PDF to Base64 Converter

About

PDF to Base64 Converter is a lightweight, privacy-focused Chrome extension that enables you to convert PDF files into Base64-encoded text directly within your browser. All processing happens locally on your device—no files are ever uploaded to external servers.

KEY FEATURES:
📄 LOCAL CONVERSION ONLY Convert PDF files to Base64 encoding entirely offline. Your files never leave your device. No external servers, no telemetry, no data collection.

📁 MULTIPLE FILE SUPPORT Select or drag multiple PDF files and convert them all at once. Process results individually or download all at once. Perfect for batch conversions.

🎯 DRAG & DROP INTERFACE Simply drag PDF files onto the converter area for instant conversion. No need to navigate through file dialogs. Intuitive and fast.

📋 CONTEXT MENU INTEGRATION Right-click on any PDF link to convert it directly. The file is automatically downloaded and converted. Seamless integration with your workflow.

⌨️ KEYBOARD SHORTCUTS

Ctrl+Shift+U (Cmd+Shift+U on Mac): Open the full converter page
Ctrl+Shift+C (Cmd+Shift+C on Mac): Copy Base64 to clipboard
📊 CONVERSION STATISTICS View detailed information about your conversions:

Total Base64 length in characters
Original file size
Compression ratio percentage
Conversion time in milliseconds
💾 FLEXIBLE OUTPUT OPTIONS

Copy Base64 to clipboard with one click
Download as .txt file
Download as .json file with metadata
Include or exclude Base64 header (data:application/pdf;base64,)
🎨 MODERN USER INTERFACE Clean, intuitive design with dark/light theme support. Fully responsive layout. Smooth animations and visual feedback.

✅ FILE VALIDATION Automatic validation of PDF files. File size limit (default 50MB) with clear error messages.

🔒 100% PRIVATE & SECURE All conversions happen locally in your browser. No data is sent to external servers. No tracking, no analytics, no ads.

HOW TO USE:
UPLOAD FILES - Click "Select PDF" or drag files onto the converter
CONFIGURE OPTIONS - Choose Base64 header and preferences
CONVERT - Click "Convert to Base64" button
DOWNLOAD OR COPY - Copy to clipboard or download as .txt/.json
USE ANYWHERE - Use the Base64 string in your projects
PERFECT FOR:
✓ Web Developers - Embed PDFs in web applications ✓ API Integration - Send PDF data through APIs ✓ Data Processing - Convert documents for data pipelines ✓ Testing & QA - Generate test data with Base64 PDFs ✓ Privacy-Conscious Users - Process documents offline ✓ Batch Processing - Convert multiple files at once

PERMISSIONS EXPLAINED:
Storage: Save your preferences and conversion history
Downloads: Allow downloading converted files
Context Menus: Add right-click option for PDF links
PRIVACY POLICY:
This extension does not collect, store, or transmit any personal data. All processing happens locally on your device. No external servers are contacted during conversion. Your files are never uploaded anywhere.

TECHNICAL DETAILS:
Built with Manifest V3 (latest Chrome extension standard)
Lightweight and fast (minimal resource usage)
Works offline (no internet connection required)
Compatible with Chrome and Chromium-based browsers