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, JPEG, JPEG-2000, PNG, PDF, PhotoCD, TIFF, and DPX.
XnConvert is an easy image converter for graphic files, photos and images available on Windows, MacOSX and Linux.
78 alternatives to RIOT - Radical Image Optimization Tool
- Free • Proprietary
- Image Optimizer
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 choosing the right parameters are the key factors of smaller files.
WinFF is a GUI frontend and batch parser for the command-line multimedia tool FFmpeg. WinFF works by making a batch file that runs in the command-line, designed to launch the command-line tool with given settings from a preset.Discontinued
The last version (1.5.5) is from June 2017, and it says on the website that it's no longer developed.
AnvSoft Any Video Converter is the most renowned video converter for converting video files between various formats, with fast converting speed and excellent video quality.
Pay attention and uncheck SpyHunter (unsafe) under "custom installation" during the software update.
Convert and Rename images in batch mode
Support JPEG, BMP, GIF, PNG, TIFF and JPEG2000
Resize, crop, change color depth, apply color effects, add text, watermark and border effects
Rename images with sequential number
Search and replace texts in the file names
Oxipng is a multithreaded lossless PNG compression optimizer in Rust. It can be used via a command-line interface or as a library in other Rust programs.
KRename is a very powerful batch file renamer which can rename a list of files based on a set of expressions. It can copy/move the files to another directory or simply rename the input files. KRename supports many conversion operations.