JSON formatter, regex tester, hash generator, URL encoder and more — all free, all browser-based
Format, validate, minify and explore JSON with tree view, syntax highlighting and error detection.
Use ToolGenerate MD5, SHA-1, SHA-256, SHA-512, SHA-3 and CRC32 hashes for text or files.
Use ToolAES-256, Caesar, ROT13, Vigenère, Atbash, Morse Code and Base64 — all in your browser.
Use ToolConvert Unix timestamps to readable dates and vice versa. Timezone and date difference support.
Use ToolIPv4/IPv6 converter, subnet calculator, CIDR, binary/hex/decimal conversion and class detection.
Use ToolConvert between binary, octal, decimal, hex and any base 2–36 with bit-level view.
Use ToolGet decimal, hex, binary, HTML entity, CSS escape and UTF-8 bytes for any character.
Use ToolURL encode/decode and Base64 encode/decode with size comparison and swap functionality.
Use ToolTest regex patterns with live highlighting, capture groups, replace mode and a cheat sheet.
Use ToolA suite of browser-based developer utilities for everyday coding tasks. Format JSON, test regex patterns, generate hashes, encode URLs, convert timestamps, analyse IP addresses and decode binary. All tools run client-side — your data never leaves your browser.
| Tool | Input | Output | Common Use |
|---|---|---|---|
| JSON Formatter | Raw JSON | Formatted/minified | API response debugging |
| Hash Generator | Any text/file | Hash string | Password hashing, integrity |
| URL Encoder | Text/URL | Encoded string | Query parameters, APIs |
| Regex Tester | Pattern + text | Match highlights | Validation, extraction |
| Timestamp | Unix timestamp | Human date | Log analysis, debugging |