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

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Base64 Decoder Tool

What is Base64 Encoding?

Base64 encoding converts files and binary data into ASCII text strings for safe transmission and storage. Our free online Base64 encoder transforms images, documents, and other files into Base64 format instantly.

This encoding method is essential for web development, API integrations, and data storage where binary data needs to be represented as text. Use our tool to convert any file to Base64 without uploading to external servers.

How to Convert Files to Base64

Select or drag and drop your file into the upload area

Choose your preferred output format (with or without data URI prefix)

Click encode to generate the Base64 string instantly

Copy the result or download as a text file

Supports images, PDFs, documents, and other file types up to 50MB

Why Use Our File to Base64 Encoder?

Completely free with no file size restrictions or premium features

Client-side processing ensures your files never leave your device

Supports all file formats including images, documents, audio, and video

Generate clean Base64 strings or data URIs for immediate use

Mobile-friendly interface works on all devices and browsers

No registration, installation, or software download required

Common Use Cases for Base64 Encoding

Web Development: Embed images directly in CSS and HTML files

API Integration: Send binary data through JSON APIs and web services

Email Attachments: Include files in email systems and MIME encoding

Data Storage: Store binary data in text-based databases and configurations

Cross-Platform Transfer: Share files between different systems and platforms

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