tools

free, fast, in-browser utilities — no signups

Developer

LCOV Viewer

visualize coverage reports (.dat)

open →
live

Text Diff Checker

side-by-side text comparison

open →
live

JSON Diff Checker

compare JSON with structure awareness

open →
live

HTML Viewer

render & inspect raw HTML

open →
live

Regex Tester

test & debug regex patterns

coming soon

JWT Decoder

inspect JWT payloads safely

coming soon

Text

Base64 Encode / Decode

encode or decode text instantly

coming soon

URL Encoder

encode & decode URLs

coming soon

Markdown Preview

live markdown rendering

coming soon

Case Converter

camel, snake, kebab, upper

coming soon

Data

CSV → JSON

convert CSV to structured JSON

coming soon

JSON → CSV

export JSON as CSV

coming soon

Timestamp Converter

unix ↔ human readable

coming soon

Security

Hash Generator

MD5, SHA-1, SHA-256

coming soon

Password Strength

check password entropy

coming soon