Compress PDF

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Compression level Lossless - no quality change Medium - recommended Strong Extreme - smallest Lossless - no quality change: Recompresses the file structure. Text stays selectable and images keep full quality. Best for documents that were saved without compression. Medium - recommended: Re-encodes images at 150 dpi. Good balance between size and quality for on-screen reading and printing. Strong: Re-encodes images at 72 dpi. Much smaller, but fine print and small text may look soft. Extreme - smallest: Re-encodes images at 50 dpi in greyscale. Smallest result; only suitable for on-screen reading.