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Base64 Guides & Tutorials.
Practical guides on Base64 encoding, decoding, and everything in between. Written for developers, by developers.
How to Decode Base64: Step-by-Step Guide
Learn how to decode Base64 in JavaScript, Python, command line, and online. UTF-8 safe methods and common mistakes.
Can I Concatenate Base64 Strings?
Yes, but you need to strip the padding first. Here is how it works, why it breaks, and the right way to join Base64 strings.
Base64 to Hex: Complete Conversion Guide
Convert Base64 to hexadecimal and back. JavaScript and Python examples. When to use hex vs Base64.
Hex to Base64: How to Convert Between Formats
Convert hex strings to Base64 in JavaScript, Python, and command line. Smaller output, ready for APIs.
PowerShell Base64 Decode: Commands and Examples
Decode Base64 in PowerShell using built-in .NET commands. UTF-8, Unicode, file decode. No modules needed.
PNG to Base64: How to Convert Images
Convert PNG images to Base64 for HTML, CSS, and JSON. Browser, JavaScript, and Python methods.
SVG to Base64: Embed Vector Graphics
Convert SVG files to Base64 for CSS backgrounds, data URIs, and secure embedding. JavaScript and Python examples.
How to Encode a File to Base64
Encode any file to Base64 right in your browser. Images, PDFs, JSON, text files. Drag, drop, done.
Base64 vs Base64URL: What's the Difference?
The difference between standard Base64 and URL-safe Base64URL, when to use each, and how our tool handles both automatically.
More guides coming soon
We are writing in-depth Base64 tutorials. Topics include JavaScript decoding, Python encoding, Base64 vs Hex, and common debugging tips.