Everything you need to know about our free calculator tools and PDF editor suite.
Are the calculator and PDF tools really free to use?
Yes! All 140+ calculators and basic PDF tools are completely free. You can solve equations, convert files, merge and split PDFs without creating an account or paying anything. Our Pro plan unlocks unlimited volume and advanced editing features, but the core tools remain free forever.
What types of calculators are available on the platform?
We cover a wide range scientific, algebra, geometry, statistics, financial, loan & mortgage, percentage, unit converters, and specialized calculators for health and engineering. All tools run directly in your browser and deliver instant, accurate results with step-by-step explanations.
How secure are my uploaded PDF files?
Your privacy and security are our top priority. All file transfers are encrypted with TLS 1.3, and your documents are automatically deleted from our servers within 24 hours of processing. We never access, share, or store your files longer than necessary.
Can I edit PDFs without installing any software?
Absolutely. Our PDF editor runs entirely online add text, annotations, e‑signatures, and even fill out forms right from your browser. No downloads or installations required. It works on Windows, Mac, Linux, and mobile devices seamlessly.
Is the tool available on mobile phones and tablets?
Yes! The entire platform is fully responsive. You can perform calculations, edit PDFs, and use every tool on your smartphone or tablet. The interface adapts to your screen size, so you get the same reliable experience anywhere, anytime.
Do you offer API access for custom integrations?
Yes, Enterprise plans include API access that lets you embed our calculators and PDF tools directly into your own apps, websites, or workflows. Bulk PDF processing, white-label options, and dedicated support are also available. Contact us to discuss your needs.
