Best Open Source APIs for Converting Image Formats (Python, Java, .NET)
Last Updated: 26 Jan, 2026
In today’s digital world, images power everything from e-commerce product galleries to AI-driven applications. But with a variety of image formats out there— JPEG, PNG, WebP, TIFF, GIF, [BMP][13], HEIC, and more—developers need reliable tools to convert between formats efficiently. Whether you’re building a web app, optimizing images for performance, or working on automated pipelines, using open source APIs for image format conversion can save time, reduce costs, and provide deep customizability.