PDF File Size Analyzer
Break down a PDF's total size into pages, images, fonts and structural bytes.
About the PDF File Size Analyzer
PDF File Size Analyzer inspects any PDF and reports its total size, page count, average size per page and an estimated byte breakdown between images, fonts and structure — so you know exactly why the file is big before you try to shrink it.
How to use
- Upload the PDF.
- Click Analyse and read the size breakdown table.
- Use the Compress PDF or PDF to Grayscale tool based on the biggest contributor.
Benefits & key features
- Diagnose oversized PDFs in seconds.
- Great pre-check before compression.
- Works for reports, scans, e-books and slide exports.
- Analysis runs in the browser — nothing is uploaded.
Pro tip
Scanned PDFs are usually 90%+ images. Run them through PDF to Grayscale then Compress PDF for the biggest size win.