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DevToolKit
8 developer utilities — all run in your browser, nothing leaves your machine.
base64
url
jwt
hash
color
timestamp
json
regex
Base64 Encode / Decode
input
output
encode →
← decode
copy
swap
URL Encode / Decode
input
output
encode →
← decode
copy
JWT Decoder
token
decode
header
payload
timestamp analysis
Hash Generator
input
Color Converter
hex
rgb
hsl
Unix Timestamp Converter
unix (seconds)
iso 8601
—
now (sec)
—
now (ms)
—
relative
use now
copy unix
JSON Formatter & Validator
input
output
format
minify
2 spaces
4 spaces
tab
copy
Regex Tester
/
/
test string
Hello World 123 foo@bar.com test@example.org
matches