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Honest note: this tool re-saves your PDF with streamlined object storage. It trims overhead but cannot recompress images already inside the file, so results vary: text-heavy PDFs shrink more, image-heavy ones may barely change.
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Download compressed PDFFrequently asked questions
How much smaller will my PDF get?
It depends on the file. This tool re-saves your PDF with streamlined object storage, which trims overhead. Text-heavy PDFs usually shrink noticeably; PDFs full of photos may barely change because their images are already compressed.
Is my PDF uploaded anywhere?
No. Compression runs entirely in your browser with the pdf-lib library. Your document never leaves your device.
Will compression hurt quality?
No. The tool does not recompress images or remove content; it only re-saves the file more efficiently, so visual quality is unchanged.
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