Base64 Encoder & Decoder
Encode and decode Base64 strings instantly. Free online Base64 converter tool for text and files. Works entirely in your browser.
Frequently Asked Questions
What is Base64 encoding?▼
Base64 is a binary-to-text encoding scheme that converts binary data into an ASCII string format using 64 printable characters.
When should I use Base64?▼
Common uses include embedding images in HTML/CSS, encoding data for APIs, email attachments, and storing binary data in text-based formats.
Is there a size limit?▼
Since all processing happens in your browser, the limit depends on your device's memory. Most texts up to several MB work fine.
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