Security Tools
A collection of free online tools to help secure your applications and data
JWT Tools
JWT Fuzzer
Generate modified JWT tokens for security testing and vulnerability assessment.
JWT Validator
Verify JWT signatures, check expiration, and inspect token contents.
JWT Header & Payload Formatter
Professional JSON formatter for JWT headers and payloads with syntax validation and beautification.
JWT Secret Generator
Create cryptographically secure keys with customizable length from 32 to 512 bits.
JWT-Encode
Professional JWT token generator with customizable header, payload, and signature key.
JSON Tools
JSON Formatter
Format, validate, and beautify JSON data with syntax highlighting and error detection.
JSON Validator
Validate JSON syntax and structure with detailed error reporting and line-by-line analysis.
JSON Editor
Advanced JSON editor with tree view, search functionality, and real-time validation.
JSON Minifier
Compress JSON by removing whitespace and unnecessary characters to reduce file size.
JSON Beautifier
Format and beautify JSON with proper indentation and syntax highlighting for readability.
JSON Converter
Convert JSON to various formats including XML, CSV, YAML, and other data formats.
JSON Schema Validator
Validate JSON data against JSON Schema with detailed validation reports and error messages.
JSON Path Finder
Extract data from JSON using JSONPath expressions with real-time preview and testing.
JSON Diff Tool
Compare two JSON objects and highlight differences with side-by-side visualization.
JSON Generator
Generate sample JSON data with customizable schemas, data types, and nested structures.
JSON Query Tool
Query JSON data using JQ expressions with syntax highlighting and result preview.
JSON Escape Tool
Escape and unescape JSON strings for safe embedding in code and data transmission.
Cryptographic Key Generators
RSA / EC Key Pair Generator
Professional RSA and EC key pair generator for JWT RS256/ES256 asymmetric signing in PEM and JWK formats.
Encryption Key Generator
Create AES, RSA, and other encryption keys for secure data storage and transmission.
API Key Generator
Generate API keys with prefixes, suffixes, and customizable formats.
Encryption & Security Tools
Symmetric Encryption Tool
Encrypt and decrypt data using DES and 3DES algorithms, suitable for enterprise internal data storage encryption.
Asymmetric Encryption Tool
Generate key pairs, encrypt and decrypt data using RSA algorithm, commonly used in secure communications and digital signatures.
Hash Generator
Create MD5, SHA-1, SHA-256, and other hash formats from any input text.
Password & Identity Tools
Password Generator
Generate secure passwords with options for length, special characters, and more.
UUID Generator
Create version 1, 4, or 5 UUIDs for database keys, identifiers, and more.
Data Encoding & Formatting Tools
Base64 Encoder/Decoder
Convert binary data (like images and files) into text form for transmission and restore it upon reception.
URL Encoder/Decoder
Encode and decode special characters in URLs to ensure the correct transmission and recognition of URLs.
Regex Tester
Online regex testing tool for API validation and data extraction with instant pattern matching and highlighting.
YAML <-> JSON Converter
Bidirectional converter for Docker Compose, Kubernetes, GitLab CI and other configuration files.
Web Resources & Content Tools
Lorem Ipsum Generator
Create Lorem Ipsum placeholder text with customizable paragraphs, sentences, and words for web design and content layouts.
URL Parser / Query String Splitter
Analyze and break down URLs into components, extract query parameters, and understand URL structure for web development.
HTML Entities Table
Comprehensive HTML entity reference with ASCII, ISO 8859-1, math symbols, Greek letters and special characters for web development.