What's the best JavaScript minifier?
This project benchmarks the following minifiers:
Minifier | Version | Release date β |
---|---|---|
oxc-minify | 0.78.0 | 2025-07-24 |
google-closure-compiler | 20250721.0.0 | 2025-07-23 |
@swc/core | 1.13.2 | 2025-07-22 |
@tdewolff/minify | 2.23.10 | 2025-07-22 |
esbuild | 0.25.8 | 2025-07-19 |
bun | 1.2.19 | 2025-07-19 |
terser | 5.43.1 | 2025-06-19 |
uglify-js | 3.19.3 | 2024-08-29 |
babel-minify | 0.5.2 | 2022-05-06 |
tedivm/jshrink | 1.7.0 |
Benchmarks last updated on Jul 24, 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 via WhiteSource Renovate
- Benchmarks are updated on every PR via GitHub Actions
- The raw benchmark data is available in
/packages/data/data/data.json
Minifiers are ranked by smallest minzipped size.
Size of the minified output.
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.
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? βοΈ See the Minifier showdown
---
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 [19385,8177,8186,8216,8255,8448,8493,8543,8628,8661,8668,8739,11040]
Artifact | Original size | Gzip size | |
---|---|---|---|
react v17.0.2 (Source) | 72.13 kB |
19.39 kB |
|
Minifier | Minified size | Minzipped size | Time |
1. uglify-js | π-69% 22.64 kB |
π-58% 8.18 kB |
191x 497 ms |
2. @swc/core | -68% 22.81 kB |
-58% 8.19 kB |
4x 13 ms |
3. google-closure-compiler | -68% 22.84 kB |
-58% 8.22 kB |
1474x 3,825 ms |
4. terser | -68% 23.05 kB |
-57% 8.26 kB |
105x 275 ms |
5. babel-minify | -67% 23.60 kB |
-56% 8.45 kB |
249x 647 ms |
6. oxc-minify | -67% 23.52 kB |
-56% 8.49 kB |
1x 3 ms |
7. esbuild | -67% 23.70 kB |
-56% 8.54 kB |
5x 14 ms |
8. @tdewolff/minify | -67% 23.49 kB |
-55% 8.63 kB |
π 3 ms |
9. bun | -67% 23.99 kB |
-55% 8.66 kB |
5x 13 ms |
10. uglify-js (no compress) | -65% 25.03 kB |
-55% 8.67 kB |
35x 91 ms |
11. terser (no compress) | -65% 25.06 kB |
-55% 8.74 kB |
45x 118 ms |
12. tedivm/jshrink | -43% 40.82 kB |
-43% 11.04 kB |
47x 123 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 [36231,18568,18689,18747,18923,19119,19260,19333,19478,19569,19651,19857,24998]
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 | π-67% 57.73 kB |
π-49% 18.57 kB |
188x 1,149 ms |
2. terser | -66% 59.01 kB |
-48% 18.69 kB |
113x 693 ms |
3. @swc/core | -66% 58.42 kB |
-48% 18.75 kB |
5x 31 ms |
4. google-closure-compiler | -66% 58.29 kB |
-48% 18.92 kB |
626x 3,816 ms |
5. babel-minify | -66% 59.70 kB |
-47% 19.12 kB |
240x 1,465 ms |
6. oxc-minify | -66% 59.51 kB |
-47% 19.26 kB |
1x 9 ms |
7. esbuild | -66% 59.82 kB |
-47% 19.33 kB |
3x 22 ms |
8. @tdewolff/minify | -66% 59.87 kB |
-46% 19.48 kB |
π 6 ms |
9. uglify-js (no compress) | -64% 62.50 kB |
-46% 19.57 kB |
35x 215 ms |
10. terser (no compress) | -64% 63.01 kB |
-46% 19.65 kB |
47x 289 ms |
11. bun | -64% 61.84 kB |
-45% 19.86 kB |
2x 17 ms |
12. tedivm/jshrink | -44% 97.63 kB |
-31% 25.00 kB |
46x 282 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 [84498,30856,30866,30903,30966,31446,31470,31555,31799,31954,32653,33092,40879]
Artifact | Original size | Gzip size | |
---|---|---|---|
jquery v3.5.1 (Source) | 287.63 kB |
84.50 kB |
|
Minifier | Minified size | Minzipped size | Time |
1. terser | -69% 89.24 kB |
π-63% 30.86 kB |
116x 921 ms |
2. @swc/core | -69% 89.17 kB |
-63% 30.87 kB |
6x 48 ms |
3. uglify-js | π-69% 88.45 kB |
-63% 30.90 kB |
200x 1,593 ms |
4. oxc-minify | -69% 89.34 kB |
-63% 30.97 kB |
1x 15 ms |
5. @tdewolff/minify | -69% 89.68 kB |
-63% 31.45 kB |
π 8 ms |
6. uglify-js (no compress) | -67% 94.08 kB |
-63% 31.47 kB |
39x 314 ms |
7. terser (no compress) | -67% 94.26 kB |
-63% 31.56 kB |
46x 373 ms |
8. babel-minify | -68% 92.10 kB |
-62% 31.80 kB |
302x 2,398 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% 92.73 kB |
-61% 33.09 kB |
518x 4,112 ms |
12. tedivm/jshrink | -50% 144.14 kB |
-52% 40.88 kB |
45x 363 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 [89668,42730,42870,43036,43348,43925,44184,44358,44368,44450,44636,45400,57169]
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% 115.69 kB |
π-52% 42.73 kB |
5x 66 ms |
2. terser | -66% 116.60 kB |
-52% 42.87 kB |
92x 1,143 ms |
3. uglify-js | π-67% 113.80 kB |
-52% 43.04 kB |
178x 2,206 ms |
4. oxc-minify | -66% 117.22 kB |
-52% 43.35 kB |
1x 18 ms |
5. babel-minify | -66% 117.90 kB |
-51% 43.93 kB |
218x 2,696 ms |
6. google-closure-compiler | -66% 115.61 kB |
-51% 44.18 kB |
362x 4,476 ms |
7. @tdewolff/minify | -66% 117.69 kB |
-51% 44.36 kB |
π 12 ms |
8. esbuild | -65% 118.14 kB |
-51% 44.37 kB |
3x 42 ms |
9. uglify-js (no compress) | -63% 126.14 kB |
-50% 44.45 kB |
29x 364 ms |
10. terser (no compress) | -63% 126.39 kB |
-50% 44.64 kB |
35x 442 ms |
11. bun | -64% 121.50 kB |
-49% 45.40 kB |
2x 29 ms |
12. tedivm/jshrink | -42% 197.36 kB |
-36% 57.17 kB |
38x 479 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 [96690,24686,25022,25152,25240,25503,25862,25979,26187,26200,26498,26655,36327]
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 | π-87% 68.17 kB |
π-74% 24.69 kB |
134x 1,689 ms |
2. google-closure-compiler | -86% 73.50 kB |
-74% 25.02 kB |
330x 4,150 ms |
3. terser | -87% 70.41 kB |
-74% 25.15 kB |
81x 1,028 ms |
4. @swc/core | -87% 69.81 kB |
-74% 25.24 kB |
4x 53 ms |
5. babel-minify | -87% 72.37 kB |
-74% 25.50 kB |
165x 2,083 ms |
6. uglify-js (no compress) | -86% 74.61 kB |
-73% 25.86 kB |
26x 333 ms |
7. oxc-minify | -87% 71.38 kB |
-73% 25.98 kB |
1x 14 ms |
8. terser (no compress) | -86% 75.04 kB |
-73% 26.19 kB |
31x 393 ms |
9. esbuild | -87% 72.48 kB |
-73% 26.20 kB |
2x 35 ms |
10. @tdewolff/minify | -87% 71.90 kB |
-73% 26.50 kB |
π 13 ms |
11. bun | -87% 73.45 kB |
-72% 26.66 kB |
1x 23 ms |
12. tedivm/jshrink | -73% 148.78 kB |
-62% 36.33 kB |
29x 365 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 [130686,87016,87205,87997,88162,88319,89069,89882,90800,92395,94166]
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 | π-53% 263.56 kB |
π-33% 87.02 kB |
119x 3,927 ms |
2. @swc/core | -52% 265.22 kB |
-33% 87.21 kB |
4x 148 ms |
3. terser | -52% 267.42 kB |
-33% 88.00 kB |
71x 2,338 ms |
4. oxc-minify | -51% 270.91 kB |
-33% 88.16 kB |
1x 43 ms |
5. uglify-js (no compress) | -50% 275.35 kB |
-32% 88.32 kB |
21x 711 ms |
6. terser (no compress) | -50% 276.13 kB |
-32% 89.07 kB |
30x 1,020 ms |
7. @tdewolff/minify | -52% 269.35 kB |
-31% 89.88 kB |
π 33 ms |
8. esbuild | -51% 270.13 kB |
-31% 90.80 kB |
2x 69 ms |
9. bun | -51% 273.41 kB |
-29% 92.40 kB |
1x 47 ms |
10. google-closure-compiler | -51% 270.32 kB |
-28% 94.17 kB |
200x 6,588 ms |
11. babel-minify β Minification | β | β | - |
12. tedivm/jshrink β Minification | β | β | - |
---
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 [193763,122368,123259,123334,123346,124253,124609,124885,126454,126707,127653,145178]
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% 440.19 kB |
π-37% 122.37 kB |
1x 44 ms |
2. @swc/core | -55% 455.52 kB |
-36% 123.26 kB |
3x 134 ms |
3. uglify-js | -55% 451.19 kB |
-36% 123.33 kB |
107x 3,787 ms |
4. terser | -55% 456.59 kB |
-36% 123.35 kB |
63x 2,227 ms |
5. terser (no compress) | -53% 472.58 kB |
-36% 124.25 kB |
27x 966 ms |
6. uglify-js (no compress) | -53% 472.16 kB |
-36% 124.61 kB |
22x 778 ms |
7. @tdewolff/minify | -55% 456.59 kB |
-36% 124.89 kB |
π 35 ms |
8. google-closure-compiler | π-56% 439.97 kB |
-35% 126.45 kB |
173x 6,084 ms |
9. esbuild | -55% 458.89 kB |
-35% 126.71 kB |
1x 63 ms |
10. bun | -54% 466.80 kB |
-34% 127.65 kB |
1x 42 ms |
11. tedivm/jshrink | -37% 633.71 kB |
-25% 145.18 kB |
38x 1,341 ms |
12. babel-minify β Minification | β | β | - |
---
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 [248267,158751,159071,159165,160827,162771,163036,163181,163723,164610,166210,193471]
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% 643.03 kB |
π-36% 158.75 kB |
4x 221 ms |
2. uglify-js | π-49% 641.59 kB |
-36% 159.07 kB |
103x 5,046 ms |
3. terser | -48% 653.18 kB |
-36% 159.17 kB |
61x 2,985 ms |
4. oxc-minify | -48% 647.00 kB |
-35% 160.83 kB |
1x 63 ms |
5. google-closure-compiler | -48% 644.52 kB |
-34% 162.77 kB |
153x 7,471 ms |
6. uglify-js (no compress) | -46% 674.49 kB |
-34% 163.04 kB |
20x 994 ms |
7. terser (no compress) | -46% 675.43 kB |
-34% 163.18 kB |
26x 1,294 ms |
8. esbuild | -48% 646.76 kB |
-34% 163.72 kB |
1x 95 ms |
9. @tdewolff/minify | -48% 642.46 kB |
-34% 164.61 kB |
π 49 ms |
10. bun | -47% 655.93 kB |
-33% 166.21 kB |
1x 55 ms |
11. tedivm/jshrink | -24% 952.01 kB |
-22% 193.47 kB |
35x 1,715 ms |
12. babel-minify β 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 [309942,157435,157765,158459,162351,165014,166176,167579,181071,182671]
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 | π-67% 694.78 kB |
π-49% 157.44 kB |
115x 6,579 ms |
2. @swc/core | -67% 706.01 kB |
-49% 157.77 kB |
5x 338 ms |
3. terser | -67% 712.87 kB |
-49% 158.46 kB |
71x 4,042 ms |
4. oxc-minify | -66% 717.56 kB |
-48% 162.35 kB |
1x 87 ms |
5. @tdewolff/minify | -66% 717.07 kB |
-47% 165.01 kB |
π 57 ms |
6. terser (no compress) | -65% 756.62 kB |
-46% 166.18 kB |
27x 1,573 ms |
7. uglify-js (no compress) | -65% 756.53 kB |
-46% 167.58 kB |
23x 1,314 ms |
8. esbuild | -66% 724.14 kB |
-42% 181.07 kB |
2x 123 ms |
9. bun | -66% 727.90 kB |
-41% 182.67 kB |
1x 77 ms |
10. google-closure-compiler β Timed out | - | - | +10,000 ms |
11. babel-minify β Minification | β | β | - |
12. tedivm/jshrink β Post-validation | β | β | - |
---
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 [684611,321112,321556,324594,330348,331412,331563,331847,337934]
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 | π-69% 994.07 kB |
π-53% 321.11 kB |
5x 652 ms |
2. terser | -69% 998.45 kB |
-53% 321.56 kB |
51x 6,086 ms |
3. oxc-minify | -69% 1.01 MB |
-53% 324.59 kB |
1x 168 ms |
4. terser (no compress) | -67% 1.07 MB |
-52% 330.35 kB |
22x 2,684 ms |
5. uglify-js (no compress) | -67% 1.07 MB |
-52% 331.41 kB |
14x 1,756 ms |
6. esbuild | -68% 1.01 MB |
-52% 331.56 kB |
1x 205 ms |
7. @tdewolff/minify | -68% 1.01 MB |
-52% 331.85 kB |
π 119 ms |
8. bun | -68% 1.02 MB |
-51% 337.93 kB |
1x 126 ms |
9. babel-minify β Timed out | - | - | +10,000 ms |
10. uglify-js β Timed out | - | - | +10,000 ms |
11. google-closure-compiler β Timed out | - | - | +10,000 ms |
12. tedivm/jshrink β Minification | β | β | - |
---
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 [825175,452400,457352,460602,471791,474973,478572,488279,491833]
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 | π-68% 2.15 MB |
π-45% 452.40 kB |
6x 845 ms |
2. terser | -66% 2.24 MB |
-45% 457.35 kB |
50x 7,180 ms |
3. oxc-minify | -66% 2.25 MB |
-44% 460.60 kB |
1x 249 ms |
4. @tdewolff/minify | -66% 2.29 MB |
-43% 471.79 kB |
π 141 ms |
5. terser (no compress) | -64% 2.42 MB |
-42% 474.97 kB |
22x 3,144 ms |
6. uglify-js (no compress) | -64% 2.42 MB |
-42% 478.57 kB |
17x 2,525 ms |
7. esbuild | -65% 2.31 MB |
-41% 488.28 kB |
2x 312 ms |
8. bun | -66% 2.30 MB |
-40% 491.83 kB |
1x 171 ms |
9. babel-minify β Timed out | - | - | +10,000 ms |
10. tedivm/jshrink β Timed out | - | - | +10,000 ms |
11. uglify-js β Timed out | - | - | +10,000 ms |
12. google-closure-compiler β 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 [1884998,859050,860693,875817,876535,878642,915551]
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 | π-70% 3.31 MB |
π-54% 859.05 kB |
6x 1,728 ms |
2. oxc-minify | -69% 3.35 MB |
-54% 860.69 kB |
1x 489 ms |
3. @tdewolff/minify | -69% 3.35 MB |
-54% 875.82 kB |
π 265 ms |
4. uglify-js (no compress) | -68% 3.54 MB |
-53% 876.54 kB |
15x 4,029 ms |
5. terser (no compress) | -68% 3.53 MB |
-53% 878.64 kB |
20x 5,316 ms |
6. esbuild | -68% 3.49 MB |
-51% 915.55 kB |
1x 519 ms |
7. terser β Timed out | - | - | +10,000 ms |
8. babel-minify β Timed out | - | - | +10,000 ms |
9. uglify-js β Timed out | - | - | +10,000 ms |
10. tedivm/jshrink β Timed out | - | - | +10,000 ms |
11. google-closure-compiler β Timed out | - | - | +10,000 ms |
12. bun β Post-validation | β | β | - |
Note
π€ This analysis is AI generated
Welcome to the thrilling JavaScript minifier showdown! Itβs been an astonishing match-up of speed and size as we dissect which tool commands the ultimate balance of performance and compression for the modern dev.
The grand champion of this showdown is none other than @swc/core! With unmatched compression capabilities β consistently clinching top spots for gzip size in Round 4 (Vue, 48%), Round 8 (Three.js, 64%), and Round 11 (Ant Design, 55%) β itβs lightning-fast to boot. Clocking in as a speed demon on heavier files (19 ms for Smaller files and only 338 ms with **Victory, 309.44 files Art. Notably small until AntD-specific movers - Who?=BENCHMARK_TRAppsformation using largest?