Free Online Base64 to File Decoder: Convert Base64 to Image, Text, PDF and File

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Base64 Encoder Tool

What is Base64 Decoding?

Base64 decoding converts encoded Base64 strings back to their original file format. Our free online Base64 decoder helps you convert Base64 encoded data to images, PDFs, text files, and other document types instantly.

Base64 encoding is commonly used in web applications, email attachments, and data transmission. When you need to decode Base64 strings, our tool provides secure, browser-based conversion without uploading files to servers.

How to Use Our Base64 to File Decoder

Paste your Base64 encoded string into the input field

The tool automatically detects the file type and shows a preview

Download the decoded file or copy the text content

Works with images (JPG, PNG, GIF), documents (PDF, TXT), and other file formats

No file size limits or registration required

Why Choose Our Online Base64 Decoder?

100% free with no hidden costs or premium features

Secure processing - all decoding happens in your browser

Supports all Base64 variants including URL-safe and MIME encoding

Instant results with real-time preview for supported file types

Works on desktop, tablet, and mobile devices

No software installation or account creation needed

Common Use Cases for Base64 Decoding

Web Development: Decode Base64 images embedded in CSS or HTML

Email Processing: Extract attachments from Base64 encoded email content

API Integration: Process Base64 data from REST APIs and web services

Data Recovery: Restore files from Base64 backup strings

Debugging: Analyze encoded data during development and testing