Free Online File Converter — No Sign-Up Required

Convert PDF, Word, Publisher, PowerPoint and Excel files online free. No account needed. Powered by LibreOffice — professional quality, no sign-up.

Convert
.pub .pdf
Convert My File — Free

🔒 Files are processed securely and deleted immediately. No account required.

How to convert in 3 steps

1
Go to the CalcHive File Converter — no account needed.
2
Select Microsoft Publisher (.pub) as your input format and choose PDF as the output.
3
Upload your file, click Convert, and download your result in seconds.

Frequently Asked Questions

What file formats are supported?
Publisher (.pub), PDF, Word (.doc/.docx), PowerPoint (.ppt/.pptx), Excel (.xls/.xlsx) and OpenDocument (.odt). More formats are being added.
Is there a limit on how many files I can convert?
No strict daily limit for personal use. The converter is powered by CloudConvert which handles fair-use volumes without issue.
Do I need to install anything?
Nothing to install. The converter runs entirely in your browser with server-side processing for format conversion.
Is this safe for sensitive documents?
Files are sent over HTTPS and deleted from CloudConvert's servers immediately after conversion. CalcHive never stores your files.
Can I convert files on my phone?
Yes — the file converter works on iPhone, Android and any mobile browser.

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