Why is my PDF so big?

Visualize every byte of a PDF file as an interactive treemap directly in your

Unclaimed

1 ratings3.97

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CategoryProductivity

PlatformWeb

PricingFree

A free web tool that analyzes PDF file size by displaying images, fonts, pages, and other components as an interactive zoomable treemap. It helps users understand why a PDF file is large and compare original and optimized versions without uploading files to any server.

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3.97

1 reviews

Product

4.47

Design & Polish

3.97

Performance

3.47

Mobile PageSpeed

Performance: 99 out of 100, Good
Accessibility: 95 out of 100, Good
Best Practices: 100 out of 100, Good
SEO: 100 out of 100, Good

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CategoryProductivity

PlatformsWeb

PricingFree

AccountNot confirmed

ListedSeptember 2026

WebVisit

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Website checks

Mobile PageSpeed

Performance: 99 out of 100, Good
Accessibility: 95 out of 100, Good
Best Practices: 100 out of 100, Good
SEO: 100 out of 100, Good

Website checks are queued. Results will appear here when complete.

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