How to Batch Convert Images: Save Time on Multiple Files

If you have many images to convert, batch conversion can save significant time compared to converting images one at a time.

What Is Batch Conversion?

Batch conversion is the ability to convert multiple images in one operation. Instead of selecting one image, converting it, downloading it, then repeating the process dozens of times, you can select many files and convert them together.

Batch Converting With ConvertImageNow

Open the ConvertImageNow converter, select multiple files (most browsers let you hold Ctrl or Cmd and click to select multiple files), choose your output format, adjust quality settings if needed, and download all files together.

Organizing Batch Conversions

Before starting, organize your images into folders by format or purpose. Convert all your JPG photographs to WebP in one batch, then convert all your PNG screenshots to JPG in another batch.

Checking the Results

After batch conversion, spot-check several output files to make sure the quality and file sizes match your expectations. If the quality is too low or files are too large, adjust settings and convert again.

Keeping Originals Safe

Always keep your original files in a separate folder before batch conversion. This gives you a backup if you need to re-convert with different settings or if the conversion didn't meet your needs.

Automating Workflows

If you regularly batch convert images, consider saving your preferred settings or writing a script to automate the process using a command-line tool.

Final Thoughts

Batch conversion is one of the fastest ways to optimize large image libraries for the web. Use it to convert formats, reduce file sizes, and prepare images for publishing.