Remove bulky non-essential data like EXIF tags, thumbnails, and comments to further decrease file size.
You can obtain jpegtran as part of various distributions and specialized projects:
jpegtran Download: A Guide to Lossless JPEG Optimization Efficiency in image compression is vital for web performance and user experience. is a specialized command-line utility for the lossless transformation and optimization of JPEG files. Unlike standard image editors that may re-encode (and thus degrade) an image, jpegtran works by rearranging the underlying compressed data (DCT coefficients). Key Features of jpegtran jpegtran download
Perform rotations (90, 180, 270 degrees), flips, and transposes without any quality loss.
Entropy encoding parameters can be optimized to reduce file size without changing pixel data. Remove bulky non-essential data like EXIF tags, thumbnails,
Crop images to specific boundaries (typically 8x8 or 16x16 pixel blocks) without re-compressing the area inside the crop. Where to Download jpegtran
Easily convert standard "baseline" JPEGs into a "progressive" format, which allows images to load gradually from low to high resolution on websites. Unlike standard image editors that may re-encode (and
Empowering image compression with 'jpegtran': practical tips