Free Alternatives to Expensive Tools
Replace paid calculators & spreadsheet add-ons with free, instant tools — no sign-up required.
Calculator.net
150+ calculators with AI insights, no intrusive ads, and offline support — everything Calculator.net should have been.
Omni Calculator
AI-powered insights and offline support where Omni Calculator falls short.
Symbolab
Free AI-powered insights without the paywall. Math, finance, health, and more.
CalculatorSoup
A modern, AI-powered calculator platform without the ads or dated interface.
Bankrate
Unbiased calculations with AI insights — no affiliate links or product pushes.
GigaCalculator
Everything GigaCalculator offers, plus AI insights, offline support, and embeddable widgets.
Sejda
Edit text, OCR scanned pages, convert office files, sign PDFs, and organize pages from one browser tool.
PDF House
Conversion tools plus a full PDF editor, OCR, signing, and page management.
Files Editor
Purpose-built PDF editing, OCR, conversion, signatures, and page tools.
WolframAlpha
150+ purpose-built calculators with free AI insights — no Pro subscription, no query syntax to learn.
PDFSimpli
Edit, convert, sign, and summarize PDFs in your browser — download instantly, no paid trial required.
iLovePDF
All the everyday PDF tools — merge, split, compress, convert, sign — free, with a built-in AI assistant.
Smallpdf
Edit, convert, compress, OCR, and sign PDFs without a free-plan limit — and summarize them with AI.
PDFaid
Editing, annotation, OCR, and conversion — with a smoother interface and built-in AI.
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