Heru's Tools

Random

Random string and number generator

QR Code

QR Code generator and reader

CSV Generator

Generate dummy CSV data for testing

Hash Util

Generate and verify hash values

CSV ⇄ JSON

CSV data to JSON or vice versa

JSON ⇄ SQL

JSON data to SQL or vice versa

JSON ⇄ POJO

JSON to Java POJO or vice versa

Base64 Util

Base64 encoder and decoder

Case Converter

Convert text case (upper, lower, title, etc)

Join Lines

Join lines with custom separator

Uniqify

Duplicate lines data remover

Diff Check

Compare two texts and highlight

Text Counter

Count characters, words, and lines

JSON Viewer

View JSON as tree data, table, etc

JWT Viewer

Decode and inspect JWT tokens

API Tester

Test and debug API endpoints

Regex Tester

Test and debug regular expressions