Bulk format conversion lets you change the format of many images at once. This is commonly needed when migrating a website to WebP, converting a batch of PNGs to JPEG for smaller files, or standardizing your image library to a single format.
With ImgTools Pro, upload multiple images and convert them all to your chosen format. Select PNG, JPEG, or WebP as the output, adjust quality for lossy formats, and process the entire batch.
Common bulk conversion scenarios include converting website images from JPEG to WebP (25-35% size reduction), converting screenshot PNGs to JPEG (60-80% size reduction for photos), and converting HEIC photos from iPhone to JPEG for universal compatibility.
For free users, ImgTools processes up to 5 conversions per day. Pro users get unlimited conversions.
All processing happens locally in your browser.