7 tools

Encoding & Security Tools

Secure encoding, decoding, and cryptographic utilities

Professional encoding and security tools for developers and security professionals. Handle Base64, URL encoding, JWT tokens, hashing algorithms, and encryption with military-grade security standards. Our browser-based tools ensure your sensitive data never leaves your device while providing instant encoding, decoding, and cryptographic operations. Essential for web development, API security, password management, and secure data transmission workflows.

Support for all major encoding standardsSecure JWT token generation and validationMultiple hashing algorithms (SHA, MD5, bcrypt)Real-time encoding/decoding

Perfect for:JWT token debugging·API authentication setup·Password hashing·URL parameter encoding·Security testing

All Encoding & Security Tools

Base64 Encoder/Decoder

encoding

Encode and decode Base64 strings with file support

base64encodedecode

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URL Encoder/Decoder

encoding

Encode and decode URL components and query parameters

urlencodedecode

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HTML Encoder/Decoder

encoding

Convert text to HTML entities and decode HTML entities to plain text

htmlencodedecode

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Hash Generator

encoding

Generate MD5, SHA1, SHA256 and other hash functions

hashmd5sha1

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JWT Decoder

encoding

Decode and validate JSON Web Tokens (JWT)

jwtjsonweb

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Bcrypt Hash Generator

encoding

Generate and verify bcrypt password hashes with configurable cost factor for secure password storage

bcrypthashpassword

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Binary to Text Converter

encoding

Convert binary code to plain text and vice versa with support for multiple formats

binarytextconvert

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Frequently Asked Questions about Encoding & Security Tools

Are these tools secure for sensitive data?

Yes, all encoding and hashing operations run entirely in your browser. No data is ever transmitted to our servers.

Which hashing algorithms do you support?

We support SHA-256, SHA-512, MD5, bcrypt, and other industry-standard algorithms for various security needs.

Can I validate JWT tokens from any provider?

Yes, our JWT decoder works with tokens from any provider and supports all standard signing algorithms.

Related Categories

Data & Conversion Dev Utilities

Why Use Browser-Based Encoding & Security Utilities?

The tools in our Encoding & Security category are designed specifically to provide high-performance operations without sacrificing privacy. In modern software engineering, developer productivity is often hindered by the need to constantly format payloads, encode strings, or run conversions using online tools that transmit raw inputs to remote servers. Karuvigal eliminates this risk by performing all computations locally on your machine using client-side JavaScript, Web APIs, and secure parsing frameworks.

Whether you are formatting nested data structures, debugging API responses, or sanitizing inputs for documentation, you can trust that your raw variables and keys are never logged or stored. This offline-first, client-only execution model makes our suite fully compliant with corporate security guidelines and strict privacy standards, offering you a fast, reliable, and secure development workspace.

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