Issues

• Feature request: mention or connect with external WebP optimization tools

  google/guetzli#281 · Filter by author Parachute-alt opened on Sep 27, 2025

• Encountered an interger overflow in guetzli v1.0

  google/guetzli#279 · Filter by author YuaaCindy opened on Jan 13, 2025
  1

• Encountered a runtime error: negetive shift exponent in guetzli v1.0

  google/guetzli#278 · Filter by author YuaaCindy opened on Jan 13, 2025

• Can't generate compress image

  google/guetzli#277 · Filter by author AkshayOptimumbrew opened on Aug 2, 2024
  1

• Cannot Compress Binary Images

  google/guetzli#274 · Filter by author Sahil-5111998 opened on Mar 25, 2023
  4

• How do you prevent Guetzli from running twice on the same file

  google/guetzli#273 · Filter by author FredWahl opened on Dec 8, 2022
  1

• Can't open input file

  google/guetzli#272 · Filter by author arty35 opened on Aug 13, 2021
  2

• Golden files test is broken due to missing archive

  google/guetzli#271 · Filter by author grafail opened on Apr 5, 2021

• RPM for CentOS7

  google/guetzli#265 · Filter by author kstahl-dev opened on Feb 23, 2020

• Update Visual Studio project to VS 2019

  google/guetzli#264 · Filter by author EwoutH opened on Dec 12, 2019
  1

• Empty progress function

  google/guetzli#262 · Filter by author Frwah opened on Oct 27, 2019

• Better return codes

  google/guetzli#261 · Filter by author Frwah opened on Oct 27, 2019
  1

• node_modules\guetzli\vendor already exists

  google/guetzli#258 · Filter by author Ronsevet opened on Apr 4, 2019
  2

• installation error

  google/guetzli#257 · Filter by author yh960520 opened on Mar 4, 2019

• Parallel build breaks

  google/guetzli#256 · Filter by author yurivict opened on Feb 26, 2019

• Is this code neccessary if the input jpeg is already grayscale?

  google/guetzli#255 · Filter by author ppoocde opened on Feb 12, 2019
  4

• Linker Tools Errors please help

  google/guetzli#254 · Filter by author koboltzz opened on Dec 28, 2018
  2

• Excessive blocking artifacts on soft gradients

  google/guetzli#253 · Filter by author vmdanilov opened on Nov 15, 2018

• error while loading shared libraries: libpng16.so.16: cannot open shared object file: No such file or directory

  google/guetzli#252 · Filter by author liuzl1990 opened on Aug 16, 2018
  1

• What is the sign that the program completes

  google/guetzli#251 · Filter by author Kevindyb opened on Jul 23, 2018
  3

• Strange behavior at higher DPI or Resolution

  google/guetzli#250 · Filter by author TiKevin83 opened on Jun 13, 2018
  7

• New Butteraugli from Pik

  google/guetzli#249 · Filter by author TiKevin83 opened on Jun 13, 2018
  1

• xcode pngcrush caught libpng error

  google/guetzli#247 · Filter by author coooliang opened on May 7, 2018
  1

• owino

  google/guetzli#245 · Filter by author sepatus88 opened on Jan 29, 2018

• Square artifacts in gradient

  google/guetzli#243 · Filter by author skohlmann opened on Jan 19, 2018
  5