Ready-to-use developer utilities.
thedevtools - debug, transform, fix.

Independent developer utilities for debugging, transforming, and fixing data instantly.

Base64

Encode and decode Base64 strings quickly.

base64 encoder, base64 decoder, text to base64, base64 to text

URL Encoder

Encode and decode URLs for web applications.

url encoder, url decoder, uri encoder, percent encoding

JWT Debugger

Decode and verify JSON Web Tokens (JWT) instantly.

jwt debugger, json web token decoder, jwt parser, token verification

Timestamp

Convert between timestamps and human-readable dates.

unix timestamp converter, epoch converter, timestamp to date

String Case

Convert text between different case formats.

string case converter, camelCase, snake_case, PascalCase

Color Hex

Generate and convert color hex codes.

color hex generator, color picker, hex color codes

String Diff

Compare two strings and see their differences.

string diff checker, text comparison, string difference

JSON Editor

Edit, format, and validate JSON data with syntax highlighting.

json editor, json formatter, json validator

Image to Base64

Convert images to base64 strings.

image to base64, image encoder, base64 converter

Base64 to Image

Convert base64 strings back to images.

base64 to image, base64 decoder, image decoder

JSON Formatter

Format, validate, and minify JSON data with syntax highlighting.

json formatter, json validator, json minifier, json beautifier

Hash Generator

Generate MD5, SHA1, SHA256, and SHA512 hashes from text.

hash generator, md5 hash, sha1 hash, sha256 hash, sha512 hash

Browse by Category

Explore our tools organized by functionality and use case

lock

Encoding & Decoding

Base64, URL encoding, JWT debugging, and image conversion tools

5 tools text_format

Text Processing

String manipulation, case conversion, JSON formatting, and text comparison

3 tools build

Developer Utilities

Timestamp conversion, color generation, and other essential utilities

2 tools

Learn & Explore

Discover tutorials, tips, and best practices for using our tools effectively

EncodingJan 15, 20248 min read

Base64 Encoding: A Complete Developer Guide

Learn everything about Base64 encoding, from basic concepts to advanced use cases in web development and API communication.

base64encodingweb development

More Developer Resources

Explore our comprehensive blog with tutorials, best practices, and development tips.

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Why Choose The Dev Tools?

🚀 Fast & Free

All tools work instantly in your browser. No downloads or registration required.

🔒 Secure

Your data never leaves your browser. No server-side processing for privacy.

💻 Developer Focused

Built by developers, for developers. Clean interfaces and reliable functionality.

📱 Responsive

Works perfectly on desktop, tablet, and mobile devices.