Key Features

• 100% Secure Local Processing: No server uploads required. All processing happens entirely within your browser, ensuring your private photos remain strictly confidential.
• Format Conversion & HEIC Support: Batch convert images to WebP, AVIF, JPEG, PNG, or PDF. Automatically converts Apple's HEIC images to JPEG for easy reading.
• Target Size (KB) Auto-Compression: Beyond simple quality sliders, a binary search AI algorithm automatically optimizes image quality to hit your exact target file size (KB).
• Smart & Free Cropping: Automatically crop from the center using specific ratios (e.g., 1:1, 16:9), or manually select a custom crop area directly from the preview screen.
• 1-Click Social Presets: Instantly apply recommended dimensions and aspect ratios for YouTube thumbnails, Instagram (Square/Stories), and OGP images with a single click.
• EXIF Control & Custom Backgrounds: Choose to keep or strip EXIF metadata (like GPS location). Easily set custom background colors when converting transparent images to JPEG.
• Drag-and-Drop Sorting & Renaming: Intuitively reorder images by dragging their previews, and effortlessly apply batch renaming with custom prefixes and sequential numbering.
• PDF Merging & Bulk ZIP Download: Combine all processed images into a single multi-page PDF document, or download them all at once conveniently bundled in a ZIP archive.