2on
2on is more than just tools and calculators. Soon you'll be able to create personal dashboards, track finances, monitor creators, save quick links, and manage notes in one place.
Most Commonly Used Calculators
Most Commonly Used Tools
Finance Sections
Every world currency with its live rate against any reference you pick, plus a dedicated page for the ones people look up most.
USD 
EUR 
TRY 
GBP 
JPY 
INR Live coin prices quoted against any currency you pick, with a dedicated page for each coin we track.
BTC 
ETH 
SOL 
XRP 
DOGE 
BNB Calculator Categories
Free date calculators in one place: days between dates, age, business days, week numbers, time zones and leap years - all in your browser.
Free financial calculators: loan payments, mortgage costs, compound interest, ROI, break-even point, discounts and salary raises - all in one place.
Free math calculators that work in your browser: a scientific calculator, fractions, statistics, equations, geometry and more. Nothing is uploaded.
Tool Categories
Free developer tools in your browser: MD5, SHA-1, SHA-256 and SHA-512 hashes, Base64 and URL encoders, JWT decoder and Unix timestamp converter.
Merge, split, rotate, number and watermark PDF files without uploading them. Everything runs in your browser, so the document never leaves your device.
Free document converters: turn Word files into PDF and PDF back into editable Word - no registration, no watermark and nothing to install.
