quicky.club — trying out different image encoders & settings * generated at Sun Jul 26 12:45:59 PM UTC 2026 - see RAW-data as JSON

Butteraugli 0 10 20 30 40 50 60 70 800500001000001500002000002500000.00%1.42%2.85%4.3%5.7%7.1%avif/avifencavif/avifencButteraugli_plot_2heif/heifencheif/heifencButteraugli_plot_4jpeg/cjpeglijpeg/cjpegliButteraugli_plot_6jpeg/guetzlijpeg/guetzlijpeg/mozjpegjpeg/mozjpegjxl/cjxljxl/cjxlButteraugli_plot_10png/pngquantpng/pngquantButteraugli_plot_12webp/cwebpwebp/cwebpButteraugli_plot_14Butteraugli_plot_15Butteraugli-rating (higher is better)Filesize in bytes (lower is better)Percentage of original file size (3.513.707 bytes)Comparison of perceived image similarity for butteraugli in context of file size for 274 samples (all results) SSimulacra2-200-150-100-50 0 50 1000500001000001500002000002500000.00%1.42%2.85%4.3%5.7%7.1%avif/avifencavif/avifencSSimulacra2_plot_2heif/heifencheif/heifencSSimulacra2_plot_4jpeg/cjpeglijpeg/cjpegliSSimulacra2_plot_6jpeg/guetzlijpeg/guetzlijpeg/mozjpegjpeg/mozjpegjxl/cjxljxl/cjxlSSimulacra2_plot_10png/pngquantpng/pngquantSSimulacra2_plot_12webp/cwebpwebp/cwebpSSimulacra2_plot_14SSimulacra2_plot_15SSimulacra2-rating (higher is better)Filesize in bytes (lower is better)Percentage of original file size (3.513.707 bytes)Comparison of perceived image similarity for ssimulacra2 in context of file size for 274 samples (all results) Butteraugli 3 4 5 6 7 8 9 10200003000040000500000.57%0.85%1.14%1.42%avif-all-avifenc-q30heif-all-heifenc-q30jpeg-all-cjpegli-q20jxl-all-cjxl-q35webp-all-cwebp-q25avif/avifencavif/avifencButteraugli_plot_2 Butteraugli_plot_3heif/heifencheif/heifencButteraugli_plot_5 Butteraugli_plot_6jpeg/cjpeglijpeg/cjpegliButteraugli_plot_8 Butteraugli_plot_9jpeg/mozjpegjpeg/mozjpegButteraugli_plot_11 jxl/cjxljxl/cjxlButteraugli_plot_13 Butteraugli_plot_14webp/cwebpwebp/cwebpButteraugli_plot_16 Butteraugli_plot_17Butteraugli_plot_18Butteraugli-rating (higher is better)Filesize in bytes (lower is better)Percentage of original file size (3.513.707 bytes)Comparison of perceived image similarity for butteraugli in context of file size for 121 samples (selection) SSimulacra2 20 30 40 50 60 70 80200003000040000500000.57%0.85%1.14%1.42%avif-all-avifenc-q30heif-all-heifenc-q30jpeg-all-cjpegli-q20jxl-all-cjxl-q35webp-all-cwebp-q25avif/avifencavif/avifencSSimulacra2_plot_2 SSimulacra2_plot_3heif/heifencheif/heifencSSimulacra2_plot_5 SSimulacra2_plot_6jpeg/cjpeglijpeg/cjpegliSSimulacra2_plot_8 SSimulacra2_plot_9jpeg/mozjpegjpeg/mozjpegSSimulacra2_plot_11 jxl/cjxljxl/cjxlSSimulacra2_plot_13 SSimulacra2_plot_14webp/cwebpwebp/cwebpSSimulacra2_plot_16 SSimulacra2_plot_17SSimulacra2_plot_18SSimulacra2-rating (higher is better)Filesize in bytes (lower is better)Percentage of original file size (3.513.707 bytes)Comparison of perceived image similarity for ssimulacra2 in context of file size for 121 samples (selection)

Results, final selection: "good enough" — sorted by imagesize

Family Size [bytes] Settings Bits per pixel Reduction compared to baseline image size
heif
 23.365 heif-all-heifenc-q30 0.389
82.55%
avif
 24.059 avif-all-avifenc-q30 0.401
82.03%
jxl
 28.678 jxl-all-cjxl-q35 0.478
78.58%
webp
 33.638 webp-all-cwebp-q25 0.561
74.87%
jpeg
 34.682 jpeg-all-cjpegli-q20 0.578
74.09%
png
 154.923 png-all-pngquant-q35 2.582
0.00%
jpeg
 3.112 jpeg-all-mozjpeg-q2 0.052 LQIP (Low-Quality Image Placeholders) with ~0.05 bpp = 13% of smallest selection file
jpeg
 134.040 reduced to 3.81% = of resolution 2.234 with 0.48 megapx = 800×600 pixels (theoretical baseline size)
jpeg
 3.513.707 original image 2.234 with 12.58 megapx = 4096×3072 pixels and 638.226 different colors

HTML example usage

0x1337.org cdn.169.run
encoder-settings descriptive 
<picture>
  <source type="image/jxl"  srcset="https://cdn.169.run/W7/83/4P/child-sun-face-paint-red-sweater/768px.jxl">
  <source type="image/avif" srcset="https://cdn.169.run/W7/83/4P/child-sun-face-paint-red-sweater/768px.avif">
  <source type="image/heif" srcset="https://cdn.169.run/W7/83/4P/child-sun-face-paint-red-sweater/768px.heif">
  <source type="image/jpeg" srcset="https://cdn.169.run/W7/83/4P/child-sun-face-paint-red-sweater/768px.jpeg">
  <source type="image/webp" srcset="https://cdn.169.run/W7/83/4P/child-sun-face-paint-red-sweater/768px.webp">

  <img src="https://cdn.169.run/W7/83/4P/child-sun-face-paint-red-sweater/768px.jpeg"
       width="768" height="512"
       alt="Person with a painted sun design around one eye, colorful hair ribbons, and a bright patterned sweater."
       loading="lazy" decoding="async">
</picture>

Visual comparison side-by-side (final selection: "good enough")

original variant info
Original Variant family: heif 
file size: 23.365 bytes
ba: 6.67 ss: 51.34
settings: heif-all-heifenc-q30
bpp: 0.389
useable: true
Original Variant family: avif 
file size: 24.059 bytes
ba: 7.17 ss: 50.54
settings: avif-all-avifenc-q30
bpp: 0.401
useable: true
Original Variant family: jxl 
file size: 28.678 bytes
ba: 6.07 ss: 51.67
settings: jxl-all-cjxl-q35
bpp: 0.478
useable: true
Original Variant family: webp 
file size: 33.638 bytes
ba: 6.22 ss: 50.72
settings: webp-all-cwebp-q25
bpp: 0.561
useable: true
Original Variant family: jpeg 
file size: 34.682 bytes
ba: 5.54 ss: 50.99
settings: jpeg-all-cjpegli-q20
bpp: 0.578
useable: true
Original Variant family: png 
file size: 154.923 bytes
ba: 9.71 ss: 52.38
settings: png-all-pngquant-q35
bpp: 2.582
useable: true
Zoom: 3× (Z)

Visual comparison side-by-side (all) — sorted by imagesize

original variant info
Original Variant family: avif 
file size: 9.323 bytes
ba: 13.64 ss: 8.53
settings: avif-all-avifenc-q9
bpp: 0.155
useable: false
Original Variant family: avif 
file size: 9.323 bytes
ba: 13.64 ss: 8.53
settings: avif-all-avifenc-q10
bpp: 0.155
useable: false
Original Variant family: avif 
file size: 10.121 bytes
ba: 13.80 ss: 13.17
settings: avif-all-avifenc-q11
bpp: 0.169
useable: false
Original Variant family: heif 
file size: 10.185 bytes
ba: 13.31 ss: 16.98
settings: heif-all-heifenc-q15
bpp: 0.170
useable: false
Original Variant family: heif 
file size: 10.185 bytes
ba: 13.31 ss: 16.98
settings: heif-all-heifenc-q16
bpp: 0.170
useable: false
Original Variant family: avif 
file size: 11.016 bytes
ba: 12.72 ss: 17.78
settings: avif-all-avifenc-q12
bpp: 0.184
useable: false
Original Variant family: avif 
file size: 11.016 bytes
ba: 12.72 ss: 17.78
settings: avif-all-avifenc-q13
bpp: 0.184
useable: false
Original Variant family: jpeg 
file size: 11.045 bytes
ba: 13.51 ss: -17.90
settings: jpeg-all-mozjpeg-q8
bpp: 0.184
useable: false
Original Variant family: heif 
file size: 11.577 bytes
ba: 13.21 ss: 22.07
settings: heif-all-heifenc-q17
bpp: 0.193
useable: false
Original Variant family: heif 
file size: 11.577 bytes
ba: 13.21 ss: 22.07
settings: heif-all-heifenc-q18
bpp: 0.193
useable: false
Original Variant family: avif 
file size: 11.945 bytes
ba: 11.23 ss: 21.41
settings: avif-all-avifenc-q14
bpp: 0.199
useable: false
Original Variant family: avif 
file size: 11.945 bytes
ba: 11.23 ss: 21.41
settings: avif-all-avifenc-q15
bpp: 0.199
useable: false
Original Variant family: jpeg 
file size: 12.302 bytes
ba: 12.16 ss: -9.99
settings: jpeg-all-mozjpeg-q9
bpp: 0.205
useable: false
Original Variant family: avif 
file size: 12.856 bytes
ba: 11.17 ss: 25.08
settings: avif-all-avifenc-q16
bpp: 0.214
useable: false
Original Variant family: heif 
file size: 13.078 bytes
ba: 9.48 ss: 27.98
settings: heif-all-heifenc-q19
bpp: 0.218
useable: false
Original Variant family: heif 
file size: 13.078 bytes
ba: 9.48 ss: 27.98
settings: heif-all-heifenc-q20
bpp: 0.218
useable: false
Original Variant family: jpeg 
file size: 13.550 bytes
ba: 12.06 ss: -3.03
settings: jpeg-all-mozjpeg-q10
bpp: 0.226
useable: false
Original Variant family: avif 
file size: 13.892 bytes
ba: 9.66 ss: 28.81
settings: avif-all-avifenc-q17
bpp: 0.232
useable: false
Original Variant family: avif 
file size: 13.892 bytes
ba: 9.66 ss: 28.81
settings: avif-all-avifenc-q18
bpp: 0.232
useable: false
Original Variant family: webp 
file size: 14.010 bytes
ba: 10.67 ss: 12.49
settings: webp-all-cwebp-q1
bpp: 0.234
useable: false
Original Variant family: jxl 
file size: 14.416 bytes
ba: 12.09 ss: 17.23
settings: jxl-all-cjxl-q12
bpp: 0.240
useable: false
Original Variant family: jpeg 
file size: 14.700 bytes
ba: 10.84 ss: 3.08
settings: jpeg-all-mozjpeg-q11
bpp: 0.245
useable: false
Original Variant family: jxl 
file size: 14.757 bytes
ba: 12.62 ss: 14.43
settings: jxl-all-cjxl-q11
bpp: 0.246
useable: false
Original Variant family: heif 
file size: 14.791 bytes
ba: 12.88 ss: 33.05
settings: heif-all-heifenc-q21
bpp: 0.247
useable: false
Original Variant family: heif 
file size: 14.791 bytes
ba: 12.88 ss: 33.05
settings: heif-all-heifenc-q22
bpp: 0.247
useable: false
Original Variant family: avif 
file size: 14.879 bytes
ba: 11.31 ss: 32.30
settings: avif-all-avifenc-q19
bpp: 0.248
useable: false
Original Variant family: jxl 
file size: 15.115 bytes
ba: 10.38 ss: 20.19
settings: jxl-all-cjxl-q13
bpp: 0.252
useable: false
Original Variant family: webp 
file size: 15.540 bytes
ba: 9.91 ss: 17.99
settings: webp-all-cwebp-q2
bpp: 0.259
useable: false
Original Variant family: jpeg 
file size: 15.875 bytes
ba: 11.73 ss: 8.37
settings: jpeg-all-mozjpeg-q12
bpp: 0.265
useable: false
Original Variant family: avif 
file size: 15.918 bytes
ba: 10.29 ss: 35.24
settings: avif-all-avifenc-q20
bpp: 0.265
useable: false
Original Variant family: avif 
file size: 15.918 bytes
ba: 10.29 ss: 35.24
settings: avif-all-avifenc-q21
bpp: 0.265
useable: false
Original Variant family: heif 
file size: 16.549 bytes
ba: 9.10 ss: 38.02
settings: heif-all-heifenc-q23
bpp: 0.276
useable: false
Original Variant family: heif 
file size: 16.549 bytes
ba: 9.10 ss: 38.02
settings: heif-all-heifenc-q24
bpp: 0.276
useable: false
Original Variant family: jxl 
file size: 16.627 bytes
ba: 10.26 ss: 25.97
settings: jxl-all-cjxl-q15
bpp: 0.277
useable: false
Original Variant family: jxl 
file size: 16.671 bytes
ba: 10.53 ss: 23.08
settings: jxl-all-cjxl-q14
bpp: 0.278
useable: false
Original Variant family: webp 
file size: 16.724 bytes
ba: 9.69 ss: 21.39
settings: webp-all-cwebp-q3
bpp: 0.279
useable: false
Original Variant family: jpeg 
file size: 17.019 bytes
ba: 9.24 ss: 14.01
settings: jpeg-all-cjpegli-q1
bpp: 0.284
useable: false
Original Variant family: avif 
file size: 17.030 bytes
ba: 7.98 ss: 37.35
settings: avif-all-avifenc-q22
bpp: 0.284
useable: false
Original Variant family: avif 
file size: 17.030 bytes
ba: 7.98 ss: 37.35
settings: avif-all-avifenc-q23
bpp: 0.284
useable: false
Original Variant family: jpeg 
file size: 17.175 bytes
ba: 10.84 ss: 12.72
settings: jpeg-all-mozjpeg-q13
bpp: 0.286
useable: false
Original Variant family: jxl 
file size: 17.508 bytes
ba: 9.91 ss: 28.76
settings: jxl-all-cjxl-q16
bpp: 0.292
useable: false
Original Variant family: jpeg 
file size: 17.678 bytes
ba: 8.68 ss: 15.99
settings: jpeg-all-cjpegli-q2
bpp: 0.295
useable: false
Original Variant family: webp 
file size: 17.834 bytes
ba: 9.99 ss: 24.70
settings: webp-all-cwebp-q4
bpp: 0.297
useable: false
Original Variant family: jpeg 
file size: 18.270 bytes
ba: 10.02 ss: 16.61
settings: jpeg-all-mozjpeg-q14
bpp: 0.305
useable: false
Original Variant family: jxl 
file size: 18.302 bytes
ba: 9.55 ss: 30.77
settings: jxl-all-cjxl-q17
bpp: 0.305
useable: false
Original Variant family: jpeg 
file size: 18.419 bytes
ba: 8.85 ss: 18.33
settings: jpeg-all-cjpegli-q3
bpp: 0.307
useable: false
Original Variant family: avif 
file size: 18.434 bytes
ba: 7.67 ss: 40.12
settings: avif-all-avifenc-q24
bpp: 0.307
useable: false
Original Variant family: heif 
file size: 18.624 bytes
ba: 7.81 ss: 42.12
settings: heif-all-heifenc-q25
bpp: 0.310
useable: false
Original Variant family: heif 
file size: 18.624 bytes
ba: 7.81 ss: 42.12
settings: heif-all-heifenc-q26
bpp: 0.310
useable: false
Original Variant family: webp 
file size: 18.892 bytes
ba: 8.86 ss: 27.94
settings: webp-all-cwebp-q5
bpp: 0.315
useable: false
Original Variant family: jxl 
file size: 18.901 bytes
ba: 9.09 ss: 32.32
settings: jxl-all-cjxl-q18
bpp: 0.315
useable: false
Original Variant family: jpeg 
file size: 19.188 bytes
ba: 9.58 ss: 21.24
settings: jpeg-all-cjpegli-q4
bpp: 0.320
useable: false
Original Variant family: jpeg 
file size: 19.443 bytes
ba: 8.71 ss: 20.45
settings: jpeg-all-mozjpeg-q15
bpp: 0.324
useable: false
Original Variant family: avif 
file size: 19.626 bytes
ba: 7.51 ss: 42.65
settings: avif-all-avifenc-q25
bpp: 0.327
useable: false
Original Variant family: avif 
file size: 19.626 bytes
ba: 7.51 ss: 42.65
settings: avif-all-avifenc-q26
bpp: 0.327
useable: false
Original Variant family: jxl 
file size: 19.646 bytes
ba: 8.54 ss: 34.33
settings: jxl-all-cjxl-q19
bpp: 0.327
useable: false
Original Variant family: webp 
file size: 19.712 bytes
ba: 9.16 ss: 29.39
settings: webp-all-cwebp-q6
bpp: 0.329
useable: false
Original Variant family: jpeg 
file size: 19.985 bytes
ba: 9.67 ss: 23.13
settings: jpeg-all-cjpegli-q5
bpp: 0.333
useable: false
Original Variant family: webp 
file size: 20.550 bytes
ba: 9.15 ss: 31.51
settings: webp-all-cwebp-q7
bpp: 0.343
useable: false
Original Variant family: jxl 
file size: 20.570 bytes
ba: 8.22 ss: 37.12
settings: jxl-all-cjxl-q20
bpp: 0.343
useable: false
Original Variant family: jpeg 
file size: 20.610 bytes
ba: 8.46 ss: 23.65
settings: jpeg-all-mozjpeg-q16
bpp: 0.344
useable: false
Original Variant family: jpeg 
file size: 20.762 bytes
ba: 8.52 ss: 25.37
settings: jpeg-all-cjpegli-q6
bpp: 0.346
useable: false
Original Variant family: heif 
file size: 20.822 bytes
ba: 6.39 ss: 46.53
settings: heif-all-heifenc-q27
bpp: 0.347
useable: false
Original Variant family: heif 
file size: 20.822 bytes
ba: 6.39 ss: 46.53
settings: heif-all-heifenc-q28
bpp: 0.347
useable: false
Original Variant family: avif 
file size: 20.896 bytes
ba: 7.38 ss: 45.50
settings: avif-all-avifenc-q27
bpp: 0.348
useable: false
Original Variant family: jxl 
file size: 21.394 bytes
ba: 7.39 ss: 38.84
settings: jxl-all-cjxl-q21
bpp: 0.357
useable: false
Original Variant family: webp 
file size: 21.480 bytes
ba: 8.73 ss: 33.03
settings: webp-all-cwebp-q8
bpp: 0.358
useable: false
Original Variant family: jpeg 
file size: 21.608 bytes
ba: 8.11 ss: 27.14
settings: jpeg-all-cjpegli-q7
bpp: 0.360
useable: false
Original Variant family: jpeg 
file size: 21.647 bytes
ba: 8.86 ss: 26.66
settings: jpeg-all-mozjpeg-q17
bpp: 0.361
useable: false
Original Variant family: jxl 
file size: 22.114 bytes
ba: 7.56 ss: 40.94
settings: jxl-all-cjxl-q22
bpp: 0.369
useable: false
Original Variant family: webp 
file size: 22.174 bytes
ba: 8.86 ss: 34.15
settings: webp-all-cwebp-q9
bpp: 0.370
useable: false
Original Variant family: avif 
file size: 22.445 bytes
ba: 6.94 ss: 47.82
settings: avif-all-avifenc-q28
bpp: 0.374
useable: false
Original Variant family: avif 
file size: 22.445 bytes
ba: 6.94 ss: 47.82
settings: avif-all-avifenc-q29
bpp: 0.374
useable: false
Original Variant family: jpeg 
file size: 22.491 bytes
ba: 7.29 ss: 30.07
settings: jpeg-all-cjpegli-q8
bpp: 0.375
useable: false
Original Variant family: jpeg 
file size: 22.972 bytes
ba: 7.61 ss: 29.50
settings: jpeg-all-mozjpeg-q18
bpp: 0.383
useable: false
Original Variant family: jxl 
file size: 23.014 bytes
ba: 7.37 ss: 42.37
settings: jxl-all-cjxl-q23
bpp: 0.384
useable: false
Original Variant family: webp 
file size: 23.116 bytes
ba: 9.40 ss: 36.47
settings: webp-all-cwebp-q10
bpp: 0.385
useable: false
Original Variant family: heif 
file size: 23.365 bytes
ba: 6.67 ss: 51.34
settings: heif-all-heifenc-q29
bpp: 0.389
useable: true
Original Variant family: heif 
file size: 23.365 bytes
ba: 6.67 ss: 51.34
settings: heif-all-heifenc-q30
bpp: 0.389
useable: true
Original Variant family: jpeg 
file size: 23.465 bytes
ba: 7.47 ss: 32.22
settings: jpeg-all-cjpegli-q9
bpp: 0.391
useable: false
Original Variant family: webp 
file size: 23.814 bytes
ba: 7.95 ss: 37.98
settings: webp-all-cwebp-q11
bpp: 0.397
useable: false
Original Variant family: jxl 
file size: 23.854 bytes
ba: 7.06 ss: 44.01
settings: jxl-all-cjxl-q24
bpp: 0.398
useable: false
Original Variant family: jpeg 
file size: 23.918 bytes
ba: 8.57 ss: 31.95
settings: jpeg-all-mozjpeg-q19
bpp: 0.399
useable: false
Original Variant family: avif 
file size: 24.059 bytes
ba: 7.17 ss: 50.54
settings: avif-all-avifenc-q30
bpp: 0.401
useable: true
Original Variant family: jxl 
file size: 24.162 bytes
ba: 7.15 ss: 45.21
settings: jxl-all-cjxl-q25
bpp: 0.403
useable: false
Original Variant family: jpeg 
file size: 24.423 bytes
ba: 7.67 ss: 34.36
settings: jpeg-all-cjpegli-q10
bpp: 0.407
useable: false
Original Variant family: webp 
file size: 24.468 bytes
ba: 7.36 ss: 38.92
settings: webp-all-cwebp-q12
bpp: 0.408
useable: false
Original Variant family: jxl 
file size: 24.868 bytes
ba: 6.81 ss: 46.08
settings: jxl-all-cjxl-q26
bpp: 0.414
useable: false
Original Variant family: jpeg 
file size: 24.942 bytes
ba: 8.24 ss: 34.54
settings: jpeg-all-mozjpeg-q20
bpp: 0.416
useable: false
Original Variant family: webp 
file size: 25.218 bytes
ba: 8.36 ss: 39.38
settings: webp-all-cwebp-q13
bpp: 0.420
useable: false
Original Variant family: jpeg 
file size: 25.429 bytes
ba: 8.21 ss: 36.16
settings: jpeg-all-cjpegli-q11
bpp: 0.424
useable: false
Original Variant family: avif 
file size: 25.545 bytes
ba: 6.72 ss: 52.83
settings: avif-all-avifenc-q31
bpp: 0.426
useable: true
Original Variant family: jxl 
file size: 25.577 bytes
ba: 6.90 ss: 47.21
settings: jxl-all-cjxl-q27
bpp: 0.426
useable: false
Original Variant family: jpeg 
file size: 25.994 bytes
ba: 6.56 ss: 36.19
settings: jpeg-all-mozjpeg-q21
bpp: 0.433
useable: false
Original Variant family: webp 
file size: 26.090 bytes
ba: 8.34 ss: 40.85
settings: webp-all-cwebp-q14
bpp: 0.435
useable: false
Original Variant family: jxl 
file size: 26.175 bytes
ba: 6.72 ss: 48.26
settings: jxl-all-cjxl-q28
bpp: 0.436
useable: false
Original Variant family: heif 
file size: 26.195 bytes
ba: 6.30 ss: 54.87
settings: heif-all-heifenc-q31
bpp: 0.437
useable: true
Original Variant family: jpeg 
file size: 26.334 bytes
ba: 6.74 ss: 38.51
settings: jpeg-all-cjpegli-q12
bpp: 0.439
useable: false
Original Variant family: jxl 
file size: 26.552 bytes
ba: 6.58 ss: 48.58
settings: jxl-all-cjxl-q29
bpp: 0.443
useable: false
Original Variant family: webp 
file size: 26.646 bytes
ba: 7.36 ss: 41.69
settings: webp-all-cwebp-q15
bpp: 0.444
useable: false
Original Variant family: jxl 
file size: 26.951 bytes
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Zoom: 3× (Z)

Plot of similarity metrics: butteraugli and ssimulacra2