Alternatives to Black Bird Image Optimizer for all platforms with any license

ImageMagick

ImageMagick is a software suite to create, edit, and compose bitmap images. It can read, convert and write images in a variety of formats (about 100) including GIF...

Free Open Source Mac Windows Linux iPhone iPad ... Xfce
Batch image manipulation Batch processing Command line Geotagged Photos ... Image Editing RAM Scraping Protection Watermarking Add a feature

127 Like
ImageOptim

ImageOptim makes images load faster. Removes bloated metadata. Saves disk space & bandwidth by compressing images without losing quality.

Free Open Source Mac Web Software as a Service (SaaS)
Remove EXIF Data Lossless Compression Support for Multiple threads PNG Compression Add a feature

68 Like
Caesium Image Compressor

Caesium Image Compressor lets you compress your pictures up to 90% without visible quality loss. Providing a simple yet effective interface with a real-time preview and...

Free Open Source Mac Windows Linux Web Android
Batch rename files Batch processing Drag n drop Multiple languages ... Portable Add a feature

33 Like
RIOT - Radical Image Optimization Tool

Saving images for web/email/other media with the best compression ratio and quality is a difficult task if you don’t have the right tools. Choosing the right format then...

Free Windows GIMP XnView IrfanView
No features added Add a feature

80 Like
FileOptimizer

FileOptimizer is an advanced file optimizer featuring a lossless file size reduction.

Free Open Source Windows Wine
Drag n drop Easy to use Compression Open Source apps ... Portable Supports loads of file formats Add a feature

30 Like
PNGGauntlet

-Combines PNGOUT, OptiPNG, and DeflOpt to create the smallest PNGs -No image quality is lost — only file size -Converts JPG, GIF, TIFF, and BMP files to PNG ...

Free Windows
Lossless Compression File Compression Compression Image Processing ... Works Offline PNG Compression Add a feature

30 Like
pngquant

pngquant is a command-line utility and a library for lossy compression of PNG images. The conversion reduces file sizes significantly (often as much as 70%) and...

Free Open Source Mac Windows Linux
Image Processing Add a feature

9 Like
TinyPNG

TinyPNG uses smart lossy compression techniques to reduce the file size of your PNG files. By selectively decreasing the number of colours in the image, fewer bytes are...

Free Web
PNG Compression Add a feature

16 Like
GraphicsMagick

GraphicsMagick is the swiss army knife of image processing. Comprised of 282K physical lines (according to David A. Wheelers SLOCCount) of source code in the base...

Free Open Source Mac Windows Linux
Batch processing Image Editing Add a feature

17 Like
Phatch

Phatch is an user friendly, cross-platform Photo Batch Processor and Exif Renamer with a nice graphical user interface. Phatch handles all popular image formats and can...

Free Open Source Mac Linux
Batch rename files Batch processing Drag n drop Watermark images Add a feature

27 Like
JPEGmini

JPEGmini is a patent-pending photo recompression technology, which significantly reduces the size of photographs without affecting their perceptual quality. The...

Commercial Mac Windows
Reduce size Add a feature

21 Like
PhotoBulk

PhotoBulk is easy-to-use bulk image editor that lets you add text/image watermark, resize, and optimize hundreds and thousands of images or photos in just one click. ...

Commercial $ $ $ Mac
Batch processing Drag n drop Image Editing Watermark images ... Image Preview Add a feature

17 Like
PngOptimizer

PngOptimizer compresses graphics files and removes extra, unnecessary data without affecting quality. It will update PNG files or converting BMP, GIF or TGA files to the...

Free Open Source Windows Linux PortableApps.com
Portable Add a feature

16 Like
OptiPNG

OptiPNG is a command-line PNG optimizer that recompresses image files to a smaller size, without losing any information. This program also converts external formats...

Free Open Source Mac Windows Linux
Command line Compression Image Processing PNG Compression Add a feature

18 Like
Gifsicle

Gifsicle is a command-line tool for creating, editing, and getting information about GIF images and animations. Making a GIF animation with gifsicle is easy. Some...

Free Open Source Mac Windows Linux
Command line Command line interface Add a feature

12 Like