmark data is available in
/packages/data/data/data.json
For each benchmark, minifiers are ranked by a score that reflects the best balance of trade-offs.
The score combines minzipped size and minification time, with size weighted more heavily by default (85% size, 15% time) since it's usually the top priority. If a minifier is unusually slow, the weights shift toward time using alogistic sigmoid function, up to a 50/50 split. This avoids harsh cutoffs while still penalizing extreme slowness.
Both size and time are scaled usingmin-max normalization so they can be compared fairly. The result is a context-aware score that helps surface the best overall choice—but make sure to check each column directly if size or speed matters more to you.
Size of the minified output.
Size of the minified output withGzip compression.
For minifiers, this measures how compressable the output is.
For users, this measures network transfer size, which is usually the metric that matters most.
How long minification took (average of 5 runs). Each time is annotated with a multiplier relative to the fastest minifier.
Tip
What's the verdict?⚔️ See theMinifier showdown
| Artifact | Original size | Gzip size | |
|---|---|---|---|
| react v17.0.2 (Source) | 72.13 KB | 19.39 KB | |
| Minifier | Minified size | Minzipped size | Time |
| 1.@swc/core | -68%22.81 KB | -58%8.19 KB | 4x13 ms |
| 2.oxc-minify | -68%23.22 KB | -57%8.40 KB | 1x3 ms |
| 3.terser | -68%23.05 KB | -57%8.26 KB | 93x282 ms |
| 4.uglify-js | 🏆-69%22.64 KB | 🏆-58%8.18 KB | 169x511 ms |
| 5.esbuild | -67%23.70 KB | -56%8.54 KB | 5x17 ms |
| 6.@tdewolff/minify | -67%23.49 KB | -55%8.63 KB | 🏆3 ms |
| 7.bun | -67%23.99 KB | -55%8.66 KB | 6x21 ms |
| 8.uglify-js (no compress) | -65%25.03 KB | -55%8.67 KB | 30x90 ms |
| 9.babel-minify | -67%23.61 KB | -56%8.45 KB | 178x537 ms |
| 10.terser (no compress) | -65%25.06 KB | -55%8.74 KB | 42x128 ms |
| 11.google-closure-compiler | -68%22.81 KB | -58%8.22 KB | 1013x3,048 ms |
| 12.@cminify/cminify-linux-x64 | -44%40.04 KB | -44%10.86 KB | 4x15 ms |
| 13.tedivm/jshrink | -43%40.82 KB | -43%11.04 KB | 42x126 ms |
| Artifact | Original size | Gzip size | |
|---|---|---|---|
| moment v2.29.1 (Source) | 173.90 KB | 36.23 KB | |
| Minifier | Minified size | Minzipped size | Time |
| 1.@swc/core | -66%58.42 KB | -48%18.75 KB | 4x31 ms |
| 2.oxc-minify | -66%59.40 KB | -47%19.24 KB | 1x10 ms |
| 3.terser | -66%59.01 KB | -48%18.69 KB | 95x631 ms |
| 4.esbuild | -66%59.82 KB | -47%19.33 KB | 3x20 ms |
| 5.@tdewolff/minify | -66%59.89 KB | -46%19.48 KB | 🏆7 ms |
| 6.uglify-js | 🏆-67%57.73 KB | 🏆-49%18.57 KB | 166x1,106 ms |
| 7.uglify-js (no compress) | -64%62.50 KB | -46%19.57 KB | 29x199 ms |
| 8.bun | -64%61.76 KB | -45%19.85 KB | 2x17 ms |
| 9.terser (no compress) | -64%63.01 KB | -46%19.65 KB | 37x249 ms |
| 10.babel-minify | -66%59.79 KB | -48%19.01 KB | 183x1,215 ms |
| 11.google-closure-compiler | -66%58.28 KB | -48%18.90 KB | 566x3,760 ms |
| 12.@cminify/cminify-linux-x64 | -45%95.93 KB | -32%24.74 KB | 1x10 ms |
| 13.tedivm/jshrink | -44%97.63 KB | -31%25.00 KB | 43x286 ms |
| Artifact | Original size | Gzip size | |
|---|---|---|---|
| jquery v3.5.1 (Source) | 287.63 KB | 84.50 KB | |
| Minifier | Minified size | Minzipped size | Time |
| 1.@swc/core | -69%89.17 KB | -63%30.86 KB | 6x56 ms |
| 2.oxc-minify | -69%89.26 KB | -63%30.93 KB | 1x15 ms |
| 3.@tdewolff/minify | -69%89.68 KB | -63%31.45 KB | 🏆9 ms |
| 4.uglify-js (no compress) | -67%94.08 KB | -63%31.47 KB | 30x273 ms |
| 5.esbuild | -69%90.07 KB | -62%31.96 KB | 3x30 ms |
| 6.terser (no compress) | -67%94.26 KB | -63%31.56 KB | 37x332 ms |
| 7.terser | -69%89.24 KB | 🏆-63%30.86 KB | 91x819 ms |
| 8.bun | -68%92.39 KB | -61%32.64 KB | 3x29 ms |
| 9.uglify-js | 🏆-69%88.45 KB | -63%30.90 KB | 178x1,595 ms |
| 10.babel-minify | -68%92.11 KB | -62%31.80 KB | 215x1,922 ms |
| 11.google-closure-compiler | -68%92.71 KB | -61%33.05 KB | 450x4,021 ms |
| 12.@cminify/cminify-linux-x64 | -51%141.45 KB | -52%40.37 KB | 1x14 ms |
| 13.tedivm/jshrink | -50%144.14 KB | -52%40.88 KB | 40x359 ms |
| Artifact | Original size | Gzip size | |
|---|---|---|---|
| vue v2.6.12 (Source) | 342.15 KB | 89.67 KB | |
| Minifier | Minified size | Minzipped size | Time |
| 1.@swc/core | -66%115.68 KB | 🏆-52%42.73 KB | 6x73 ms |
| 2.oxc-minify | -66%116.98 KB | -52%43.23 KB | 1x19 ms |
| 3.@tdewolff/minify | -66%117.70 KB | -51%44.37 KB | 🏆12 ms |
| 4.esbuild | -65%118.14 KB | -51%44.37 KB | 2x35 ms |
| 5.uglify-js (no compress) | -63%126.14 KB | -50%44.45 KB | 29x348 ms |
| 6.terser | -66%116.60 KB | -52%42.87 KB | 86x1,039 ms |
| 7.bun | -65%121.28 KB | -49%45.39 KB | 2x33 ms |
| 8.terser (no compress) | -63%126.39 KB | -50%44.64 KB | 34x409 ms |
| 9.uglify-js | 🏆-67%113.80 KB | -52%43.04 KB | 176x2,114 ms |
| 10.babel-minify | -66%117.92 KB | -51%43.89 KB | 180x2,158 ms |
| 11.google-closure-compiler | -66%115.55 KB | -51%44.24 KB | 360x4,306 ms |
| 12.@cminify/cminify-linux-x64 | -43%193.91 KB | -37%56.36 KB | 1x15 ms |
| 13.tedivm/jshrink | -42%197.36 KB | -36%57.17 KB | 39x477 ms |
| Artifact | Original size | Gzip size | |
|---|---|---|---|
| lodash v4.17.21 (Source) | 544.09 KB | 96.69 KB | |
| Minifier | Minified size | Minzipped size | Time |
| 1.@swc/core | -87%69.82 KB | -74%25.24 KB | 4x55 ms |
| 2.oxc-minify | -87%71.04 KB | -73%25.90 KB | 1x15 ms |
| 3.uglify-js (no compress) | -86%74.61 KB | -73%25.86 KB | 25x302 ms |
| 4.esbuild | -87%72.50 KB | -73%26.20 KB | 2x33 ms |
| 5.@tdewolff/minify | -87%71.90 KB | -73%26.50 KB | 1x12 ms |
| 6.terser | -87%70.41 KB | -74%25.15 KB | 72x859 ms |
| 7.bun | -87%73.45 KB | -72%26.66 KB | 1x22 ms |
| 8.terser (no compress) | -86%75.04 KB | -73%26.19 KB | 29x349 ms |
| 9.uglify-js | 🏆-87%68.17 KB | 🏆-74%24.69 KB | 143x1,697 ms |
| 10.babel-minify | -87%72.79 KB | -74%25.41 KB | 142x1,679 ms |
| 11.google-closure-compiler | -86%73.49 KB | -74%25.03 KB | 363x4,295 ms |
| 12.@cminify/cminify-linux-x64 | -73%146.27 KB | -63%35.94 KB | 🏆12 ms |
| 13.tedivm/jshrink | -73%148.78 KB | -62%36.33 KB | 32x382 ms |
| Artifact | Original size | Gzip size | |
|---|---|---|---|
| d3 v6.3.1 (Source) | 555.77 KB | 130.69 KB | |
| Minifier | Minified size | Minzipped size | Time |
| 1.@swc/core | -52%265.22 KB | -33%87.22 KB | 6x147 ms |
| 2.oxc-minify | -52%267.39 KB | -33%87.96 KB | 2x44 ms |
| 3.uglify-js (no compress) | -50%275.35 KB | -32%88.32 KB | 32x686 ms |
| 4.@tdewolff/minify | -52%269.07 KB | -31%89.87 KB | 1x34 ms |
| 5.terser (no compress) | -50%276.13 KB | -32%89.07 KB | 44x945 ms |
| 6.esbuild | -51%270.21 KB | -31%90.81 KB | 3x70 ms |
| 7.terser | -52%267.42 KB | -33%88.00 KB | 102x2,190 ms |
| 8.bun | -51%272.73 KB | -29%92.34 KB | 2x51 ms |
| 9.uglify-js | 🏆-53%263.56 KB | 🏆-33%87.02 KB | 185x3,964 ms |
| 10.@cminify/cminify-linux-x64 | -29%393.70 KB | -21%103.81 KB | 🏆21 ms |
| 11.google-closure-compiler | -51%270.32 KB | -28%94.15 KB | 301x6,444 ms |
| 12.babel-minify❌ Minification | ❌ | ❌ | - |
| 13.tedivm/jshrink❌ Minification | ❌ | ❌ | - |
| Artifact | Original size | Gzip size | |
|---|---|---|---|
| terser v5.30.3 (Source) | 1.01 MB | 193.76 KB | |
| Minifier | Minified size | Minzipped size | Time |
| 1.oxc-minify | 🏆-56%439.40 KB | 🏆-37%122.02 KB | 1x42 ms |
| 2.@swc/core | -55%455.48 KB | -36%123.29 KB | 6x138 ms |
| 3.@tdewolff/minify | -55%456.60 KB | -36%124.88 KB | 1x32 ms |
| 4.terser (no compress) | -53%472.58 KB | -36%124.25 KB | 38x887 ms |
| 5.uglify-js (no compress) | -53%472.16 KB | -36%124.61 KB | 33x765 ms |
| 6.esbuild | -55%458.93 KB | -35%126.71 KB | 2x64 ms |
| 7.bun | -54%466.69 KB | -34%127.64 KB | 1x44 ms |
| 8.terser | -55%456.59 KB | -36%123.35 KB | 91x2,094 ms |
| 9.uglify-js | -55%451.19 KB | -36%123.33 KB | 163x3,736 ms |
| 10.google-closure-compiler | -56%439.92 KB | -35%126.44 KB | 255x5,846 ms |
| 11.@cminify/cminify-linux-x64 | -38%625.93 KB | -26%144.30 KB | 🏆23 ms |
| 12.tedivm/jshrink | -37%633.71 KB | -25%145.18 KB | 59x1,353 ms |
| 13.babel-minify❌ Minification | ❌ | ❌ | - |
| Artifact | Original size | Gzip size | |
|---|---|---|---|
| three v0.124.0 (Source) | 1.25 MB | 248.27 KB | |
| Minifier | Minified size | Minzipped size | Time |
| 1.@swc/core | -48%642.94 KB | 🏆-36%158.75 KB | 9x213 ms |
| 2.oxc-minify | -48%642.65 KB | -36%159.91 KB | 2x65 ms |
| 3.esbuild | -48%646.93 KB | -34%163.75 KB | 4x94 ms |
| 4.@tdewolff/minify | -49%642.21 KB | -34%164.60 KB | 2x48 ms |
| 5.uglify-js (no compress) | -46%674.49 KB | -34%163.04 KB | 42x985 ms |
| 6.terser (no compress) | -46%675.43 KB | -34%163.18 KB | 51x1,182 ms |
| 7.bun | -47%655.59 KB | -33%166.17 KB | 2x57 ms |
| 8.terser | -48%653.18 KB | -36%159.17 KB | 122x2,825 ms |
| 9.uglify-js | 🏆-49%641.59 KB | -36%159.07 KB | 219x5,050 ms |
| 10.google-closure-compiler | -48%644.51 KB | -34%162.81 KB | 342x7,878 ms |
| 11.@cminify/cminify-linux-x64 | -25%941.06 KB | -23%191.97 KB | 🏆23 ms |
| 12.tedivm/jshrink | -24%952.01 KB | -22%193.47 KB | 75x1,736 ms |
| 13.babel-minify❌ Timed out | - | - | +10,000 ms |
| Artifact | Original size | Gzip size | |
|---|---|---|---|
| victory v35.8.4 (Source) | 2.13 MB | 309.94 KB | |
| Minifier | Minified size | Minzipped size | Time |
| 1.@swc/core | -67%705.98 KB | -49%157.75 KB | 6x318 ms |
| 2.oxc-minify | -67%711.15 KB | -48%160.89 KB | 2x102 ms |
| 3.@tdewolff/minify | -66%716.83 KB | -47%165.01 KB | 1x56 ms |
| 4.terser (no compress) | -65%756.62 KB | -46%166.18 KB | 31x1,487 ms |
| 5.uglify-js (no compress) | -65%756.53 KB | -46%167.58 KB | 25x1,245 ms |
| 6.terser | -67%712.87 KB | -49%158.46 KB | 80x3,840 ms |
| 7.esbuild | -66%725.65 KB | -42%181.23 KB | 2x125 ms |
| 8.bun | -66%726.80 KB | -41%182.61 KB | 1x90 ms |
| 9.uglify-js | 🏆-67%694.78 KB | 🏆-49%157.44 KB | 137x6,600 ms |
| 10.@cminify/cminify-linux-x64 | -33%1.43 MB | -29%221.12 KB | 🏆48 ms |
| 11.babel-minify❌ Minification | ❌ | ❌ | - |
| 12.google-closure-compiler❌ Timed out | - | - | +10,000 ms |
| 13.tedivm/jshrink❌ Post-validation | ❌ | ❌ | - |
| Artifact | Original size | Gzip size | |
|---|---|---|---|
| echarts v5.1.1 (Source) | 3.20 MB | 684.61 KB | |
| Minifier | Minified size | Minzipped size | Time |
| 1.oxc-minify | -69%1.00 MB | -53%323.10 KB | 4x205 ms |
| 2.@swc/core | 🏆-69%993.90 KB | 🏆-53%321.14 KB | 13x603 ms |
| 3.@tdewolff/minify | -68%1.01 MB | -52%331.79 KB | 2x120 ms |
| 4.esbuild | -68%1.01 MB | -52%331.62 KB | 4x204 ms |
| 5.bun | -68%1.02 MB | -51%337.87 KB | 3x137 ms |
| 6.uglify-js (no compress) | -67%1.07 MB | -52%331.41 KB | 37x1,722 ms |
| 7.terser (no compress) | -67%1.07 MB | -52%330.35 KB | 55x2,501 ms |
| 8.terser | -69%998.45 KB | -53%321.56 KB | 129x5,866 ms |
| 9.@cminify/cminify-linux-x64 | -45%1.77 MB | -37%434.45 KB | 🏆45 ms |
| 10.babel-minify❌ Timed out | - | - | +10,000 ms |
| 11.google-closure-compiler❌ Timed out | - | - | +10,000 ms |
| 12.tedivm/jshrink❌ Minification | ❌ | ❌ | - |
| 13.uglify-js❌ Timed out | - | - | +10,000 ms |
| Artifact | Original size | Gzip size | |
|---|---|---|---|
| antd v4.16.1 (Source) | 6.67 MB | 825.18 KB | |
| Minifier | Minified size | Minzipped size | Time |
| 1.oxc-minify | -67%2.22 MB | -45%456.09 KB | 3x283 ms |
| 2.@swc/core | 🏆-68%2.15 MB | 🏆-45%452.40 KB | 10x788 ms |
| 3.@tdewolff/minify | -66%2.29 MB | -43%471.80 KB | 1x138 ms |
| 4.esbuild | -65%2.31 MB | -41%488.42 KB | 4x296 ms |
| 5.bun | -66%2.30 MB | -40%491.71 KB | 2x172 ms |
| 6.uglify-js (no compress) | -64%2.42 MB | -42%478.57 KB | 33x2,453 ms |
| 7.terser (no compress) | -64%2.42 MB | -42%474.97 KB | 38x2,816 ms |
| 8.terser | -66%2.24 MB | -45%457.35 KB | 90x6,631 ms |
| 9.@cminify/cminify-linux-x64 | -34%4.43 MB | -24%623.37 KB | 🏆73 ms |
| 10.babel-minify❌ Timed out | - | - | +10,000 ms |
| 11.google-closure-compiler❌ Timed out | - | - | +10,000 ms |
| 12.tedivm/jshrink❌ Timed out | - | - | +10,000 ms |
| 13.uglify-js❌ Timed out | - | - | +10,000 ms |
| Artifact | Original size | Gzip size | |
|---|---|---|---|
| typescript v4.9.5 (Source) | 10.95 MB | 1.88 MB | |
| Minifier | Minified size | Minzipped size | Time |
| 1.oxc-minify | -70%3.33 MB | 🏆-55%853.15 KB | 5x581 ms |
| 2.@tdewolff/minify | -69%3.35 MB | -54%875.82 KB | 2x265 ms |
| 3.@swc/core | 🏆-70%3.31 MB | -54%859.05 KB | 15x1,667 ms |
| 4.esbuild | -68%3.49 MB | -51%915.59 KB | 4x495 ms |
| 5.bun | -68%3.54 MB | -51%923.27 KB | 2x308 ms |
| 6.uglify-js (no compress) | -68%3.54 MB | -53%876.54 KB | 34x3,784 ms |
| 7.terser (no compress) | -68%3.53 MB | -53%878.64 KB | 43x4,687 ms |
| 8.@cminify/cminify-linux-x64 | -47%5.85 MB | -40%1.13 MB | 🏆109 ms |
| 9.babel-minify❌ Timed out | - | - | +10,000 ms |
| 10.google-closure-compiler❌ Timed out | - | - | +10,000 ms |
| 11.tedivm/jshrink❌ Timed out | - | - | +10,000 ms |
| 12.terser❌ Timed out | - | - | +10,000 ms |
| 13.uglify-js❌ Timed out | - | - | +10,000 ms |
Note
🤖 This analysis is AI generated. See below for the system prompt.
Three... two... one... compress! Welcome to the Minification Grand Prix, where bytes fall and clocks tick. The field mixed old-school grinders, speed demons, and a few surprise specialists. The scoreboard was messy, the finishes were close, and the big bundles decided the real story.
@swc/core takes the crown. It didn’t always post the absolute smallest number, but it won the rounds that matter most: the mid-to-huge bundles (three, echarts, antd) and stayed fast while doing it. That balance—near-best gzip sizes on the heaviest artifacts with consistently low hundreds-of-milliseconds times—makes it the most practical winner for real projects where transfer size and pipeline time both bite. Uglify-js kept flirting with the lowest sizes on many smaller and medium packages, but it often paid in seconds of extra processing. When bytes and time both count, @swc/core is the pick that keeps your CI breathing and your users’ downloads trim.
- uglify-js — Size king for many small-to-medium bundles. When absolute smallest bytes matter and you can tolerate multi-second runtimes, this is your champion.
- oxc-minify — The giant-slayer. It produced the best gzip on the single largest artifact (typescript) and took a clean win on a few big bundles while staying noticeably quicker than the slowest contenders.
- @cminify/cminify-linux-x64 — The speed demon for huge inputs. It repeatedly finished in tens of milliseconds, at the cost of visibly larger gzipped sizes. Great for tooling where latency trumps every byte.
- @tdewolff/minify — Blindingly fast on small and medium inputs, and surprisingly competitive on compression there. A pragmatic pick when you want almost-instant minification with decent savings.
- terser — Still relevant. Snagged the best size on jquery and otherwise stayed competitive; a dependable specialist.
- babel-minify — Crashed on "d3": Cannot read properties of undefined (reading 'add').
- tedivm/jshrink — Crashed on "d3": Unclosed regex pattern runtime exception.
This race measured only two things: gzipped transfer size and minification speed. Real-world choices also depend on developer experience, compatibility, and ecosystem fits—things this stopwatch didn’t touch. If you prioritize tiniest bytes no matter the wait, look at uglify-js and the specialists. If you want a torque-y everyday tool that trims big bundles quickly, @swc/core is the safest bet. And if your pipeline needs split-second minification (think tight dev loops), the cminify and tdewolff entries deserve a serious look.
System prompt
Today's date is 2025-11-02You are a JavaScript minification benchmark analyst with a flair for storytelling.## ObjectiveAnalyze JavaScript minifiers based strictly on benchmark data: *minified Gzip size* and *minification speed*.Present your findings as an entertaining and intuitive commentary, helping readers understand performance trade-offs even if they aren't familiar with kilobytes, milliseconds, or compression ratios.Your job is to narrate the race—not just display the scoreboard.## Rules of Engagement1. Compare only what's measured: Evaluate each minifier based solely on Gzip size and speed. Avoid assumptions about correctness, compatibility, or code quality unless failures are explicitly shown in the results.2. Crown the winner: - Prioritize smallest Gzip size (transfer time matters most). - Consider speed—especially where compression is close. A 10× faster tool with ~1% worse compression might be more practical for CI pipelines. - Bigger source = harder challenge. Reward outstanding performance on large artifacts. - Trade-offs are key. Highlight where a tool sacrifices speed for size (or vice versa), and who manages both impressively.3. Context matters: - These benchmarks only capture performance. Real-world adoption also depends on DX: install size, API design, community, etc. Mention that—briefly—but do not evaluate it. - If a tool stands out only in niche scenarios, note it. - If a tool fails validation or breaks input code, eliminate it and warn accordingly.## Output format- Tone: Energetic, cheeky, and dramatic—like a live commentator at a niche sporting event. No emojis.- Style: Short, connected sentences. Prioritize flow over bullet lists, except for eliminations.- Audience: Readers who want *practical insight* from raw benchmark data—without needing to decode gzip math or performance charts.## Output structure & example```md<Quick intro — set the tone. Comment on how fierce or surprising the field was.>Three... two... one... compress! Welcome to the Minification Grand Prix, where bytes are sliced, milliseconds count, and no semicolon is safe. This year's lineup is ferocious, blending familiar veterans with some clever debutants. The competition? Gritty as ever. The stakes? Astronomical. Let’s see who rises to the top of the minification hierarchy!### Best minifier<Name the top performer and justify it. Consider consistency, trade-offs, and standout moments. Call out how hard the decision was if close.>### Honorable mentions<Concisely highlight specific tools that impressed in size, speed, or balance. Mention exciting newcomers or quietly consistent performers.>### Eliminated<List of disqualified minifiers, each with a quick reason (e.g., crash, invalid output, critical bug). Be clear but diplomatic.>### Closing remarks<Closing remarks — Concisely celebrate the competition, acknowledge that DX and correctness also matter, and encourage readers to explore what fits their workflow.>```# Minifiers- babel-minify v0.5.2 released 2022-05-06- bun v1.3.1 released 2025-10-22- @cminify/cminify-linux-x64 v3.0.1 released 2025-07-27- esbuild v0.25.12 released 2025-11-01- google-closure-compiler v20250820.0.0 released 2025-08-22- tedivm/jshrink v1.8.0- oxc-minify v0.96.0 released 2025-10-30- @swc/core v1.14.0 released 2025-10-29- @tdewolff/minify v2.24.5 released 2025-10-24- terser v5.44.0 released 2025-09-02- uglify-js v3.19.3 released 2024-08-29# Race results## Round 1: npm package "react" (19.39 KB gzipped)- Best gzip compression: uglify-js: 8.18 KB (58% shaved) in 511 ms- Fastest: @tdewolff/minify: 8.63 KB (55% shaved) in 3 ms- Most balanced: @swc/core: 8.19 KB (58% shaved) in 13 ms- Honorable mention: oxc-minify: 8.40 KB (57% shaved) in 3 ms## Round 2: npm package "moment" (36.23 KB gzipped)- Best gzip compression: uglify-js: 18.57 KB (49% shaved) in 1,106 ms- Fastest: @tdewolff/minify: 19.48 KB (46% shaved) in 7 ms- Most balanced: @swc/core: 18.75 KB (48% shaved) in 31 ms- Honorable mention: oxc-minify: 19.24 KB (47% shaved) in 10 ms## Round 3: npm package "jquery" (84.50 KB gzipped)- Best gzip compression: terser: 30.86 KB (63% shaved) in 819 ms- Fastest: @tdewolff/minify: 31.45 KB (63% shaved) in 9 ms- Most balanced: @swc/core: 30.86 KB (63% shaved) in 56 ms- Honorable mention: oxc-minify: 30.93 KB (63% shaved) in 15 ms## Round 4: npm package "vue" (89.67 KB gzipped)- Best gzip compression: @swc/core: 42.73 KB (52% shaved) in 73 ms- Fastest: @tdewolff/minify: 44.37 KB (51% shaved) in 12 ms- Most balanced: @swc/core: 42.73 KB (52% shaved) in 73 ms- Honorable mention: oxc-minify: 43.23 KB (52% shaved) in 19 ms## Round 5: npm package "lodash" (96.69 KB gzipped)- Best gzip compression: uglify-js: 24.69 KB (74% shaved) in 1,697 ms- Fastest: @cminify/cminify-linux-x64: 35.94 KB (63% shaved) in 12 ms- Most balanced: @swc/core: 25.24 KB (74% shaved) in 55 ms- Honorable mention: oxc-minify: 25.90 KB (73% shaved) in 15 ms## Round 6: npm package "d3" (130.69 KB gzipped)- Best gzip compression: uglify-js: 87.02 KB (33% shaved) in 3,964 ms- Fastest: @cminify/cminify-linux-x64: 103.81 KB (21% shaved) in 21 ms- Most balanced: @swc/core: 87.22 KB (33% shaved) in 147 ms- Honorable mention: oxc-minify: 87.96 KB (33% shaved) in 44 ms## Round 7: npm package "terser" (193.76 KB gzipped)- Best gzip compression: oxc-minify: 122.02 KB (37% shaved) in 42 ms- Fastest: @cminify/cminify-linux-x64: 144.30 KB (26% shaved) in 23 ms- Most balanced: oxc-minify: 122.02 KB (37% shaved) in 42 ms- Honorable mention: @swc/core: 123.29 KB (36% shaved) in 138 ms## Round 8: npm package "three" (248.27 KB gzipped)- Best gzip compression: @swc/core: 158.75 KB (36% shaved) in 213 ms- Fastest: @cminify/cminify-linux-x64: 191.97 KB (23% shaved) in 23 ms- Most balanced: @swc/core: 158.75 KB (36% shaved) in 213 ms- Honorable mention: oxc-minify: 159.91 KB (36% shaved) in 65 ms## Round 9: npm package "victory" (309.94 KB gzipped)- Best gzip compression: uglify-js: 157.44 KB (49% shaved) in 6,600 ms- Fastest: @cminify/cminify-linux-x64: 221.12 KB (29% shaved) in 48 ms- Most balanced: @swc/core: 157.75 KB (49% shaved) in 318 ms- Honorable mention: oxc-minify: 160.89 KB (48% shaved) in 102 ms## Round 10: npm package "echarts" (684.61 KB gzipped)- Best gzip compression: @swc/core: 321.14 KB (53% shaved) in 603 ms- Fastest: @cminify/cminify-linux-x64: 434.45 KB (37% shaved) in 45 ms- Most balanced: oxc-minify: 323.10 KB (53% shaved) in 205 ms- Honorable mention: @tdewolff/minify: 331.79 KB (52% shaved) in 120 ms## Round 11: npm package "antd" (825.18 KB gzipped)- Best gzip compression: @swc/core: 452.40 KB (45% shaved) in 788 ms- Fastest: @cminify/cminify-linux-x64: 623.37 KB (24% shaved) in 73 ms- Most balanced: oxc-minify: 456.09 KB (45% shaved) in 283 ms- Honorable mention: @tdewolff/minify: 471.80 KB (43% shaved) in 138 ms## Round 12: npm package "typescript" (1.88 MB gzipped)- Best gzip compression: oxc-minify: 853.15 KB (55% shaved) in 581 ms- Fastest: @cminify/cminify-linux-x64: 1.13 MB (40% shaved) in 109 ms- Most balanced: oxc-minify: 853.15 KB (55% shaved) in 581 ms- Honorable mention: @tdewolff/minify: 875.82 KB (54% shaved) in 265 ms# Eliminated## babel-minifyFailed "d3" in minification stage:"unknown file: Cannot read properties of undefined (reading 'add')"## tedivm/jshrinkFailed "d3" in minification stage:"RuntimeException: Unclosed regex pattern at position: 289075 in /packages/minifiers/vendor/tedivm/jshrink/src/JShrink/Minifier.php:660"
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🏃♂️🏃♀️🏃 JS minification benchmarks: babel-minify, esbuild, terser, uglify-js, swc, google closure compiler, tdewolff/minify, oxc-minify
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