Professional AES-256 symmetric encryption and decryption utility using secret passphrases.

Process text into Base64 format and decode encoded strings back to UTF-8.

Generate and verify cryptographically secure bcrypt hashes with custom salt rounds.

Generate SHA-256, SHA-512, SHA-3, MD5 and HMAC message digests instantly.

Decode JSON Web Tokens (JWT) to view header, payload, and data claims without sharing your secret.

Quickly generate 128-bit MD5 hashes for simple checksums and legacy data verification.

Generate human-readable but highly secure passphrases using the Diceware method.

Generate high-entropy, cryptographically secure random passwords and secrets for your applications.

Generate secure 256-bit SHA-2 cryptographic hashes for text and sensitive data verification.

Safely encode special characters for URLs (RFC 3986) or decode percent-encoded strings back to UTF-8.

Calculate Compound Annual Growth Rate for investments over time.

Visualize how your money grows over time with the power of compound interest. Calculate savings goals and investment returns.

Calculate monthly mortgage payments and view amortization schedules.

Calculate Return on Investment (ROI) to measure profitability.

Calculate the percentage gain required to recover from a stock market loss and visualize the mathematical asymmetry.

Calculate the distance and slope between two points on a Cartesian plane.

Calculate the missing side of a right triangle. A² + B² = C².

Calculate the volume of various geometric shapes including cubes, cylinders, spheres, and cones.

Convert numbers between Binary, Octal, Decimal, and Hexadecimal systems.

Calculate the power of a number. Raise a base to an exponent (x^y).

Calculate logarithms with any base. Solve for log_b(x) instantly.

Solve percentage problems quickly: X is what percent of Y? What is X% of Y? Calculate percentage increase or decrease.

Find the square root, cube root, or any nth root of a number.

Convert numbers to scientific notation and round to significant figures.

Calculate Density, Mass, or Volume. rho = m / V.

Solve SUVAT equations for constant acceleration motion.

Calculate Voltage, Current, or Resistance. V = I * R.

Calculate range, max height, and flight time of a projectile.

Calculate mean, median, mode, range, and more from a list of numbers instantly.

Explore Normal (Gaussian) and Binomial probability distributions.

Calculate Permutations (nPr) and Combinations (nCr). Understand the difference between ordered arrangements and selections.

Convert between Length, Mass, Temperature, Time, Area, Volume, and Speed units instantly. Supports Metric and Imperial systems.