What's the best JavaScript minifier?
This project benchmarks the following minifiers:
Minifier | Version | Release date ↓ |
---|---|---|
@swc/core | 1.13.5 | 2025-08-24 |
google-closure-compiler | 20250820.0.0 | 2025-08-22 |
@tdewolff/minify | 2.24.0 | 2025-08-20 |
oxc-minify | 0.82.3 | 2025-08-20 |
esbuild | 0.25.9 | 2025-08-12 |
bun | 1.2.20 | 2025-08-10 |
@cminify/cminify-linux-x64 | 3.0.1 | 2025-07-27 |
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 | 1.8.0 |
Benchmarks last updated on Aug 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
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 a logistic sigmoid function, up to a 50/50 split. This avoids harsh cutoffs while still penalizing extreme slowness.
Both size and time are scaled using min-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 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? ⚔️ See the Minifier 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 |
4x 12 ms |
2. oxc-minify | -68% 23.41 KB |
-56% 8.47 KB |
1x 3 ms |
3. esbuild | -67% 23.70 KB |
-56% 8.54 KB |
5x 15 ms |
4. @tdewolff/minify | -67% 23.49 KB |
-55% 8.63 KB |
🏆 3 ms |
5. uglify-js (no compress) | -65% 25.03 KB |
-55% 8.67 KB |
34x 91 ms |
6. terser | -68% 23.05 KB |
-57% 8.26 KB |
105x 275 ms |
7. bun | -67% 23.99 KB |
-55% 8.66 KB |
5x 13 ms |
8. terser (no compress) | -65% 25.06 KB |
-55% 8.74 KB |
45x 118 ms |
9. uglify-js | 🏆-69% 22.64 KB |
🏆-58% 8.18 KB |
190x 497 ms |
10. babel-minify | -67% 23.60 KB |
-56% 8.45 KB |
248x 647 ms |
11. google-closure-compiler | -68% 22.84 KB |
-58% 8.22 KB |
401x 1,047 ms |
12. tedivm/jshrink | -43% 40.82 KB |
-43% 11.04 KB |
48x 126 ms |
13. @cminify/cminify-linux-x64 | -44% 40.04 KB |
-44% 10.86 KB |
4x 12 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 |
4x 29 ms |
2. oxc-minify | -66% 59.48 KB |
-47% 19.26 KB |
1x 8 ms |
3. esbuild | -66% 59.82 KB |
-47% 19.33 KB |
3x 20 ms |
4. @tdewolff/minify | -66% 59.87 KB |
-46% 19.48 KB |
🏆 6 ms |
5. uglify-js (no compress) | -64% 62.50 KB |
-46% 19.57 KB |
37x 215 ms |
6. bun | -64% 61.84 KB |
-45% 19.86 KB |
2x 17 ms |
7. terser (no compress) | -64% 63.01 KB |
-46% 19.65 KB |
49x 289 ms |
8. terser | -66% 59.01 KB |
-48% 18.69 KB |
119x 693 ms |
9. uglify-js | 🏆-67% 57.73 KB |
🏆-49% 18.57 KB |
198x 1,149 ms |
10. google-closure-compiler | -66% 58.29 KB |
-48% 18.92 KB |
212x 1,229 ms |
11. babel-minify | -66% 59.70 KB |
-47% 19.12 KB |
253x 1,465 ms |
12. tedivm/jshrink | -44% 97.63 KB |
-31% 25.00 KB |
49x 284 ms |
13. @cminify/cminify-linux-x64 | -45% 95.93 KB |
-32% 24.74 KB |
1x 10 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% 30.87 KB |
5x 45 ms |
2. oxc-minify | -69% 89.34 KB |
-63% 30.97 KB |
1x 14 ms |
3. @tdewolff/minify | -69% 89.68 KB |
-63% 31.45 KB |
🏆 8 ms |
4. uglify-js (no compress) | -67% 94.08 KB |
-63% 31.47 KB |
38x 314 ms |
5. esbuild | -69% 90.07 KB |
-62% 31.96 KB |
4x 36 ms |
6. terser (no compress) | -67% 94.26 KB |
-63% 31.56 KB |
45x 373 ms |
7. bun | -68% 92.55 KB |
-61% 32.65 KB |
3x 27 ms |
8. terser | -69% 89.24 KB |
🏆-63% 30.86 KB |
111x 921 ms |
9. uglify-js | 🏆-69% 88.45 KB |
-63% 30.90 KB |
193x 1,593 ms |
10. google-closure-compiler | -68% 92.73 KB |
-61% 33.09 KB |
164x 1,357 ms |
11. babel-minify | -68% 92.10 KB |
-62% 31.80 KB |
291x 2,398 ms |
12. tedivm/jshrink | -50% 144.14 KB |
-52% 40.88 KB |
43x 361 ms |
13. @cminify/cminify-linux-x64 | -51% 141.45 KB |
-52% 40.37 KB |
2x 22 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% 115.69 KB |
🏆-52% 42.73 KB |
4x 62 ms |
2. oxc-minify | -66% 117.22 KB |
-52% 43.35 KB |
1x 17 ms |
3. @tdewolff/minify | -66% 117.69 KB |
-51% 44.36 KB |
🏆 13 ms |
4. esbuild | -65% 118.14 KB |
-51% 44.37 KB |
3x 41 ms |
5. uglify-js (no compress) | -63% 126.14 KB |
-50% 44.45 KB |
28x 364 ms |
6. terser (no compress) | -63% 126.39 KB |
-50% 44.64 KB |
34x 442 ms |
7. bun | -64% 121.50 KB |
-49% 45.40 KB |
2x 30 ms |
8. terser | -66% 116.60 KB |
-52% 42.87 KB |
90x 1,143 ms |
9. google-closure-compiler | -66% 115.61 KB |
-51% 44.18 KB |
116x 1,472 ms |
10. uglify-js | 🏆-67% 113.80 KB |
-52% 43.04 KB |
173x 2,206 ms |
11. babel-minify | -66% 117.90 KB |
-51% 43.93 KB |
212x 2,696 ms |
12. tedivm/jshrink | -42% 197.36 KB |
-36% 57.17 KB |
37x 478 ms |
13. @cminify/cminify-linux-x64 | -43% 193.91 KB |
-37% 56.36 KB |
1x 23 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% 69.81 KB |
-74% 25.24 KB |
4x 50 ms |
2. oxc-minify | -87% 71.38 KB |
-73% 25.98 KB |
1x 12 ms |
3. esbuild | -87% 72.50 KB |
-73% 26.20 KB |
3x 34 ms |
4. uglify-js (no compress) | -86% 74.61 KB |
-73% 25.86 KB |
30x 333 ms |
5. @tdewolff/minify | -87% 71.90 KB |
-73% 26.50 KB |
🏆 11 ms |
6. bun | -87% 73.45 KB |
-72% 26.66 KB |
2x 22 ms |
7. terser (no compress) | -86% 75.04 KB |
-73% 26.19 KB |
36x 393 ms |
8. terser | -87% 70.41 KB |
-74% 25.15 KB |
94x 1,028 ms |
9. google-closure-compiler | -86% 73.50 KB |
-74% 25.02 KB |
140x 1,531 ms |
10. uglify-js | 🏆-87% 68.17 KB |
🏆-74% 24.69 KB |
155x 1,689 ms |
11. babel-minify | -87% 72.37 KB |
-74% 25.50 KB |
191x 2,083 ms |
12. tedivm/jshrink | -73% 148.78 KB |
-62% 36.33 KB |
34x 371 ms |
13. @cminify/cminify-linux-x64 | -73% 146.27 KB |
-63% 35.94 KB |
1x 13 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% 87.21 KB |
4x 134 ms |
2. oxc-minify | -51% 270.86 KB |
-33% 88.13 KB |
1x 40 ms |
3. uglify-js (no compress) | -50% 275.35 KB |
-32% 88.32 KB |
25x 711 ms |
4. @tdewolff/minify | -52% 269.35 KB |
-31% 89.88 KB |
1x 33 ms |
5. terser (no compress) | -50% 276.13 KB |
-32% 89.07 KB |
36x 1,020 ms |
6. esbuild | -51% 270.21 KB |
-31% 90.81 KB |
2x 68 ms |
7. bun | -51% 273.41 KB |
-29% 92.40 KB |
1x 46 ms |
8. terser | -52% 267.42 KB |
-33% 88.00 KB |
83x 2,338 ms |
9. google-closure-compiler | -51% 270.32 KB |
-28% 94.17 KB |
79x 2,240 ms |
10. uglify-js | 🏆-53% 263.56 KB |
🏆-33% 87.02 KB |
140x 3,927 ms |
11. @cminify/cminify-linux-x64 | -29% 393.70 KB |
-21% 103.81 KB |
🏆 28 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% 440.04 KB |
🏆-37% 122.26 KB |
1x 41 ms |
2. @swc/core | -55% 455.52 KB |
-36% 123.26 KB |
5x 123 ms |
3. @tdewolff/minify | -55% 456.59 KB |
-36% 124.89 KB |
1x 33 ms |
4. uglify-js (no compress) | -53% 472.16 KB |
-36% 124.61 KB |
33x 778 ms |
5. esbuild | -55% 458.93 KB |
-35% 126.71 KB |
2x 62 ms |
6. terser (no compress) | -53% 472.58 KB |
-36% 124.25 KB |
41x 966 ms |
7. bun | -54% 466.80 KB |
-34% 127.65 KB |
1x 41 ms |
8. terser | -55% 456.59 KB |
-36% 123.35 KB |
95x 2,227 ms |
9. google-closure-compiler | 🏆-56% 439.97 KB |
-35% 126.45 KB |
91x 2,141 ms |
10. uglify-js | -55% 451.19 KB |
-36% 123.33 KB |
162x 3,787 ms |
11. tedivm/jshrink | -37% 633.71 KB |
-25% 145.18 KB |
57x 1,337 ms |
12. @cminify/cminify-linux-x64 | -38% 625.93 KB |
-26% 144.30 KB |
🏆 23 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% 643.03 KB |
🏆-36% 158.75 KB |
7x 187 ms |
2. oxc-minify | -48% 646.98 KB |
-35% 160.82 KB |
2x 59 ms |
3. esbuild | -48% 646.93 KB |
-34% 163.75 KB |
3x 88 ms |
4. @tdewolff/minify | -48% 642.46 KB |
-34% 164.61 KB |
2x 49 ms |
5. uglify-js (no compress) | -46% 674.49 KB |
-34% 163.04 KB |
41x 994 ms |
6. bun | -47% 655.93 KB |
-33% 166.21 KB |
2x 53 ms |
7. terser (no compress) | -46% 675.43 KB |
-34% 163.18 KB |
53x 1,294 ms |
8. terser | -48% 653.18 KB |
-36% 159.17 KB |
124x 2,985 ms |
9. google-closure-compiler | -48% 644.52 KB |
-34% 162.77 KB |
135x 3,253 ms |
10. uglify-js | 🏆-49% 641.59 KB |
-36% 159.07 KB |
209x 5,046 ms |
11. tedivm/jshrink | -24% 952.01 KB |
-22% 193.47 KB |
71x 1,714 ms |
12. @cminify/cminify-linux-x64 | -25% 941.06 KB |
-23% 191.97 KB |
🏆 24 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% 705.99 KB |
-49% 157.75 KB |
7x 261 ms |
2. oxc-minify | -66% 715.37 KB |
-48% 162.13 KB |
2x 88 ms |
3. @tdewolff/minify | -66% 717.07 KB |
-47% 165.01 KB |
1x 54 ms |
4. uglify-js (no compress) | -65% 756.53 KB |
-46% 167.58 KB |
38x 1,314 ms |
5. terser (no compress) | -65% 756.62 KB |
-46% 166.18 KB |
45x 1,573 ms |
6. terser | -67% 712.87 KB |
-49% 158.46 KB |
118x 4,042 ms |
7. esbuild | -66% 725.65 KB |
-42% 181.23 KB |
3x 122 ms |
8. bun | -66% 727.90 KB |
-41% 182.67 KB |
2x 73 ms |
9. google-closure-compiler | -67% 705.93 KB |
-43% 175.47 KB |
110x 3,799 ms |
10. uglify-js | 🏆-67% 694.78 KB |
🏆-49% 157.44 KB |
192x 6,579 ms |
11. @cminify/cminify-linux-x64 | -33% 1.43 MB |
-29% 221.12 KB |
🏆 34 ms |
12. babel-minify ❌ Minification | ❌ | ❌ | - |
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% 1.01 MB |
-53% 324.48 KB |
3x 169 ms |
2. @swc/core | -69% 994.07 KB |
🏆-53% 321.11 KB |
11x 541 ms |
3. @tdewolff/minify | -68% 1.01 MB |
-52% 331.85 KB |
2x 116 ms |
4. esbuild | -68% 1.01 MB |
-52% 331.62 KB |
4x 188 ms |
5. bun | -68% 1.02 MB |
-51% 337.93 KB |
2x 118 ms |
6. uglify-js (no compress) | -67% 1.07 MB |
-52% 331.41 KB |
38x 1,756 ms |
7. terser (no compress) | -67% 1.07 MB |
-52% 330.35 KB |
58x 2,684 ms |
8. google-closure-compiler | 🏆-69% 991.09 KB |
-52% 328.04 KB |
112x 5,146 ms |
9. terser | -69% 998.45 KB |
-53% 321.56 KB |
132x 6,086 ms |
10. @cminify/cminify-linux-x64 | -45% 1.77 MB |
-37% 434.45 KB |
🏆 46 ms |
11. babel-minify ❌ Timed out | - | - | +10,000 ms |
12. uglify-js ❌ Timed out | - | - | +10,000 ms |
13. tedivm/jshrink ❌ Minification | ❌ | ❌ | - |
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% 2.23 MB |
-44% 459.17 KB |
3x 239 ms |
2. @swc/core | 🏆-68% 2.15 MB |
🏆-45% 452.40 KB |
9x 683 ms |
3. @tdewolff/minify | -66% 2.29 MB |
-43% 471.79 KB |
1x 135 ms |
4. esbuild | -65% 2.31 MB |
-41% 488.42 KB |
4x 300 ms |
5. bun | -66% 2.30 MB |
-40% 491.83 KB |
2x 163 ms |
6. uglify-js (no compress) | -64% 2.42 MB |
-42% 478.57 KB |
34x 2,525 ms |
7. terser (no compress) | -64% 2.42 MB |
-42% 474.97 KB |
42x 3,144 ms |
8. terser | -66% 2.24 MB |
-45% 457.35 KB |
97x 7,180 ms |
9. @cminify/cminify-linux-x64 | -34% 4.43 MB |
-24% 623.37 KB |
🏆 74 ms |
10. tedivm/jshrink | -33% 4.45 MB |
-24% 626.68 KB |
98x 7,276 ms |
11. babel-minify ❌ Timed out | - | - | +10,000 ms |
12. uglify-js ❌ Timed out | - | - | +10,000 ms |
13. google-closure-compiler ❌ 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 | -69% 3.35 MB |
-54% 860.33 KB |
4x 444 ms |
2. @tdewolff/minify | -69% 3.35 MB |
-54% 875.82 KB |
2x 262 ms |
3. @swc/core | 🏆-70% 3.31 MB |
🏆-54% 859.04 KB |
13x 1,526 ms |
4. esbuild | -68% 3.49 MB |
-51% 915.59 KB |
4x 491 ms |
5. uglify-js (no compress) | -68% 3.54 MB |
-53% 876.54 KB |
36x 4,029 ms |
6. terser (no compress) | -68% 3.53 MB |
-53% 878.64 KB |
47x 5,316 ms |
7. @cminify/cminify-linux-x64 | -47% 5.85 MB |
-40% 1.13 MB |
🏆 111 ms |
8. terser ❌ Timed out | - | - | +10,000 ms |
9. babel-minify ❌ Timed out | - | - | +10,000 ms |
10. uglify-js ❌ Timed out | - | - | +10,000 ms |
11. tedivm/jshrink ❌ Timed out | - | - | +10,000 ms |
12. google-closure-compiler ❌ Timed out | - | - | +10,000 ms |
13. bun ❌ Post-validation | ❌ | ❌ | - |
Note
🤖 This analysis is AI generated. See below for the system prompt.
Three... two... one... compress! Welcome to the Minification Grand Prix, where every byte counts and every millisecond matters. This field was tight, noisy, and full of surprises. Old-school slicers fought new-school sprinters. Libraries that are tiny felt the pinch differently than monoliths the size of a small moon. Let’s tell the story the numbers actually wrote.
@swc/core takes the crown. It tied for the most "best gzip" wins, but it won the rounds that mattered most—the big ones. For echarts, antd, and typescript (hundreds of KB to nearly 2 MB), @swc/core produced the smallest transfer sizes and kept wall-clock times sensible (541 ms, 683 ms, 1,526 ms). That combination of near-top compression and real-world speed on large artifacts makes it the practical champion: you save bandwidth where it hurts and you don't stall CI or rebuilds for minutes.
- uglify-js dazzled on small-to-medium packages and grabbed five best-compression wins. It’s a great shrinker when absolute smallest gzipped output is the only metric, but it often paid by being dramatically slower on the larger targets.
- @tdewolff/minify is a speed demon. Blindingly fast across the board and surprisingly close on compression for small libraries. Perfect if build time is king and you’re willing to accept tiny extra bytes.
- oxc-minify balanced both worlds nicely and even took top spot on the “terser” package. It’s consistently competitive on larger artifacts while staying quick.
- @cminify/cminify-linux-x64 is the sprinter for raw throughput: fastest on many large files but with noticeably worse gzip sizes. Great for massive parallel CI where time beats bandwidth.
- terser took the crown on jquery and is still a solid contender for mid-sized bundles.
- babel-minify — crashed on "d3": "Cannot read properties of undefined (reading 'add')".
- tedivm/jshrink — failed on "d3": "Unclosed regex pattern".
- bun — post-validation mismatch on "typescript" (line-ending difference caused validation failure).
Benchmarks told a focused story: gzip size and speed. Real-world choices also hinge on API, ecosystem, compatibility, and correctness. If you ship bytes over the wire, @swc/core is the pragmatic winner here. If you tune for raw speed, reach for @tdewolff/minify or @cminify. If you must squeeze the last kilobyte and can tolerate long runs, uglify-js still earns applause. Pick the tool that fits your trade-offs, and may your payloads be tiny and your builds be swift.
System prompt
Today's date is 2025-08-24
You are a JavaScript minification benchmark analyst with a flair for storytelling.
## Objective
Analyze 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 Engagement
1. 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 v1.2.20 released 2025-08-10
- @cminify/cminify-linux-x64 v3.0.1 released 2025-07-27
- esbuild v0.25.9 released 2025-08-12
- google-closure-compiler v20250820.0.0 released 2025-08-22
- tedivm/jshrink v1.8.0
- oxc-minify v0.82.3 released 2025-08-20
- @swc/core v1.13.5 released 2025-08-24
- @tdewolff/minify v2.24.0 released 2025-08-20
- terser v5.43.1 released 2025-06-19
- 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 497 ms
- Fastest: @tdewolff/minify: 8.63 KB (55% shaved) in 3 ms
- Most balanced: @swc/core: 8.19 KB (58% shaved) in 12 ms
- Honorable mention: oxc-minify: 8.47 KB (56% shaved) in 3 ms
## Round 2: npm package "moment" (36.23 KB gzipped)
- Best gzip compression: uglify-js: 18.57 KB (49% shaved) in 1,149 ms
- Fastest: @tdewolff/minify: 19.48 KB (46% shaved) in 6 ms
- Most balanced: @swc/core: 18.75 KB (48% shaved) in 29 ms
- Honorable mention: oxc-minify: 19.26 KB (47% shaved) in 8 ms
## Round 3: npm package "jquery" (84.50 KB gzipped)
- Best gzip compression: terser: 30.86 KB (63% shaved) in 921 ms
- Fastest: @tdewolff/minify: 31.45 KB (63% shaved) in 8 ms
- Most balanced: @swc/core: 30.87 KB (63% shaved) in 45 ms
- Honorable mention: oxc-minify: 30.97 KB (63% shaved) in 14 ms
## Round 4: npm package "vue" (89.67 KB gzipped)
- Best gzip compression: @swc/core: 42.73 KB (52% shaved) in 62 ms
- Fastest: @tdewolff/minify: 44.36 KB (51% shaved) in 13 ms
- Most balanced: @swc/core: 42.73 KB (52% shaved) in 62 ms
- Honorable mention: oxc-minify: 43.35 KB (52% shaved) in 17 ms
## Round 5: npm package "lodash" (96.69 KB gzipped)
- Best gzip compression: uglify-js: 24.69 KB (74% shaved) in 1,689 ms
- Fastest: @tdewolff/minify: 26.50 KB (73% shaved) in 11 ms
- Most balanced: @swc/core: 25.24 KB (74% shaved) in 50 ms
- Honorable mention: oxc-minify: 25.98 KB (73% shaved) in 12 ms
## Round 6: npm package "d3" (130.69 KB gzipped)
- Best gzip compression: uglify-js: 87.02 KB (33% shaved) in 3,927 ms
- Fastest: @cminify/cminify-linux-x64: 103.81 KB (21% shaved) in 28 ms
- Most balanced: @swc/core: 87.21 KB (33% shaved) in 134 ms
- Honorable mention: oxc-minify: 88.13 KB (33% shaved) in 40 ms
## Round 7: npm package "terser" (193.76 KB gzipped)
- Best gzip compression: oxc-minify: 122.26 KB (37% shaved) in 41 ms
- Fastest: @cminify/cminify-linux-x64: 144.30 KB (26% shaved) in 23 ms
- Most balanced: oxc-minify: 122.26 KB (37% shaved) in 41 ms
- Honorable mention: @swc/core: 123.26 KB (36% shaved) in 123 ms
## Round 8: npm package "three" (248.27 KB gzipped)
- Best gzip compression: @swc/core: 158.75 KB (36% shaved) in 187 ms
- Fastest: @cminify/cminify-linux-x64: 191.97 KB (23% shaved) in 24 ms
- Most balanced: @swc/core: 158.75 KB (36% shaved) in 187 ms
- Honorable mention: oxc-minify: 160.82 KB (35% shaved) in 59 ms
## Round 9: npm package "victory" (309.94 KB gzipped)
- Best gzip compression: uglify-js: 157.44 KB (49% shaved) in 6,579 ms
- Fastest: @cminify/cminify-linux-x64: 221.12 KB (29% shaved) in 34 ms
- Most balanced: @swc/core: 157.75 KB (49% shaved) in 261 ms
- Honorable mention: oxc-minify: 162.13 KB (48% shaved) in 88 ms
## Round 10: npm package "echarts" (684.61 KB gzipped)
- Best gzip compression: @swc/core: 321.11 KB (53% shaved) in 541 ms
- Fastest: @cminify/cminify-linux-x64: 434.45 KB (37% shaved) in 46 ms
- Most balanced: oxc-minify: 324.48 KB (53% shaved) in 169 ms
- Honorable mention: @tdewolff/minify: 331.85 KB (52% shaved) in 116 ms
## Round 11: npm package "antd" (825.18 KB gzipped)
- Best gzip compression: @swc/core: 452.40 KB (45% shaved) in 683 ms
- Fastest: @cminify/cminify-linux-x64: 623.37 KB (24% shaved) in 74 ms
- Most balanced: oxc-minify: 459.17 KB (44% shaved) in 239 ms
- Honorable mention: @tdewolff/minify: 471.79 KB (43% shaved) in 135 ms
## Round 12: npm package "typescript" (1.88 MB gzipped)
- Best gzip compression: @swc/core: 859.04 KB (54% shaved) in 1,526 ms
- Fastest: @cminify/cminify-linux-x64: 1.13 MB (40% shaved) in 111 ms
- Most balanced: oxc-minify: 860.33 KB (54% shaved) in 444 ms
- Honorable mention: @tdewolff/minify: 875.82 KB (54% shaved) in 262 ms
# Eliminated
## babel-minify
Failed "d3" in minification stage:
"unknown: Cannot read properties of undefined (reading 'add')"
## tedivm/jshrink
Failed "d3" in minification stage:
"RuntimeException: Unclosed regex pattern at position: 289075 in /packages/minifiers/vendor/tedivm/jshrink/src/JShrink/Minifier.php:660"
## bun
Failed "typescript" in post-validation stage:
"Expected values to be strictly equal:\n+ actual - expected\n\n+ 'var x = function () { return \"string\"; };\\r\\n'\n- 'var x = function () { return \"string\"; };\\n'"