Online Batch Image Converters

PicShifter: Convert up to 10 images at once to formats like WebP, AVIF, PNG, and JPEG. No signup required.
ImageConvertFree: Free, supports up to 5 images per batch, and works with formats like WebP, PNG, JPG, GIF, and RAW.
Imgdiet: Supports over 50 formats, including PNG, AVIF, TIF, WEBP, PSD, HEIC, and RAW. All processing is done in your browser for privacy.
PhotoBase Converter: Offers both online and desktop batch conversion for various media formats.
Fotor: User-friendly online tool for batch converting images without losing quality.
Picflow: Supports batch conversion, including RAW formats, and processes images in your browser.
Snapied: Fast, free, and supports many formats (JPG, PNG, GIF, WEBP, PDF, TIFF, etc.).
ConverterSnap: Converts images between multiple formats with all processing done locally in your browser.
PicsSizer: Offers lossless conversion, batch processing, and instant results.
24converter: Batch convert up to 10 files at once, supporting JPG, PNG, WEBP, and SVG.
JPGConverters.com: Various JPG-related converters with batch processing and secure file deletion.