All Tools

IPv4 Address Converter Convert IPv4 between dotted, integer, hex and binary. Convert IPv4 Range Expander Expand an IP range into the full list of addresses. Expand IPv4 Subnet Calculator Compute network, mask, broadcast and host range. Calc Crontab Generator Build cron expressions with a human-readable description. Calendar Chmod Calculator Convert between numeric and symbolic file permissions. Calc BIP39 Mnemonic Generator Generate BIP39 mnemonic seed phrases. Generate TOTP Authenticator Generate 2FA time-based one-time passwords. Clock HMAC Generator Compute HMAC-SHA1/SHA256/SHA512 message auth codes. Hash RSA Key Pair Generator Generate an RSA public/private key pair in PEM. Generate AES Encrypt / Decrypt Encrypt or decrypt text with AES-GCM (WebCrypto). Encode Bcrypt Hash Generator Hash text with bcrypt or verify against an existing hash. Hash Email Normalizer Trim, lowercase and dedupe an email list. Email Docker Run to Compose Convert a docker run command into compose YAML. Convert Basic Auth Generator Build an Authorization: Basic header from credentials. Encode Text to Unicode Escape Escape text to \uXXXX unicode sequences. Encode JSON Viewer View JSON as an indented tree with types. Parse JSON to TypeScript Generate TypeScript interfaces from JSON. Code JSON to XML Convert JSON objects to XML markup. Convert JSON to TOML Convert JSON to TOML config format. Convert TOML to JSON Convert TOML config to JSON. Convert YAML to JSON Convert YAML to readable JSON. Convert JSON to YAML Convert JSON to a clean YAML document. Convert Probability Compute basic probabilities. Probability Average Arithmetic mean of numbers. Average Roman Numeral Convert to/from Roman numerals. Roman Modulo Remainder of division. Modulo Power Raise a number to a power. Power Square Root Square root of a number. Root Complex Complex add/sub/mul/div. Complex Trigonometry Sin, cos, tan and more. Trig Logarithm Compute log and ln. Log Statistics Mean, median, variance, std. Stats Geometric Seq Sum a geometric sequence. Sequence Arithmetic Seq Sum an arithmetic sequence. Sequence Matrix Add, multiply, transpose matrices. Matrix Combination Combinations of n take r. Combine Permutation Permutations of n take r. Permute Factorial Compute a factorial. Factorial GCD/LCM GCD and LCM of two numbers. GCD Prime Factor Factor an integer into primes. Factor Prime Checker Tell if a number is prime. Prime Split Bill Split a bill by people. Split Discount Compute discounted price. Discount Unit Price Compute unit price. Unit Time Duration Duration between two times. Duration Age in Days Days since birth. Age Months Between Months between two dates. Date Weeks Between Weeks between two dates. Date