OneImage Convert

Convert images between popular formats without leaving your browser.

OneImage Convert brings the essential format conversion workflow from convert.oneimage.co into a streamlined browser popup. Drop up to 5 images, pick a target format, adjust quality, and export optimized copies without leaving your current tab. Everything runs on-device so your photos and screenshots never upload. Choose from three quality presets, preview file size savings, and download converted images one by one. When you need batch processing with 50+ formats or advanced options, jump straight to the full studio. Key Features 1. Local, offline conversion — no uploads, no accounts, no tracking. 2. Drag & drop, paste, or browse for PNG, JPG, WebP, and more (up to 16 MB each). 3. Output formats: PNG, JPEG, WebP with one-click selection. 4. Three quality presets: High quality, Balanced, Smaller size. 5. Batch convert up to 5 images at once with progress tracking. 6. Live file size comparison showing original vs converted with savings percentage. 7. Automatic filename generation based on original name and target format. 8. Instant download plus quick link to the full web editor.