Parse, edit, reorder, and rebuild URL query parameters without visiting the address.
URLs are parsed entirely in your browser. This tool never requests or opens the address.
ASCII / Char Code Viewer
Paste a string to see each character with its numeric code point underneath.
Byte / Bit Size Converter
Convert between bytes, kilobytes, megabytes, and more — in both SI and binary units.
PEM / Certificate Decoder
Inspect local X.509 certificates, validity, usages, SANs, and fingerprints.
JSON Formatter
Pretty-print and validate JSON with clear error messages.