Free AI Tools Online
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Fermat Numbers Checker & Generator
Check if a number is Fermat or generate Fermat numbers quickly! Free online tool for mathematicians and number theory enthusiasts.
Sphenic Numbers Checker & Generator
Check if a number is sphenic or generate a list of sphenic numbers quickly and easily with our free online tool.
Automorphic Numbers Checker & Generator
Check if a number is automorphic or generate automorphic numbers instantly. Free online tool for number theory enthusiasts.
Happy Numbers Checker & Generator
Check if a number is happy or generate happy numbers within a range. Explore the fascinating world of happy numbers!
Mersenne Prime Numbers Checker and Generator
Check if a number is a Mersenne Prime. Generate Mersenne Primes quickly and easily with our free online tool.
Lucas Numbers Checker and Generator
Check if a number is a Lucas number or generate a sequence of Lucas numbers. Easy-to-use online tool. Learn about Lucas sequences.
Featured Tools
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Merge PDF
Merge PDF files online in your browser. Free, secure, no upload needed. Combine multiple documents into one instantly on any device.
Online Dice Roller
Roll dice online with realistic sound and instant totals. Choose D4, D6, D8, D10, D12, or D20 dice, up to 10 at once. online Virual Dices.
Sign PDF online
Sign PDF online for free. Draw your signature with mouse or touch, place it on any page, and download instantly. Secure, private, and browser-based.
Screenshot to Code Tool
Convert UI screenshots to clean, editable code instantly. AI-powered tool for developers & designers. Boost productivity with rapid prototyping.
Add Page Numbers to PDF
Add page numbers to any PDF in your browser. Choose position, style, ranges, prefixes and more. Fast, secure, no upload needed.
Image to PDF
Convert JPG, PNG, HEIC, WEBP, BMP, GIF, and more to PDF online. Free, secure, and fast. Reorder, set margins, choose page size, and download instantly.