Base64 Encoder/Decoder

Encode and decode Base64 strings with ease. Support for text, files, and batch processing with instant results and validation.

Text to Encode

Characters: 0 | Bytes: 0

Drop files here or click to upload

Supports all file types (Max: 10MB)

Encoded Result

Characters: 0 | Bytes: 0
Ready to process

Key Features

Bidirectional Conversion

Seamlessly encode text to Base64 or decode Base64 strings back to original text with one-click switching.

File Support

Upload and process files of any type. Convert files to Base64 for embedding or storage purposes.

Real-time Validation

Instant validation of Base64 strings with detailed error messages and format checking.

Batch Processing

Process multiple files simultaneously with individual results and bulk download options.

Detailed Statistics

View character counts, byte sizes, and encoding efficiency metrics for your conversions.

Secure Processing

All processing happens locally in your browser. No data is sent to external servers.

How to Use

1

Choose Mode

Select whether you want to encode text to Base64 or decode Base64 strings back to text.

2

Input Data

Enter your text in the input area or upload files for conversion. Multiple files are supported.

3

Process

Click the encode/decode button to process your input. Results appear instantly with validation.

4

Copy or Download

Copy the result to clipboard or download as a file. Batch downloads available for multiple files.

Common Use Cases

Data Transmission

Encode binary data for safe transmission over text-based protocols like email or HTTP.

Web Development

Embed images, fonts, or other assets directly in CSS or HTML using Base64 data URIs.

API Integration

Encode files for JSON APIs or decode Base64 responses from web services.

Configuration Files

Store binary data in configuration files or environment variables safely.

Database Storage

Store binary files in text-based database fields or export/import data.

Security Testing

Encode payloads for security testing or decode suspicious Base64 strings.

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