Base64 Encode/Decode
FreeEncode text or files to Base64 and decode Base64 strings back to their original form. Supports text encoding/decoding, file-to-Base64 conversion (including images), and data URI generation. Handles UTF-8 text, binary files, and provides both standard and URL-safe Base64 variants.
How It Works
Upload or enter your data
Drag and drop your file or paste your content into the tool input area.
Configure options
Adjust settings and preferences to get exactly the output you need.
Get your result
Download your processed file or copy the output. Everything happens in your browser.
Frequently Asked Questions
Base64 is a binary-to-text encoding scheme that represents binary data using 64 ASCII characters. It is commonly used to embed images in HTML/CSS, transmit binary data in JSON, and encode email attachments.
Yes, upload any file to get its Base64 representation. For images, we also generate a ready-to-use data URI that you can embed directly in HTML or CSS.
URL-safe Base64 replaces '+' with '-' and '/' with '_' to avoid issues when Base64 strings are used in URLs or filenames. Our tool supports both standard and URL-safe variants.
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