| unpkg |
39609 bytes (38.7k)
|
CDN |
| Boot |
34043 bytes (33.2k)
|
CDN |
| cdnjs |
34043 bytes (33.2k)
|
CDN |
| gzip -6 (default) |
33843 bytes (33.0k)
|
local copy |
| gzip -9 |
33773 bytes (33.0k)
|
local copy |
| libdeflate -12 |
32675 bytes (31.9k)
|
local copy |
| 7zip -mx=9 -tgzip |
32608 bytes (31.8k)
|
local copy |
| zultra |
32574 bytes (31.8k)
|
local copy |
| kzip -s0 -rn -b5 |
32572 bytes (31.8k)
|
local copy |
| pigz -11 -n |
32561 bytes (31.8k)
|
local copy |
| Zopfli |
32514 bytes (31.8k)
|
local copy |
| Description | Value | Parameter |
|---|---|---|
| iterations | 1000000 | --i1000000 |
| maximum blocks | 8 | --mb8 |
| maximum length score | 4 | --mls4 |
| block splitting recursion | 12 | --bsr12 |
| lazy matching in LZ77 | yes | --lazy |
| optimized Huffman headers | yes | --ohh |
| initial random W for iterations | 1 | --rw1 |
| initial random Z for iterations | 2 | --rz2 |
| CDN | Size (compressed) | MD5 (uncompressed) | Timestamp |
|---|---|---|---|
| unpkg | 39609 bytes | 3dd48c4f4c8c8a86db7712f0c808eaa2 | (invalid) |
| Boot | 34043 bytes | 3dd48c4f4c8c8a86db7712f0c808eaa2 | (invalid) |
| cdnjs | 34043 bytes | 3dd48c4f4c8c8a86db7712f0c808eaa2 | (invalid) |
| Size | Improvement | Parameters | Found |
|---|---|---|---|
| 32514 bytes | -3 bytes | zopfli --i1000000 --mls4 --bsr12 --lazy --ohh | February 18, 2019 @ 14:51 |
| 32517 bytes | -1 byte | zopfli --i100000 --mls4 --bsr20 --lazy --ohh | February 18, 2019 @ 11:26 |
| 32518 bytes | -2 bytes | zopfli --i100000 --mls4 --bsr12 --lazy --ohh | February 16, 2019 @ 01:04 |
| 32520 bytes | -1 byte | zopfli --i10000 --mls4 --bsr12 --lazy --ohh | February 12, 2019 @ 22:02 |
| 32521 bytes | -5 bytes | zopfli --i10000 --mls4 --bsr20 --lazy --ohh | February 12, 2019 @ 06:36 |
| 32526 bytes | -2 bytes | zopfli --i1000 --mls4 --bsr12 --lazy --ohh | February 11, 2019 @ 18:58 |
| 32528 bytes | -2 bytes | zopfli --i1000 --mls8192 --bsr10 --lazy --ohh | February 11, 2019 @ 18:30 |
| 32530 bytes | – | zopfli --i100 --mls4 --bsr22 --lazy --ohh | February 11, 2019 @ 16:32 |
| 2 | 4 | 8 | 16 | 32 | 64 | 128 | 256 | 512 | 1024 | 2048 | 4096 | 8192 | 16384 | 32768 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2 | 4 | 8 | 16 | 32 | 64 | 128 | 256 | 512 | 1024 | 2048 | 4096 | 8192 | 16384 | 32768 | |
| 2 | 32534 | 32534 | 32533 | 32535 | 32535 | 32535 | 32539 | 32538 | 32545 | 32545 | 32529 | 32529 | 32529 | 32541 | 32554 |
| 4 | 32553 | 32553 | 32533 | 32534 | 32532 | 32555 | 32560 | 32544 | 32543 | 32548 | 32536 | 32537 | 32533 | 32532 | 32551 |
| 6 | 32534 | 32549 | 32553 | 32557 | 32564 | 32544 | 32533 | 32538 | 32546 | 32546 | 32538 | 32536 | 32538 | 32528 | 32550 |
| 7 | 32533 | 32533 | 32532 | 32532 | 32534 | 32535 | 32549 | 32552 | 32547 | 32546 | 32534 | 32537 | 32532 | 32543 | 32534 |
| 8 | 32548 | 32548 | 32531 | 32536 | 32551 | 32552 | 32550 | 32548 | 32551 | 32546 | 32537 | 32535 | 32529 | 32536 | 32549 |
| 9 | 32532 | 32533 | 32532 | 32534 | 32532 | 32553 | 32551 | 32550 | 32543 | 32548 | 32534 | 32539 | 32529 | 32531 | 32541 |
| 10 | 32524 | 32547 | 32531 | 32540 | 32540 | 32540 | 32551 | 32553 | 32552 | 32545 | 32536 | 32536 | 32526 | 32529 | 32547 |
| 11 | 32534 | 32531 | 32531 | 32533 | 32539 | 32553 | 32551 | 32553 | 32552 | 32544 | 32538 | 32528 | 32526 | 32541 | 32533 |
| 12 | 32532 | 32514 | 32533 | 32534 | 32532 | 32535 | 32563 | 32554 | 32564 | 32548 | 32534 | 32530 | 32529 | 32543 | 32549 |
| 13 | 32530 | 32531 | 32534 | 32533 | 32533 | 32537 | 32550 | 32553 | 32544 | 32546 | 32539 | 32535 | 32525 | 32540 | 32550 |
| 14 | 32550 | 32553 | 32531 | 32533 | 32534 | 32552 | 32550 | 32552 | 32554 | 32546 | 32533 | 32535 | 32527 | 32541 | 32532 |
| 15 | 32531 | 32532 | 32532 | 32543 | 32534 | 32553 | 32551 | 32560 | 32552 | 32545 | 32533 | 32537 | 32531 | 32543 | 32535 |
| 16 | 32532 | 32531 | 32532 | 32533 | 32533 | 32551 | 32559 | 32556 | 32546 | 32544 | 32535 | 32537 | 32526 | 32542 | 32535 |
| 17 | 32533 | 32525 | 32531 | 32542 | 32540 | 32553 | 32551 | 32552 | 32552 | 32543 | 32539 | 32535 | 32528 | 32540 | 32534 |
| 18 | 32532 | 32531 | 32532 | 32535 | 32534 | 32544 | 32549 | 32555 | 32552 | 32546 | 32533 | 32535 | 32528 | 32542 | 32551 |
| 19 | 32531 | 32532 | 32531 | 32534 | 32533 | 32533 | 32550 | 32553 | 32552 | 32543 | 32532 | 32536 | 32529 | 32542 | 32534 |
| 20 | 32534 | 32515 | 32551 | 32532 | 32532 | 32552 | 32551 | 32554 | 32545 | 32547 | 32546 | 32537 | 32527 | 32543 | 32548 |
| 21 | 32552 | 32548 | 32551 | 32535 | 32550 | 32551 | 32550 | 32551 | 32552 | 32546 | 32543 | 32536 | 32527 | 32540 | 32548 |
| 22 | 32530 | 32518 | 32533 | 32534 | 32532 | 32533 | 32554 | 32546 | 32545 | 32544 | 32527 | 32535 | 32527 | 32543 | 32548 |
| 23 | 32530 | 32532 | 32543 | 32533 | 32534 | 32534 | 32546 | 32553 | 32551 | 32543 | 32529 | 32537 | 32526 | 32543 | 32535 |
| 25 | 32550 | 32551 | 32552 | 32533 | 32564 | 32552 | 32557 | 32552 | 32552 | 32545 | 32536 | 32535 | 32528 | 32543 | 32551 |
| 30 | 32530 | 32531 | 32531 | 32542 | 32539 | 32552 | 32564 | 32553 | 32553 | 32543 | 32533 | 32535 | 32528 | 32543 | 32535 |
| 40 | 32532 | 32531 | 32534 | 32534 | 32539 | 32551 | 32551 | 32554 | 32551 | 32545 | 32532 | 32536 | 32528 | 32530 | 32534 |
| Iterations | Min. Bytes | Reduction | Coverage |
|---|---|---|---|
| 100 | 32530 bytes | – | 100% |
| 1,000 | 32526 bytes | -4 bytes | 100% |
| 10,000 | 32520 bytes | -6 bytes | 100% |
| 100,000 | 32517 bytes | -3 bytes | 0.87% |
| 1,000,000 | 32514 bytes | -3 bytes | 0.58% |
| 10,000,000 | – | – | – |
| Blocks | Min. Bytes | Compared To Best Zopfli | Compared To Best KZIP |
|---|---|---|---|
| (any) | 32630 bytes | +116 bytes (+0.36%) | +58 bytes |
| 1 | 32632 bytes | +118 bytes (+0.36%) | +60 bytes |
| 2 | 32631 bytes | +117 bytes (+0.36%) | +59 bytes |
| 3 | 32625 bytes | +111 bytes (+0.34%) | +53 bytes |
| 4 | 32633 bytes | +119 bytes (+0.37%) | +61 bytes |
| 5 | 32572 bytes | +58 bytes (+0.18%) | – |
| 6 | 32597 bytes | +83 bytes (+0.26%) | +25 bytes |
| 7 | 32597 bytes | +83 bytes (+0.26%) | +25 bytes |
| 8 | 32625 bytes | +111 bytes (+0.34%) | +53 bytes |
| Algorithm | Program | Parameters | Size | Compared To Best Zopfli |
|---|---|---|---|---|
| ZPAQ (Wikipedia) | zpaq | zpaq -method 69 | 26789 bytes | -5725 bytes (-17.61%) |
| RAR (proprietary) | RAR | rar a -m5 -md64m -mc63:128t -mt1 | 27729 bytes | -4785 bytes (-14.72%) |
| PPMd (Wikipedia) | 7zip | 7za a -mx=9 -m0=ppmd | 28738 bytes | -3776 bytes (-11.61%) |
| Brotli (Wikipedia) | brotli | brotli -q 11 | 30415 bytes | -2099 bytes (-6.46%) |
| Burrows-Wheeler transform (Wikipedia) | bzip2 | bzip2 -9 | 31095 bytes | -1419 bytes (-4.36%) |
| LZMA2 (Wikipedia) | xz | xz -9 | 31208 bytes | -1306 bytes (-4.02%) |
| Zstandard (Wikipedia) | zstd | zstd -19 | 31836 bytes | -678 bytes (-2.09%) |