About Online File Converter
Empowering users with private, instant, client-side browser file processing tools.
⚡ Our Mission
Traditional file converter websites force users to upload their sensitive documents, personal photographs, and business PDFs to remote servers. This introduces security risks, slow upload queues, and file size limits.
Online File & Image Converter was built with a clear mission: Bring the power of high-performance file conversion directly into your web browser.
🔒 Why Client-Side Conversion?
Your files never leave your browser. Zero cloud uploads, zero data retention.
No waiting for server uploads or downloads. Conversions complete instantly using JavaScript Web Workers.
Unlimited conversions, no sign-ups, no hidden subscriptions, and no paid API keys required.
🛠️ Technologies We Use
Our platform relies on industry-standard open-source web technologies:
- HTML5 Canvas API - High-DPI image scaling, format encoding (JPG, PNG, WebP, GIF, ICO, BMP), and cropping.
- PDF.js & PDF-Lib - Client-side PDF page rendering, page extraction, margin cropping, and PDF creation.
- Tesseract.js OCR - Client-side optical character recognition in multiple languages directly in Web Workers.
- JSZip & Mammoth.js - Instant batch ZIP archives and DOCX parsing.