Security Tools

A collection of free online tools to help secure your applications and data

JWT Fuzzer
Test JWT security with fuzzing techniques

Generate modified JWT tokens for security testing and vulnerability assessment.

JWT Validator
Validate and inspect JWT tokens

Verify JWT signatures, check expiration, and inspect token contents.

JWT Secret Generator
Generate secure random keys for signing JWT tokens

Create cryptographically secure keys with customizable length from 32 to 512 bits.

Password Generator
Create strong, random passwords

Generate secure passwords with options for length, special characters, and more.

API Key Generator
Create secure API keys for your services

Generate API keys with prefixes, suffixes, and customizable formats.

Hash Generator
Generate cryptographic hashes

Create MD5, SHA-1, SHA-256, and other hash formats from any input text.

UUID Generator
Generate random UUIDs/GUIDs

Create version 1, 4, or 5 UUIDs for database keys, identifiers, and more.

Encryption Key Generator
Generate encryption keys

Create AES, RSA, and other encryption keys for secure data storage and transmission.

JWT-Encode
Professional JWT token generator

Professional JWT token generator with customizable header, payload, and signature key.

Symmetric Encryption Tool
DES and 3DES Encryption/Decryption

Encrypt and decrypt data using DES and 3DES algorithms, suitable for enterprise internal data storage encryption.

Asymmetric Encryption Tool
RSA Encryption/Decryption and Key Pair Generation

Generate key pairs, encrypt and decrypt data using RSA algorithm, commonly used in secure communications and digital signatures.

Base64 Encoder/Decoder
Convert binary data to text and back

Convert binary data (like images and files) into text form for transmission and restore it upon reception.

URL Encoder/Decoder
Encode and decode URL special characters

Encode and decode special characters in URLs to ensure the correct transmission and recognition of URLs.