Bulk Converter – Convert all image formats in batches
Browse all available bulk conversions. Choose any source format and convert to your desired output.
Convert image batches in your browser
This tool lets you convert many images at the same time, directly in your browser. Pick a source format on the left and a target format on the right, then upload your files to start a batch job. Processing happens locally on your device for most common formats, so your photos are not sent to a server. RAW formats such as CR2, NEF, ARW, and DNG are decoded with a dedicated engine to preserve color and detail during the batch conversion.
All available bulk conversions
Frequently asked questions
How many images can I convert in one batch?
You can add as many files as your device memory allows. Large batches of high-resolution photos may take longer to process, since each image is converted on your device.
Does the bulk converter reduce image quality?
No quality is lost for lossless formats like PNG or TIFF. For formats such as JPEG or WebP, you can set the compression level before starting the batch.
Is my data uploaded to a server?
Most formats are processed locally in your browser using WebAssembly, so files stay on your device. A small number of formats may require server-side processing; this is noted on the format pair page.
Can I convert RAW camera files in bulk?
Yes. CR2, NEF, ARW, and DNG files can be converted in batches to JPEG, PNG, or other common formats using the RAW decoding engine.