Free batch advanced image converter and image editing application.
reaConverter Lite can handle ultra-fast batch conversions between JPEG, GIF, TIFF, PNG and BMP images with access to lots of advanced picture editing techniques such as:

Alteration and Orientation tools: Resize, Crop, Canvas Size, Rotate, Mirror, Auto Crop, Auto Rotate

Adjustments tools: Brightness/Contrast, Color Balance, Gamma Correction, Hue/Saturation, White Balance, Photo Filter, Black & White, Invert, Color Depth

Creative Retouching tools: Sharpen, Blur, Anti-aliasing, Stylize, Border, Shadow, Noise, Selective Color Change, Background Change, Lens Correction, JPEG Artifacts Remove, Black and White Noise Remove

Watermarking tools: Image Watermark, Text Watermark, Dynamic Watermark, Primitive Drawings

Free version of reaConverter Lite also supports all formats features and tuning like:
Change Color Space (CMYK, RGB, YCbCr, ...), Copy Metadata (EXIF, IPTC), Transfer Alfa Channel, Set DPI, Manage ICC Profile, Control Bit Depth, Format-Specific Saving Settings, Alter Multi-Page Settings, Select Transparency Color, Add TIFF Compression (CCITT, LZW, RLE, ...), Set Quality.

Additional free features: Process Files from ZIP Folders, Create Thumbnails, Move Original Files, Move Unprocessed Files, Delete Files After Conversion, Set Manual File Date, Keep Path Info and Folders Structure, Name Files with Macros, EXIF and TIFF Tags, Skip Blank Files or Pages.

reaConverter Lite is uber-powerful and free image conversion tool with a great variety of features. It gives advanced solution for image processing and tuning.

• ReaConverter 6.9
  Understandable on a hunch, ReaConverter makes batch image conversion and oft-recurring picture editing simple for you. ReaConverter is time-saving image converting program that...

• ReaConverter Pro - advanced image converter 3.5
  ReaConverter Pro is a powerful batch image conversion software application with an unrivaled number of supported graphics file formats over 340

• ReaConverter Pro 7.3.32
  Convert Multiple Images Quickly with a Bulk Image Converter reaConverter is a bulk image converter providing a quick and convenient way to convert any number of images with just a few clicks. Thanks to its simple and clear interface, the program...

• ReaConverter Pro 5.5
  Powerful Windows application that makes it easy to touch up, transform, apply effects, and rename hundreds of photos as well as convert image files from 400+ formats in a single operation

• ReaConverter Lite 5.5
  Powerful Windows application that makes it easy to touch up, transform, apply effects, and rename hundreds of photos as well as convert image files from 400+ formats in a single operation. ReaConverter 5.5 supports both single and batch mode image conversion. Combination of simple interface with wide range of various functions provides a lot of...

• ReaConverter Standard 5.5
  Powerful Windows application that makes it easy to touch up, transform, apply effects, and rename hundreds of photos as well as convert image files from 400+ formats in a single operation

• ReaConverter Pro 5.5
  Powerful Windows application that makes it easy to touch up, transform, apply effects, and rename hundreds of photos as well as convert image files from 400+ formats in a single operation. ReaConverter 5.5 supports both single and batch mode image...

• ReaConverter - Professional Image Converter 4
  ReaConverter makes image conversion and oft-recurring picture editing simple

• ReaConverter Pro 3.
  Convert batch of image files between 340+ graphic formats

• ReaConverter Pro - advanced image converter 3.
  Combine batch image conversion between 340 formats with various image editing and saving operations at once or automatically scheduled