File Size Calculator
Calculate sizes based on resolution and capacity
Password Strength Checker
Real-time security diagnosis
Password Generator
Create secure random passwords
ZIP Password Tool
Create or unlock password-protected ZIP files
Contrast Checker (WCAG)
Check color contrast against WCAG & auto-suggest passing colors
Test Dummy Data Generator
Generate realistic Japanese test data in CSV/JSON/SQL
SQL Formatter
Format and highlight SQL queries online
JWT Decoder
Decode JWT tokens locally and safely in your browser
chmod Calculator
Intuitively calculate and convert Linux chmod permissions
HTML to JSX Converter
Convert HTML to React/Next.js JSX automatically
Bcrypt Hash Generator & Checker
Securely hash and verify passwords with Bcrypt locally
Unix Timestamp Converter
Convert between Epoch seconds and readable dates
URL Encoder / Decoder
Encode and decode URL percent-encoding
Number Base Converter
Convert between binary, octal, decimal, and hex
Hash Generator
Generate SHA hashes from text or files instantly
YAML ↔ JSON Converter
Convert between YAML and JSON with real-time validation
JSON ↔ CSV Converter
Convert between JSON and CSV instantly
.env Validator
Validate .env syntax, detect duplicates, view variables
QR Code Safety Checker
Analyze QR code URLs for phishing and suspicious patterns
Git Commit Formatter
Generate Conventional Commits messages with emoji support
Dummy Contact Generator
Generate fake phone numbers, addresses, and emails for testing
JSONPath Tester
Evaluate JSONPath expressions in real-time with match highlighting
Regex Visualizer
Visualize regex patterns as railroad diagrams
Bulk File Renamer
Rename files in bulk with regex, sequence & replace
UUID/GUID Generator
Instantly generate bulk UUIDs (v4/v7) locally
Other Categories
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