Base64 Encoder/Decoder
Encode and decode text and images to Base64 instantly
Encoding converts your text into Base64 format. The result will be approximately 33% longer than the original text.
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How to Use Base64 Encoder/Decoder?
Step 1: Choose Mode & Type
Select "Text" or "Image" mode, then choose "Encode" or "Decode" based on what you want to do.
Step 2: Enter Input
For text: type or paste your content. For images: upload an image file or paste Base64 data.
Step 3: Convert & Copy
Click convert to see the result. Copy the Base64 string, download images, or clear to start over.
Why Use This Base64 Tool?
- ✓100% Free & Unlimited No limits on conversions, no subscriptions, completely free to use.
- ✓Privacy First All conversions happen in your browser. We never store or transmit your data.
- ✓Instant Results Real-time encoding and decoding with zero delay.
- ✓UTF-8 Support Handles all Unicode characters including emojis and international text.
- ✓Works Offline Once loaded, the tool works without internet connection.
- ✓Image Support Convert images to Base64 data URIs and decode Base64 back to images.
Frequently Asked Questions
Who Uses Base64 Encoder/Decoder?
- • Developers: Encode images for data URIs, debug API requests with Base64 payloads
- • Web Designers: Embed small images directly in HTML/CSS to reduce HTTP requests
- • System Administrators: Encode credentials for HTTP Basic Auth, handle config files
- • Security Researchers: Analyze encoded payloads, inspect JWT tokens
- • Data Engineers: Convert binary data for text-based protocols like JSON/XML
- • Email Developers: Handle MIME encoding for email attachments
- • API Testers: Encode/decode request bodies and authentication headers