PDF Size Calculator

Understand PDF size at a glance: averages, print estimates and compression projections.

100% Browser-Based Processing — Your files never leave your device. No uploads, no server processing, complete privacy.

Choose PDF files

Drag & drop here, browse, or paste with Ctrl+V

File Details

Filename—

File Size—

Pages—

PDF Version—

Encrypted?—

Author—

Created—

Modified—

Large PDF detected. Processing may use more browser memory — keep other tabs light.

Preview

Tool Options

Load a PDF to analyze size…

Working…

How It Works

Private, local PDF processing in three steps.

⎘

Choose file

Drag & drop, browse, or paste a file. Nothing is uploaded.

→

⚙

Process in browser

All work runs locally with PDF.js / pdf-lib.

→

⇩

Download result

Save the output instantly to your device.

Zero server upload — every step runs inside your browser.

About PDF Size Calculator

Analyze PDF file size, pages, average page size, print/email estimates and compression savings — all in your browser. Built for privacy-first workflows: open the tool, choose a file, process locally, and download — without creating an account or sending documents to a server.

FAQs

Are my files uploaded?

No. Processing is 100% browser-based. Your files never leave your device.

Do I need to install software?

No. Any modern browser is enough.

Is this tool free?

Yes. FreeConverter.app online PDF tools are free to use.