report
- pingo: prevent dropping to indexed color
- 24/10/2026 - enivex
- Can't find Pinga download button!
- 16/10/2026 - Doc
- Allow installation per-user
- 11/09/2026 - Eduardo Mozart de Oliveira
- Pingo 1.28.9: gAMA/cHRM PNG changes displayed colours in WebP
- 12/08/2026 - Golden
- Pingo 1.28.9: -rotate fails JPEG orientations 2-8 and PNG eXIf
- 12/08/2026 - Golden
- Pingo 1.28.9: -resize exits 0xC0000005 after writing output
- 12/08/2026 - Golden
- Pingo 1.28.9: -s4 does not return on a 32x32 RGBA PNG
- 12/08/2026 - Golden
- Pingo 1.28.9: heap corruption converting a 32x32 RGBA PNG
- 12/08/2026 - Golden
- 16-bpc lossless compression error message
- 08/08/2026 - Anonymous
- Explanation of -quality and -near options
- 05/08/2026 - Octavian
- jpg benchmarks
- 16/07/2026 - Yay295
- Pingo optimizes png worse than oxipng
- 16/07/2026 - Anonymous
- Installer doesn't update its version in Windows registry
- 15/07/2026 - Chris
- Pingo license and source code
- 29/06/2026 - Michael
- pingo new version - pngpalette
- 24/04/2026 - Cark
- Convert PNG to WEBP
- 30/03/2026 - Canvas
- Detected by the Malwarebytes Anti-Ransomware module as unknown malware
- 27/02/2026 - lohigno
- Add right-click support for Windows
- 13/02/2026 - Add right-click support for Windows
- Add Winget support
- 12/02/2026 - Eduardo Mozart de Oliveira
- [feature request] please add a flag to force output even if larger
- 30/01/2026 - tsftd
- working with files starting with a '-'
- 15/10/2025 - working with files starting with a '-'
- No savings if Japanese characters are in the folder/file name.
- 04/10/2025 - BrianCrowe
- Memory leaks when processing large folders
- 26/09/2025 - John Smith
- Does not work with files beginning with a hyphen
- 26/09/2025 - John Smith
- Won't optimize if folder path contains pseudo-illegal characters
- 16/09/2025 - phnthnhnm
- pingo 1.25 refuses to optimize files with Unicode filenames
- 15/09/2025 - Lord_D
- Donation
- 04/09/2025 - Floutsch
- [Feature Request] Pinga progress in taskbar
- 03/09/2025 - Anon
- Support JPEG XL
- 21/08/2025 - grouik1er
- Update PNG benchmark with Oxipng 9.1.5
- 23/07/2025 - Andy
- pingo crash with png
- 19/07/2025 - pingo crash with png
- Possibility of Pingo or Pinga for Mac
- 13/07/2025 - Cinthia TC
- Metadata not updated
- 12/03/2025 - Ekwinox
- Mentioned Pinga in My Article – Let’s Connect!
- 10/03/2025 - Huzaifa
- too agressive posterization
- 27/02/2025 - Hrm
- Hello, may I ask if Pingo software can run on the Linux platform?
- 21/02/2025 - baidu001@aliyun.com
- Show full version number (major.minor.patch) in GUI
- 20/07/2024 - Olav
- License / EULA
- 27/06/2024 - Omar
- v0.64 make no compression
- 11/06/2024 - St
- Color Lost
- 08/06/2024 - Germanie
- lodepng/lodepng.cpp
- 03/06/2024 - grouik
- Auto trim White Space
- 31/05/2024 - JoKalliauer
- [Feature Request] Option to enable/disable JPEG Progressive Encoding
- 21/05/2024 - Jay
- Pinga doesn't compress jpgs downloaded from smartphone.
- 07/05/2024 - Michał Rełkowski
- Pingo crash on resize
- 01/05/2024 - Phil Marty
- 0xc0000005 with ASLR enabled (rare application incompatibility)
- 27/04/2024 - (Thankful FR user)
- Tojan find - Windows Defender
- 21/04/2024 - Michal
- -notime not respected when converting format
- 19/04/2024 - Viscerous
- BMP (bitmap picture) files support
- 18/04/2024 - megalol
- colours messed up when enabling limit sizing
- 18/04/2024 - Abs C
- missing TIFF-support
- 16/04/2024 - JoKalliauer
- Compression of folders does not complete the process.
- 09/04/2024 - RRX
- I can't drag and drop files/folder from my filemanager
- 09/04/2024 - bahns
- support for libjxl encoder?
- 09/04/2024 - bahns
- Pinga 0.63.4 - Installation over previous version delete old settings
- 30/03/2024 - James Pous
- free space
- 25/03/2024 - Artur
- Divide by 0 on a small
- 20/03/2024 - Kurosu
- It doesn't work with webp at all
- 16/03/2024 - Destroy666
- hidden file not processed
- 10/03/2024 - grouik
- Pingo virus detected unable to download
- 08/03/2024 - Thierry Arbelot
- Pinga WebP support and destination folder option
- 29/01/2024 - CM Smidt
- Pingo Grayscale fails to convert all files since 1.16
- 28/01/2024 - Corwin
- Pinga 0.62 does not compress PNG as strong as 0.42
- 09/01/2024 - Grelle
- Improve grayscale conversion
- 05/01/2024 - Aleksandr
- Source code / open source
- 27/12/2023 - anon
- Spines - Strange Render After Compression
- 11/12/2023 - Kane
- Pinga resize proposal
- 28/11/2023 - ASDF
- Pinga still freezes at big amouth of .png's
- 22/11/2023 - DD
- pingo: convert JPEG to WEBP LOSSLESS
- 09/11/2023 - Aleksandr
- drap and drop not working on Win11
- 10/10/2023 - Bruno George
- Pingo does not act on files within folders with special characters.
- 09/10/2023 - Jay
- Pinga crashes when try to start
- 30/09/2023 - dooc
- More compression with Image Catalyst
- 21/09/2023 - Alexei
- wrong version for download?
- 06/09/2023 - Andrew
- Is there Linux version?
- 24/08/2023 - Victor Pashynsky
- JPEG compression level resets on startup
- 24/08/2023 - Brian Crowe
- Pinga feature
- 22/08/2023 - qD
- Please add -notime setting to pinga
- 18/07/2023 - Anonymous
- new pingo can't lossy compress as much as old pingo (with -pngpalette)
- 12/07/2023 - Thibaud
- "incorrect command-line or processing"
- 07/07/2023 - Snowknight26
- Feature request: option to set output directory
- 03/07/2023 - Philip
- Cannot disable JPG subsampling as of v1.00?
- 01/07/2023 - Dinesh
- -noalpha flag is not taken into account
- 23/06/2023 - Vincent Rabaud
- Website - missing downloads
- 21/06/2023 - James Pous
- Donation from Russia
- 20/06/2023 - Anton
- v1.00: can no longer do lossless JPG rotation
- 19/06/2023 - Mikko Valorinta
- Pinga 0.50 - will not remove all EXIF data
- 17/06/2023 - James Pous
- -nostrip does not respect EXIF tags
- 16/06/2023 - Aaron Reitz
- using -resize on input smaller than resize param = no processing
- 09/06/2023 - Thibaud
- -grayscale fails on CMYK JPEGs
- 28/05/2023 - Dinesh
- pingo a70 performs worse than ECT on specific image
- 12/05/2023 - dwc
- Some png types don't support being converted to jpg
- 28/04/2023 - xz
- feature request: set quality separately for png and jpg using -auto=
- 21/03/2023 - megalol
- Provide option to disable AVG and PAETH filters for PNGs
- 13/03/2023 - Dinesh
- Standalone version for lossless optimization
- 24/02/2023 - test
- 24-bit grayscale JPEGs not converted
- 23/02/2023 - Dinesh
- pingo's lossless is converting RGB16 to RGB8 which creates...
- 19/02/2023 - Tadeusz
- pinga - Write full version info to registry
- 07/02/2023 - Olav
- Show full version in pinga -> Settings
- 07/02/2023 - Olav
- Pinga failing to optimise PNG on extreme or high compression
- 27/01/2023 - Wayne
- Please provide attribution for 3rd party libraries
- 19/01/2023 - fhanau
- jpeg compression bug
- 18/01/2023 - iki
- pinga 0.42d be detected Malicious by SecureAge
- 16/01/2023 - xz
- pinga 0.42d not work with last pingo 0.65
- 04/12/2022 - pulp25
- AVIF File (WAVIF 0.10) not compatible with Android 12
- 17/11/2022 - James Pous
- wavif 0.08 doesn't detect files
- 17/11/2022 - dwc
- Donations
- 26/09/2022 - LuisB
- Pingo (a34) Does Lossy Optimizations to PNG File in Lossless Mode
- 21/09/2022 - Alex
- worse compression in every single version after a21
- 11/09/2022 - subash
- wrong setting option in pinga 0.42c
- 19/07/2022 - wlz
- Improvement: allow to keep the original modification date of the file
- 10/07/2022 - Larry
- Pinga 0.42 - optimize jpegs have colour errors in Photoshop Elem. 2022
- 05/07/2022 - James Pous
- apng compression has no effect on v1 with some files but with v0.99 ok
- 24/06/2022 - megalol
- arbitrary resize values
- 14/06/2022 - thibaud
- Do not work on folder path with Japanese
- 14/06/2022 - Kay
- Option to save color for transparent pixels
- 30/05/2022 - Tim
- Corrupts PNGs
- 24/05/2022 - Anon
- Pingo (a17) Crashes When Attempting to Optimize PNG File
- 22/05/2022 - Alex
- png compression improvements
- 15/05/2022 - doc
- Filenames with dashes (-) at the beginning crash pingo
- 25/04/2022 - Dashing
- Put a history of versions.
- 21/04/2022 - Put a history of versions.
- bad command for '-jpgsub' option
- 05/04/2022 - Kyle Yue
- Can I specify the number of threads to use?
- 02/04/2022 - ect
- Malformed lossless output on transparent gradient
- 26/03/2022 - Viscerous
- pinga window starts to large to use when using custom DPI
- 14/03/2022 - Marcus Widerberg
- -webp-loss command does not create webp image
- 14/03/2022 - squoosh
- Pingo (a14) JPEG File Rotation Isn't Always Lossless
- 06/03/2022 - Alex
- Doesn't attempt to compress large JPG (14035x19726, 196MB)
- 21/02/2022 - eggplant
- Two big bugs
- 18/02/2022 - Donator110421
- Resize
- 15/02/2022 - Anon
- Pingo (a9) Issues With CMYK JPEG File
- 10/02/2022 - Alex
- Doesn't work on large PNG Files
- 09/02/2022 - GWD
- Freeze on particular PNG
- 06/02/2022 - Pingogeek
- What is the license on this software
- 03/02/2022 - Bits
- Grayscale conversion problems
- 28/01/2022 - Coriy
- Antivirus issue
- 20/01/2022 - Val
- pingo for alpha 1.0
- 18/01/2022 - doc
- alternate to alpha
- 28/12/2021 - rv
- a2 download link leads to 404
- 22/12/2021 - dwc
- make option -ouput file
- 21/12/2021 - henson
- Unsupported characters in filenames
- 12/12/2021 - Greg
- License
- 23/11/2021 - Etienne
- Weird error when folder name starts with -
- 16/11/2021 - Nicholas
- Scale
- 16/11/2021 - Enes Sahin
- Support MacOs version
- 12/11/2021 - Yuriy Levchenko
- Separate path and filename to make filenames easier to read
- 03/11/2021 - Harrison
- No WebP Generated
- 03/11/2021 - Kane
- no linux-installer
- 31/10/2021 - JoKalliauer
- -jpgconvert producing color JPEG for grayscale PNG inputs
- 20/10/2021 - dan
- Pinga - minimize program window
- 03/10/2021 - James Pous
- Chinese symbols in the folder stops pingo from working
- 03/10/2021 - folder with chinese symbols problem
- Can produce larger output, still overwrites input
- 28/09/2021 - Ken
- lossless settings produce lossy output for some inputs
- 27/09/2021 - Ken
- Inconsistent lossless result when input is folder
- 26/09/2021 - Tam Vo
- RLE
- 21/09/2021 - Matz JB
- How to compress without replacing
- 19/09/2021 - Brunoais
- -nodate command
- 19/09/2021 - Curtis Underwood
- Percentage of compression
- 30/08/2021 - Doc
- suggestion to add forcing RGB color space
- 29/08/2021 - h3oCharles
- Question about lossy webp
- 08/08/2021 - sutu
- Pingo installation reset settings
- 30/07/2021 - James Pous
- Pingo Crashes When Losslessly Optimizing WebP Files (v0.99.2)
- 20/07/2021 - Alex
- pingo - experimental level 'c' not available
- 16/07/2021 - Snowknight26
- pinga v0.37.1 download 404's
- 15/07/2021 - dwc
- Exif information is always removed
- 14/07/2021 - Thomas
- Move pinga default installation directory elsewhere? read desc
- 14/07/2021 - Yiss
- How will we know if a new version has been released?
- 10/07/2021 - dwc
- Pinga 0.37 - F2 key - error message
- 10/07/2021 - James Pous
- Version 0.99 rc4 (16) ignores 'keep RGB values' and -noalpha
- 22/04/2021 - Gura
- Set process priority please
- 11/04/2021 - Donator110421
- Pinga GUI latest version 0.99 RC 4 (16) - correct saved space calculation?
- 09/04/2021 - James Pous
- Strip jpg problem
- 07/04/2021 - mano
- -srgb conversion problem with -s9
- 16/03/2021 - Javi
- JPEG XL in the future?
- 23/01/2021 - Olav
- Difference between -grayscale and -grayscale -s0
- 19/01/2021 - Donald P.
- Add option to optimize for decompression speed
- 04/01/2021 - dwc
- Better compression level
- 02/01/2021 - mano
- -noalpha doesn't always work
- 02/01/2021 - mano
- wavif apricot.avif example looks awful when opened in new tab
- 19/12/2020 - dwc
- -pngpalette only works on 24bpp images
- 19/12/2020 - dwc
- Webp becomes way too colorfull?
- 20/10/2020 - asdf
- Compression level vs quality level
- 14/09/2020 - Sam
- Can't compress files staring with -
- 10/09/2020 - megapro17
- Pingo on linux abandoned?
- 10/09/2020 - Brunoais
- AVIF support
- 06/09/2020 - Bbg
- -pngpalette with values 70-74 produces the wrong amount of colors
- 5/09/2020 - dwc
- Pingo removing PNG-pHYs section
- 01/09/2020 - Devedse
- buffer input
- 31/08/2020 - Costa
- reproduce results of Pingo with cwebp
- 31/08/2020 - jaff
- This specific image causes Pingo to crash
- 19/08/2020 - Andrew
- Options for scripting
- 08/05/2020 - Ignacio Carrera
- pngfilter makes images darker
- 27/04/2020 - anon
- auto parameter
- 20/04/2020 - Pavel
- cannot convert jpg to webp [rc2 15]
- 18/04/2020 - sk
- Pinga (latest version) - multiple optimization and every time the some saved space!
- 17/04/2020 - James Pous
- Pinga GUI 0.99 latest version - Do not optimize huge amount of jpeg files
- 04/04/2020 - James Pous
- Segmentation fault on Linux
- 26/03/2020 - Jeff
- default parameters in pinga
- 21/03/2020 - Zcehtro
- Certain text characters are not processed
- 21/03/2020 - Zcehtro
- png lossy compress issue & compressed size
- 13/03/2020 - Adam
- Problem with jpgquality param?
- 12/03/2020 - Tz
error: bad command
when invoking -nodate- 22/02/2020 - Rob
- version 0.99 rc1 png lossy quality
- 18/02/2020 - Adam
- Different behavior on Linux and Windows
- 13/02/2020 - Grzegorz Konefał
- PNG-48 procceesed to PNG-24
- 11/02/2020 - Fred
- Feature request: rotate, crop and scale
- 27/01/2020 - Grzegorz Kulewski
- Cannot download zip using wget or curl
- 20/01/2020 - Lucas Rolff
- Input profile is operating on wrong colorspace
- 14/01/2020 - Rei
- License
- 03/01/2020 - Luc
- Problem when a JPEG and a PNG have the same file name
- 30/12/2019 - Javi
- Need a way to limit
- 23/12/2019 - doppler56
- pinga ignores UNchecked strip: jpg and removes whole exif
- 14/12/2019 - Alex
- INI file in GUI is not being used
- 16/12/2019 - Frederick
- Filtering with -pngfilter
- 11/12/2019 - Letranger
- Auto mode and PNG JPG convertion
- 05/12/2019 - Grzegorz Kulewski
- Why exit on any error when batch processing?
- 11/11/2019 - Paul
- Pinga lossless compression worse than PNGSlim
- 10/11/2019 - Michael
- ESC always active listen
- 08/11/2019 - doppler56
- Multiple operational comments
- 06/11/2019 - doppler56
- How to set the output file?
- 01/11/2019 - Brunoais
- linux absolute paths yields
bad command
- 01/11/2019 - Brunoais
- Found a PNG that is not reduced while pngout does the job just fine
- 01/11/2019 - Brunoais
- png lossy and lossless compress question & RGBA32 conversion to RGB24 question
- 30/10/2019 - Adam
- -grayscale does not set colorspace to gray
- 23/10/2019 - Habere
- A flag to delete original/larger file after auto-conversion
- 26/09/2019 - Red
- -webp changes the dimensions of the pic
- 24/09/2019 - Totor
- Color palette
- 22/09/2019 - JVR
- -webp not working with .jpeg
- 19/09/2019 - Totor
- pingo finding the true format of a pic
- 18/09/2019 - Totos
- Where Alpha=0 RGB is cluttered with data
- 17/09/2019 - Matz
- GUI Installer always install in Program Files
- 02/09/2019 - Stoyan
- [Bug] Unhandled full path
- 01/09/2019 - Habere
- gui not support jpeg
- 30/08/2019 - gui not support jpeg
- pinga 0.19 and Windows 10
- 30/08/2019 - JamesPous
- This particular PNG gets skipped when converting to WebP
- 27/08/2019 - Lubos
- Can't run
- 09/08/2019 - Damien
- JPG crashed Pingo
- 08/08/2019 - Rooter
- Please add flags to keep EXIF and IPTC data
- 08/08/2019 - Rooter
- Permission to advertise pingo and create tutorials in other languages
- 24/07/2019 - Cinthia
- Alpha channel of a RGBA png has been wrongly removed
- 23/07/2019 - Taigacon
- Mac Support
- 23/07/2019 - Kane
- -noext does not work
- 21/07/2019 - anonymous
- Version information?
- 11/07/2019 - DrD
- pingo does not convert files if a file with the same basename exists
- 21/05/2019 - Snowknight26
- FLIF support
- 10/05/2019 - Habere
- Save in the Same Folder
- 04/04/2019 - Marco
- Unexpected behaviour
- 31/03/2019 - User
- Crash when handling certain file
- 21/03/2019 - Steven
- Suggestions to palette reduction
- 19/03/2019 - DrD
- mozjpeg get more compress than pingo -s9
- 24/02/2019 - Lucas Valieri
- Feature requests (though they/05/be outside of the parameters of
Web Optimizer
) - 10/02/2019 - timegrinder
- APNG is immediately deleted
- 28/01/2019 - Dinesh
- Optimizing subsampled JPEGs produces standard-nonconforming results
- 28/01/2019 - Dinesh
- Pinga 0.15 with latest Pingo 0.98.52 does not optimize
- 27/01/2019 - James Pous
- pingo vs pinga compression level
- 09/01/2019 - X.K.
- benchmarks refresh?
- 14/12/2018 - benchmarks
- Pingo window title
- 27/10/2018 - Lord_D
- Processing subfolders
- 26/10/2018 - Palamber
- Please add
-nodatecheckbox in pinga - 15/10/2018 - Zerofool
- Pinga v14 Not multithreaded
- 15/10/2018 - Hakker
- zero-alpha pixels sometimes not preserved with -lossless/-noalpha
- 13/10/2018 - boring
- 0.98.26 broken on this image again
- 5/10/2018 - Intrinsic
- License type
- 13/09/2018 - Costa
- Pinga fails with NTFS long path
- 29/08/2018 - Olav R. B.
- Pinga 0.08 - admin rights
- 22/08/2018 - James Pous
- Pingo memory leak/high ram usage when processing large number of files
- 15/07/2018 - sims
- Unicode filenames and folder names not working properly
- 01/06/2018 - Veggie
- Strip and lossless
- 29/05/2018 - Javi
- Brotli for PNG
- 12/05/2018 - Morgz
- Parameters order
- 12/05/2018 - Nilsson
- pingo 64-bit 0.96zx -s9 breaks alpha
- 10/05/2018 - Aaron
- Pingo crash (PNG)
- 07/05/2018 - Javi
- Input size cap issue
- 11/04/2018 - Mathieu
- Pinga can't handle many files
- 9/04/2018 - Olav R. Birkeland
- Pingo crash (JPG)
- 06/04/2018 - Javi
- Special kind of JPEG optimization
- 01/04/2018 - Manuel
- Second pass
- 27/03/2018 - Javi
- errors with uncommon png-file
- 17/01/2018 - nastyslave
- JPEG related crashes
- 11/01/2018 - Lord_D
- Will pingo be open source?
- 08/01/2018 - ye4241
- Corrupted images
- 01/01/2018 - Aaron
- More Compression?
- 12/12/2017 - Pierre
- Converting to PNG is smaller than JPEG sometime
- 13/11/2017 - g.hyde
- Pingo as dll for program including?
- 22/09/2017 - Wingcrony