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Calculate your monthly loan payment (EMI), total interest, and total amount paid. Fast, shareable, and fully explained with the amortization formula.
Calculate percentages three ways: find X% of a number, find what percent one number is of another, or compute the percentage change between two values.
Convert between metric and imperial units instantly. Length, weight, volume, and temperature conversions with step-by-step explanations and worked examples.
Encode text to Base64 or decode Base64 back to plain text instantly. Supports UTF-8 and international characters. Runs entirely in your browser.
Convert between 20 major currencies using daily ECB exchange rates. Covers USD, EUR, GBP, JPY, INR, CAD, AUD, CHF, and more. Rates updated daily.
Generate cryptographically random UUID v4 or time-ordered UUID v7 online. Supports standard, no-hyphen, and uppercase formats. Generate up to 10 UUIDs at once.
Generate MD5, SHA-1, SHA-256, SHA-384, and SHA-512 hashes online. All hashing is done in your browser using the Web Crypto API — your data never leaves your device.
Format, validate, and minify JSON online. Pretty-print with 2/4 spaces or tabs, minify for compact storage, and see exact error line/column for invalid JSON.