Why Is My File So Big?

Upload a PDF or image and get a visual breakdown of exactly what's eating the size — embedded images, fonts, metadata, JavaScript, and more. Free, instant, 100% private.

Drop a PDF or image here

PDF, JPG, PNG, WebP — any file you want to diagnose

Object-Level Scanning

For PDFs: scans every internal object and categorizes by type — images, fonts, content, metadata, JavaScript. Not a guess.

100% Private

All analysis runs in your browser. Your PDF or image never leaves your device — no upload, no server.

Shareable Insight

"Turns out 90% of my PDF was one image" — the breakdown gives you a concrete answer, not just a number.

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