PrivaX - Image Compressor & PDF Compressor, Converter, Merger

Image & PDF compressor, 100% offline. Batch compress JPEG/PNG/WebP/AVIF, convert formats, compress/split/merge PDFs, PDF to image,…

PrivaX — Image & PDF compressor, 100% offline. Batch compress JPEG, PNG, WebP & AVIF, convert formats, strip EXIF metadata, compress/split/merge PDFs, convert PDF to images, and combine images into PDF. Your files never leave your device. A privacy-first alternative to online file processing tools. All compression, conversion, and PDF operations happen entirely in your browser with zero uploads. Core Features: • Image Compression: Support for JPEG, PNG, WebP, and AVIF with adjustable quality • Format Conversion: Convert between JPEG, PNG, WebP, and AVIF • Resize: Scale proportionally or set custom dimensions • EXIF Removal: Strip GPS location, camera info, and other sensitive metadata with one click • Image Info Viewer: View detailed image metadata (dimensions, pixels, DPI, EXIF shooting parameters, GPS coordinates, etc.) • Batch Processing: Compress multiple images at once with one-click ZIP download • Compression Preview: Slider comparison to visually compare before and after • Custom Naming: Flexible file naming rules with placeholders (original name, sequence number, date, time) • PDF Compression: Reduce PDF file size by compressing embedded images and removing metadata • PDF Split: Split PDF files by page range with custom page selection • PDF Merge: Combine multiple PDFs and images into a single PDF with drag-and-drop reordering • PDF to Image: Export PDF pages as HD images in JPG/PNG/WebP format with 72/150/300 DPI resolution options • Image to PDF: Combine multiple images into a single PDF with customizable page size, orientation, and margins Privacy Protection: • Fully offline processing: No connection to external servers during file processing • Zero data collection: No personal information or usage statistics gathered • Zero account required: No sign-up needed, just install and use • Minimal permissions: Only requests storage (save preferences), downloads (save files), and other essential permissions • Fully open source and auditable Technical Highlights: • Powered by WebAssembly for fast, high-quality compression • Uses professional encoders: mozjpeg, imagequant, libwebp, libaom • PNG compression uses imagequant color quantization (same technology as pngquant) • Supports English and Chinese interface with language switching • Adapts to light/dark themes Use Cases: • Compress images before uploading to save bandwidth and storage • Compress PDF files for email attachments or uploads • Strip GPS and personal metadata before sharing photos • View detailed image information and EXIF shooting parameters • Convert image formats in bulk • Split PDFs to extract specific pages, or merge multiple files into one PDF • Convert PDF pages to HD images for presentations, sharing, or archiving • Combine multiple images into a single PDF document • A local alternative when you don't trust online tools PrivaX — Your files, your control.