Base64 Encoder & Decoder
Encode and decode Base64 strings with support for text, files, and data URIs. URL-safe encoding and custom formatting options included.
Options
Customize encoding settings
Input Text
Common Use Cases
Data URIs for Images
Embed images directly in HTML or CSS without separate file requests. Perfect for small icons and inline images.
API Data Encoding
Encode binary data for transmission via JSON APIs. Many APIs require Base64 for file uploads and attachments.
Email Attachments
Convert files to Base64 for embedding in email templates or API payloads. Common in email marketing platforms.
Why Use Our Base64 Tool?
Instant Conversion
Encode and decode Base64 instantly in your browser. No server processing or delays.
100% Private
All processing happens locally. Your data never leaves your device.
File & Text Support
Convert text strings or entire files to Base64. Generate data URIs for images.
How It Works
Choose Mode
Select text or file encoding/decoding mode.
Configure Options
Enable URL-safe mode or line breaks if needed.
Input Data
Paste text, upload file, or enter Base64 string.
Copy or Download
Get your encoded/decoded result instantly.
Your Privacy is Protected
This tool runs entirely in your browser using built-in JavaScript APIs (btoa/atob, FileReader). Your data is processed locally and never uploaded to any server. All encoding and decoding happens on your device.
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