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πŸƒβ€β™‚οΈπŸƒβ€β™€οΈπŸƒ JS minification benchmarks: babel-minify, esbuild, terser, uglify-js, swc, google closure compiler, tdewolff/minify

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minification benchmarks

What's the best JavaScript minifier?

This project benchmarks the following minifiers:

Benchmarks last updated on Feb 11, 2025.


πŸ™‹β€β™‚οΈ Why?

  1. To help you pick a minifier that fits your needs
  2. To promote JS minifiers and document their performances
  3. To encourage healthy competition and improvement amongst minifiers

πŸ‘Ÿ Methodology

  • Each minifier is executed in its own process with a 10s timeout
  • Artifact integrity is verified by a test before and after minification
  • Minifier upgrade PRs are automated via WhiteSource Renovate
  • Benchmarks are updated on every PR via GitHub Actions

⏱ Metrics

Minifiers are ranked by smallest minzipped size.

Minified size

Size of the minified output.

Minzipped size

Size of the minified output with Gzip 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.

Time

How long minification took (average of 5 runs). Each time is annotated with a multiplier relative to the fastest minifier.

πŸ“‹ Results

---
config:
    xyChart:
        width: 720
        height: 360
        xAxis:
            labelPadding: 20
        yAxis:
            labelPadding: 10
---
xychart-beta
	title "react v17.0.2"
	x-axis ["Original",1,2,3,4,5,6,7,8,9,10,11,12]
	y-axis "Gzip size" 0 --> 19385
	bar [19385,8173,8177,8193,8265,8448,8493,8543,8631,8661,8668,8746,11040]
Loading
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% 22.86 kB πŸ†-58% 8.17 kB 6x 17 ms
2. uglify-js πŸ†-69% 22.64 kB -58% 8.18 kB 203x 536 ms
3. google-closure-compiler -68% 22.83 kB -58% 8.19 kB 1241x 3,269 ms
4. terser -68% 23.07 kB -57% 8.27 kB 105x 278 ms
5. babel-minify -67% 23.60 kB -56% 8.45 kB 224x 590 ms
6. oxc-minify -67% 23.52 kB -56% 8.49 kB πŸ† 3 ms
7. esbuild -67% 23.70 kB -56% 8.54 kB 4x 12 ms
8. @tdewolff/minify -67% 23.53 kB -55% 8.63 kB 1x 3 ms
9. bun -67% 23.99 kB -55% 8.66 kB 5x 14 ms
10. uglify-js (no compress) -65% 25.03 kB -55% 8.67 kB 35x 95 ms
11. terser (no compress) -65% 25.08 kB -55% 8.75 kB 45x 121 ms
12. tedivm/jshrink -43% 40.82 kB -43% 11.04 kB 39x 105 ms

---
config:
    xyChart:
        width: 720
        height: 360
        xAxis:
            labelPadding: 20
        yAxis:
            labelPadding: 10
---
xychart-beta
	title "moment v2.29.1"
	x-axis ["Original",1,2,3,4,5,6,7,8,9,10,11,12]
	y-axis "Gzip size" 0 --> 36231
	bar [36231,18568,18690,18702,18910,19119,19260,19334,19496,19569,19683,19857,24998]
Loading
Artifact Original size Gzip size
moment v2.29.1 (Source) 173.90 kB 36.23 kB
Minifier Minified size Minzipped size Time
1. uglify-js πŸ†-67% 57.73 kB πŸ†-49% 18.57 kB 201x 1,181 ms
2. terser -66% 59.14 kB -48% 18.69 kB 115x 679 ms
3. @swc/core -66% 58.28 kB -48% 18.70 kB 7x 43 ms
4. google-closure-compiler -66% 58.27 kB -48% 18.91 kB 657x 3,856 ms
5. babel-minify -66% 59.70 kB -47% 19.12 kB 233x 1,367 ms
6. oxc-minify -66% 59.52 kB -47% 19.26 kB 1x 9 ms
7. esbuild -66% 59.82 kB -47% 19.33 kB 3x 18 ms
8. @tdewolff/minify -66% 59.95 kB -46% 19.50 kB πŸ† 6 ms
9. uglify-js (no compress) -64% 62.50 kB -46% 19.57 kB 36x 217 ms
10. terser (no compress) -64% 63.15 kB -46% 19.68 kB 47x 277 ms
11. bun -64% 61.84 kB -45% 19.86 kB 2x 18 ms
12. tedivm/jshrink -44% 97.63 kB -31% 25.00 kB 41x 246 ms

---
config:
    xyChart:
        width: 720
        height: 360
        xAxis:
            labelPadding: 20
        yAxis:
            labelPadding: 10
---
xychart-beta
	title "jquery v3.5.1"
	x-axis ["Original",1,2,3,4,5,6,7,8,9,10,11,12]
	y-axis "Gzip size" 0 --> 84498
	bar [84498,30879,30903,30912,30972,31468,31470,31621,31799,31954,32653,33086,40879]
Loading
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% 89.18 kB πŸ†-63% 30.88 kB 8x 77 ms
2. uglify-js πŸ†-69% 88.45 kB -63% 30.90 kB 188x 1,639 ms
3. terser -69% 89.54 kB -63% 30.91 kB 104x 906 ms
4. oxc-minify -69% 89.34 kB -63% 30.97 kB 1x 15 ms
5. @tdewolff/minify -69% 89.85 kB -63% 31.47 kB πŸ† 9 ms
6. uglify-js (no compress) -67% 94.08 kB -63% 31.47 kB 37x 324 ms
7. terser (no compress) -67% 94.55 kB -63% 31.62 kB 42x 366 ms
8. babel-minify -68% 92.10 kB -62% 31.80 kB 259x 2,255 ms
9. esbuild -69% 90.07 kB -62% 31.95 kB 4x 36 ms
10. bun -68% 92.55 kB -61% 32.65 kB 3x 28 ms
11. google-closure-compiler -68% 92.70 kB -61% 33.09 kB 501x 4,363 ms
12. tedivm/jshrink -50% 144.14 kB -52% 40.88 kB 36x 315 ms

---
config:
    xyChart:
        width: 720
        height: 360
        xAxis:
            labelPadding: 20
        yAxis:
            labelPadding: 10
---
xychart-beta
	title "vue v2.6.12"
	x-axis ["Original",1,2,3,4,5,6,7,8,9,10,11,12]
	y-axis "Gzip size" 0 --> 89668
	bar [89668,42725,42919,43036,43373,43925,44230,44368,44376,44450,44679,45400,57169]
Loading
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% 115.78 kB πŸ†-52% 42.73 kB 7x 100 ms
2. terser -66% 116.80 kB -52% 42.92 kB 88x 1,128 ms
3. uglify-js πŸ†-67% 113.80 kB -52% 43.04 kB 178x 2,282 ms
4. oxc-minify -66% 117.25 kB -52% 43.37 kB 1x 18 ms
5. babel-minify -66% 117.90 kB -51% 43.93 kB 193x 2,476 ms
6. google-closure-compiler -66% 115.61 kB -51% 44.23 kB 368x 4,717 ms
7. esbuild -65% 118.14 kB -51% 44.37 kB 3x 40 ms
8. @tdewolff/minify -66% 117.81 kB -51% 44.38 kB πŸ† 13 ms
9. uglify-js (no compress) -63% 126.14 kB -50% 44.45 kB 29x 375 ms
10. terser (no compress) -63% 126.58 kB -50% 44.68 kB 34x 443 ms
11. bun -64% 121.50 kB -49% 45.40 kB 2x 30 ms
12. tedivm/jshrink -42% 197.36 kB -36% 57.17 kB 32x 416 ms

---
config:
    xyChart:
        width: 720
        height: 360
        xAxis:
            labelPadding: 20
        yAxis:
            labelPadding: 10
---
xychart-beta
	title "lodash v4.17.21"
	x-axis ["Original",1,2,3,4,5,6,7,8,9,10,11,12]
	y-axis "Gzip size" 0 --> 96690
	bar [96690,24686,24972,25186,25210,25503,25862,25979,26200,26221,26498,26655,36327]
Loading
Artifact Original size Gzip size
lodash v4.17.21 (Source) 544.09 kB 96.69 kB
Minifier Minified size Minzipped size Time
1. uglify-js πŸ†-87% 68.17 kB πŸ†-74% 24.69 kB 142x 1,756 ms
2. google-closure-compiler -86% 73.47 kB -74% 24.97 kB 376x 4,633 ms
3. terser -87% 70.67 kB -74% 25.19 kB 78x 967 ms
4. @swc/core -87% 69.89 kB -74% 25.21 kB 6x 79 ms
5. babel-minify -87% 72.37 kB -74% 25.50 kB 157x 1,940 ms
6. uglify-js (no compress) -86% 74.61 kB -73% 25.86 kB 27x 341 ms
7. oxc-minify -87% 71.38 kB -73% 25.98 kB 1x 14 ms
8. esbuild -87% 72.48 kB -73% 26.20 kB 2x 29 ms
9. terser (no compress) -86% 75.29 kB -73% 26.22 kB 31x 385 ms
10. @tdewolff/minify -87% 71.90 kB -73% 26.50 kB πŸ† 12 ms
11. bun -87% 73.45 kB -72% 26.66 kB 1x 24 ms
12. tedivm/jshrink -73% 148.78 kB -62% 36.33 kB 26x 328 ms

---
config:
    xyChart:
        width: 720
        height: 360
        xAxis:
            labelPadding: 20
        yAxis:
            labelPadding: 10
---
xychart-beta
	title "d3 v6.3.1"
	x-axis ["Original",1,2,3,4,5,6,7,8,9,10]
	y-axis "Gzip size" 0 --> 130686
	bar [130686,87016,87224,88087,88164,88319,89156,89891,90800,92395,94121]
Loading
Artifact Original size Gzip size
d3 v6.3.1 (Source) 555.77 kB 130.69 kB
Minifier Minified size Minzipped size Time
1. uglify-js πŸ†-53% 263.56 kB πŸ†-33% 87.02 kB 123x 4,067 ms
2. @swc/core -52% 265.33 kB -33% 87.22 kB 6x 207 ms
3. terser -52% 267.77 kB -33% 88.09 kB 70x 2,315 ms
4. oxc-minify -51% 270.83 kB -33% 88.16 kB 1x 41 ms
5. uglify-js (no compress) -50% 275.35 kB -32% 88.32 kB 22x 749 ms
6. terser (no compress) -50% 276.47 kB -32% 89.16 kB 31x 1,027 ms
7. @tdewolff/minify -51% 269.93 kB -31% 89.89 kB πŸ† 33 ms
8. esbuild -51% 270.13 kB -31% 90.80 kB 2x 71 ms
9. bun -51% 273.41 kB -29% 92.40 kB 1x 50 ms
10. google-closure-compiler -51% 270.30 kB -28% 94.12 kB 215x 7,110 ms
11. babel-minify ❌ Minification ❌ ❌ -
12. tedivm/jshrink ❌ Minification ❌ ❌ -

---
config:
    xyChart:
        width: 720
        height: 360
        xAxis:
            labelPadding: 20
        yAxis:
            labelPadding: 10
---
xychart-beta
	title "terser v5.30.3"
	x-axis ["Original",1,2,3,4,5,6,7,8,9,10,11]
	y-axis "Gzip size" 0 --> 193763
	bar [193763,122365,123127,123334,123482,124428,124609,124897,126562,126707,127653,145178]
Loading
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% 440.17 kB πŸ†-37% 122.37 kB 1x 44 ms
2. @swc/core -55% 455.69 kB -36% 123.13 kB 5x 187 ms
3. uglify-js -55% 451.19 kB -36% 123.33 kB 120x 3,878 ms
4. terser -55% 458.29 kB -36% 123.48 kB 69x 2,239 ms
5. terser (no compress) -53% 474.40 kB -36% 124.43 kB 30x 986 ms
6. uglify-js (no compress) -53% 472.16 kB -36% 124.61 kB 24x 790 ms
7. @tdewolff/minify -55% 456.70 kB -36% 124.90 kB πŸ† 32 ms
8. google-closure-compiler πŸ†-56% 439.95 kB -35% 126.56 kB 206x 6,631 ms
9. esbuild -55% 458.89 kB -35% 126.71 kB 1x 64 ms
10. bun -54% 466.80 kB -34% 127.65 kB 1x 45 ms
11. tedivm/jshrink -37% 633.71 kB -25% 145.18 kB 36x 1,185 ms
12. babel-minify ❌ Minification ❌ ❌ -

---
config:
    xyChart:
        width: 720
        height: 360
        xAxis:
            labelPadding: 20
        yAxis:
            labelPadding: 10
---
xychart-beta
	title "three v0.124.0"
	x-axis ["Original",1,2,3,4,5,6,7,8,9,10,11]
	y-axis "Gzip size" 0 --> 248267
	bar [248267,158750,159071,159198,160821,162998,163036,163198,163725,164737,166210,193471]
Loading
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% 643.17 kB πŸ†-36% 158.75 kB 5x 282 ms
2. uglify-js πŸ†-49% 641.59 kB -36% 159.07 kB 103x 5,130 ms
3. terser -48% 653.25 kB -36% 159.20 kB 60x 2,995 ms
4. oxc-minify -48% 647.05 kB -35% 160.82 kB 1x 64 ms
5. google-closure-compiler -48% 644.45 kB -34% 163.00 kB 165x 8,208 ms
6. uglify-js (no compress) -46% 674.49 kB -34% 163.04 kB 20x 1,015 ms
7. terser (no compress) -46% 675.50 kB -34% 163.20 kB 26x 1,302 ms
8. esbuild -48% 646.76 kB -34% 163.73 kB 1x 90 ms
9. @tdewolff/minify -48% 644.55 kB -34% 164.74 kB πŸ† 50 ms
10. bun -47% 655.93 kB -33% 166.21 kB 1x 59 ms
11. tedivm/jshrink -24% 952.01 kB -22% 193.47 kB 30x 1,519 ms
12. babel-minify ❌ Timed out - - ⚠️ +10,000 ms

---
config:
    xyChart:
        width: 720
        height: 360
        xAxis:
            labelPadding: 20
        yAxis:
            labelPadding: 10
---
xychart-beta
	title "victory v35.8.4"
	x-axis ["Original",1,2,3,4,5,6,7,8,9]
	y-axis "Gzip size" 0 --> 309942
	bar [309942,157435,157923,158706,162266,165131,166386,167579,181071,182671]
Loading
Artifact Original size Gzip size
victory v35.8.4 (Source) 2.13 MB 309.94 kB
Minifier Minified size Minzipped size Time
1. uglify-js πŸ†-67% 694.78 kB πŸ†-49% 157.44 kB 116x 6,627 ms
2. @swc/core -67% 707.82 kB -49% 157.92 kB 7x 427 ms
3. terser -66% 715.58 kB -49% 158.71 kB 70x 3,984 ms
4. oxc-minify -66% 716.14 kB -48% 162.27 kB 1x 89 ms
5. @tdewolff/minify -66% 718.73 kB -47% 165.13 kB πŸ† 57 ms
6. terser (no compress) -64% 759.34 kB -46% 166.39 kB 28x 1,626 ms
7. uglify-js (no compress) -65% 756.53 kB -46% 167.58 kB 23x 1,345 ms
8. esbuild -66% 724.14 kB -42% 181.07 kB 2x 122 ms
9. bun -66% 727.90 kB -41% 182.67 kB 1x 82 ms
10. google-closure-compiler ❌ Timed out - - ⚠️ +10,000 ms
11. babel-minify ❌ Minification ❌ ❌ -
12. tedivm/jshrink ❌ Post-validation ❌ ❌ -

---
config:
    xyChart:
        width: 720
        height: 360
        xAxis:
            labelPadding: 20
        yAxis:
            labelPadding: 10
---
xychart-beta
	title "echarts v5.1.1"
	x-axis ["Original",1,2,3,4,5,6,7,8]
	y-axis "Gzip size" 0 --> 684611
	bar [684611,321321,321987,324641,330736,331412,331563,331791,337934]
Loading
Artifact Original size Gzip size
echarts v5.1.1 (Source) 3.20 MB 684.61 kB
Minifier Minified size Minzipped size Time
1. @swc/core πŸ†-69% 994.74 kB πŸ†-53% 321.32 kB 6x 762 ms
2. terser -69% 1.00 MB -53% 321.99 kB 50x 6,079 ms
3. oxc-minify -69% 1.01 MB -53% 324.64 kB 1x 182 ms
4. terser (no compress) -66% 1.07 MB -52% 330.74 kB 22x 2,683 ms
5. uglify-js (no compress) -67% 1.07 MB -52% 331.41 kB 14x 1,776 ms
6. esbuild -68% 1.01 MB -52% 331.56 kB 1x 193 ms
7. @tdewolff/minify -68% 1.01 MB -52% 331.79 kB πŸ† 120 ms
8. bun -68% 1.02 MB -51% 337.93 kB 1x 131 ms
9. babel-minify ❌ Timed out - - ⚠️ +10,000 ms
10. google-closure-compiler ❌ Timed out - - ⚠️ +10,000 ms
11. uglify-js ❌ Timed out - - ⚠️ +10,000 ms
12. tedivm/jshrink ❌ Minification ❌ ❌ -

---
config:
    xyChart:
        width: 720
        height: 360
        xAxis:
            labelPadding: 20
        yAxis:
            labelPadding: 10
---
xychart-beta
	title "antd v4.16.1"
	x-axis ["Original",1,2,3,4,5,6,7,8]
	y-axis "Gzip size" 0 --> 825175
	bar [825175,453313,457786,463358,472044,475480,478572,488279,491833]
Loading
Artifact Original size Gzip size
antd v4.16.1 (Source) 6.67 MB 825.18 kB
Minifier Minified size Minzipped size Time
1. @swc/core πŸ†-68% 2.15 MB πŸ†-45% 453.31 kB 7x 1,116 ms
2. terser -66% 2.25 MB -45% 457.79 kB 48x 6,915 ms
3. oxc-minify -66% 2.28 MB -44% 463.36 kB 1x 246 ms
4. @tdewolff/minify -66% 2.30 MB -43% 472.04 kB πŸ† 143 ms
5. terser (no compress) -64% 2.43 MB -42% 475.48 kB 21x 3,084 ms
6. uglify-js (no compress) -64% 2.42 MB -42% 478.57 kB 17x 2,504 ms
7. esbuild -65% 2.31 MB -41% 488.28 kB 2x 290 ms
8. bun -66% 2.30 MB -40% 491.83 kB 1x 183 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. uglify-js ❌ Timed out - - ⚠️ +10,000 ms

---
config:
    xyChart:
        width: 720
        height: 360
        xAxis:
            labelPadding: 20
        yAxis:
            labelPadding: 10
---
xychart-beta
	title "typescript v4.9.5"
	x-axis ["Original",1,2,3,4,5,6]
	y-axis "Gzip size" 0 --> 1884998
	bar [1884998,859456,860734,876535,876658,879301,915551]
Loading
Artifact Original size Gzip size
typescript v4.9.5 (Source) 10.95 MB 1.88 MB
Minifier Minified size Minzipped size Time
1. @swc/core πŸ†-70% 3.33 MB πŸ†-54% 859.46 kB 7x 2,105 ms
2. oxc-minify -69% 3.35 MB -54% 860.73 kB 1x 462 ms
3. uglify-js (no compress) -68% 3.54 MB -53% 876.54 kB 14x 3,928 ms
4. @tdewolff/minify -69% 3.36 MB -53% 876.66 kB πŸ† 267 ms
5. terser (no compress) -68% 3.53 MB -53% 879.30 kB 19x 5,297 ms
6. esbuild -68% 3.49 MB -51% 915.55 kB 1x 487 ms
7. terser ❌ Timed out - - ⚠️ +10,000 ms
8. babel-minify ❌ Timed out - - ⚠️ +10,000 ms
9. google-closure-compiler ❌ Timed out - - ⚠️ +10,000 ms
10. uglify-js ❌ Timed out - - ⚠️ +10,000 ms
11. tedivm/jshrink ❌ Minification ❌ ❌ -
12. bun ❌ Post-validation ❌ ❌ -

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πŸƒβ€β™‚οΈπŸƒβ€β™€οΈπŸƒ JS minification benchmarks: babel-minify, esbuild, terser, uglify-js, swc, google closure compiler, tdewolff/minify

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