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Base64 & URL Encoder / Decoder

Instantly encode or decode text payloads. Supports URL-safe base64 options, URL escaping, and strict client-side conversions. Your data never leaves your browser.

Instructions: Paste raw text or encoded strings, choose encode/decode operations, configure formatting rules, and execute.
Parameters

What is Base64 & URL Encoding?

Base64 Encoding is used to translate binary structures or characters into a safe ASCII string representation. This is commonly used in HTML data URIs, basic authorization headers, or storing encryption keys.

URL Encoding (also known as Percent Encoding) converts special characters in URLs into a valid `%` format (like spaces to `%20`). This prevents query string parameters from breaking browser URLs.

01

Paste Text Data

Paste text strings or base64 blocks into the encoding workspace panel.

02

Choose Operation

Select Base64 Encode, Base64 Decode, URL Encode, or URL Decode schema parameters.

03

Get Result

Copy output immediately. The parser processes everything client-side in milliseconds.

Dedicated Codec Tools

Base64 Encoder

Convert plain text into Base64 format.

Base64 Decoder

Decode Base64 back into plain UTF-8 text.

URL Encoder

Percent-encode URL query parameters.

URL Decoder

Decode percent-encoded strings to text.

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Documentation & Guide

How to Encode and Decode Base64 and URL Strings

Read our comprehensive guide on client-side encoding, character sets, and URL-safety best practices.

Read Guide