Universal Encoder/Decoder Tool

Encoding & Decoding Operations

Text Transformations

URL

Base64

Hex

JSON

Hash

JWT

Text Transformation Tools

Convert your text to uppercase, lowercase, capitalize, reverse, and various case formats. All operations are client-side.

Input Text

0 characters, 0 words, 0 lines

Result

0 characters, 0 words, 0 lines

URL Encoding/Decoding

Encode text for safe inclusion in URLs (percent-encoding) or decode it back.

Encode Full URL (encodes fewer characters)

Input

Result

Base64 Encoding/Decoding

Encode binary data (like text or images) into ASCII characters or decode Base64 strings back to their original form.

Text

Image

Input

Result

Select an image to encode

Base64 Result

Data URI (for HTML/CSS)

Decode Base64 to Image

Hex Encoding/Decoding

Convert text to its hexadecimal representation (byte by byte) or decode a hex string back to text. Supports common formatting options.

Add 0x prefix Use UPPERCASE hex Add spaces between bytes

Input

Result

JSON Formatter & Validator

Paste your JSON data to validate and format it with proper indentation for readability. Also useful for minifying JSON.

Input JSON

Formatted/Minified JSON

Hash Calculator

Calculate cryptographic hash values (digests) for your input text using various algorithms.

Input Text

Algorithm

Hash Result (Hex)

JWT Decoder

Decode JSON Web Tokens (JWTs) to inspect their header and payload. This tool only decodes; it does not verify the signature (which requires the secret key).

Input JWT

Encoding & Decoding Operations

Text Transformation Tools

URL Encoding/Decoding

Base64 Encoding/Decoding

Hex Encoding/Decoding

JSON Formatter & Validator

Hash Calculator

JWT Decoder

Signature Not Verified