Encoding, Hashing & Security Tools

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Select a tool to see a quick tip about it.

Base64 & URL

Encode images to Base64 strings or decode complex URLs instantly for debugging.

Secure Hashing

Generate SHA-256, SHA-512, or MD5 checksums to verify file integrity or hash passwords.

JWT Decoder

Paste a JSON Web Token (JWT) to see the header and payload claims without a backend.

Developer Security Toolkit

A robust collection of encoding and cryptography tools running entirely in your browser. Perfect for developers debugging APIs or users verifying data.

  • Base64 Encoder/Decoder

    Convert text or binary data into ASCII strings. Essential for email attachments and data URI schemes.

  • URL Encode/Decode

    Fix broken links by encoding special characters (like space to %20).

  • HTML Entity Encode

    Sanitize text for web display to prevent XSS attacks.

  • SHA & MD5 Hashing

    One-way encryption for verifying passwords or checking file consistency (checksums).

How to use

1

Choose a Category

Select "Encoders", "Hashing", or "Ciphers" from the tabs on the left.

2

Select Specific Tool

Click a button like "Base64" or "SHA-256". The controls will appear below.

3

Process Text

Enter your text. Click "Encode", "Decode", or "Generate" to see the result.