Tools
Free developer tools
Free, client-side developer utilities by Abel Solutions. Nothing you paste here leaves your browser — no accounts, no servers, no tracking.
/tools/jwt-decoder
JWT Decoder
Decode JWT headers and payloads instantly — nothing leaves your browser
/tools/uuid-generator
UUID Generator
Generate v4 and v7 UUIDs in bulk — client-side, cryptographically random
/tools/yaml-to-json
YAML ↔ JSON Converter
Convert YAML to JSON and back, live, with precise parse errors
/tools/chmod-calculator
Chmod Calculator
Convert between rwx checkboxes, octal, and symbolic permissions — live in all three directions
/tools/unix-timestamp
Unix Timestamp Converter
Timestamps to dates and back — seconds, millis, or micros, auto-detected