Base64 Guides
Free online tools for developers and everyday life. JSON/XML formatter, BMI calculator, loan calculator, unit converter, world time, and more.
The Complete Guide to Base64 Encoding
Learn everything about Base64 encoding: how it works, common use cases like data URIs and email attachments, and when to use it in your projects.
Read guide→
URL-Safe Base64: When and Why to Use It
Understand the differences between standard and URL-safe Base64, the character replacements, and practical use cases in URLs, tokens, and cookies.
Read guide→
How to Encode and Decode Files with Base64
Learn how to encode images and files to Base64, use data URIs for embedding assets, understand performance trade-offs, and see practical examples.
Read guide→