Lossless Compression
Compression that preserves all original data.
Definition
Output can be restored exactly to original source bytes.
Why it matters
Preferred for logos, diagrams, archival needs, and repeated edits.
Related PDFHQ workflows
Use this concept when optimizing, converting, validating, or troubleshooting document workflows.
Related Knowledge
Techniques used to reduce file size while balancing quality.
TIFF is a flexible high-fidelity raster image format used in scanning and publishing.
PNG is a lossless raster format with strong support for transparency and crisp graphics.
JP2 (JPEG 2000) is a wavelet-based image format offering high-quality compression options.
The relationship between original size and compressed output size.
Tools to Apply This
Convert images such as JPG and PNG into PDF files.
Convert PDF pages into image files.
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