Who created WebP?

VERIFIED Feb 11, 2026 Webp

Quick Answer

Google developed and released the WebP image format in 2010 as part of its ongoing initiative to make the web faster. It was built using technology acquired from On2 Technologies, specifically leveraging the intra-frame coding mechanisms of the VP8 video codec to achieve superior image compression.

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Complete Answer Details

Engineering and Development History

The creation of WebP was a strategic response to the limitations of legacy formats like JPEG and PNG, which had not seen significant architectural updates in decades. By repurposing the VP8 bitstream, Google engineers created a format capable of predictive coding, allowing for a more efficient representation of visual data without the heavy artifacts common in older standards.

The project was led by Google's performance teams with the intent of reducing global bandwidth consumption. Since its initial release, Google has continuously updated the format's libraries (libwebp) to include support for lossless compression, animation, and metadata, transforming it from a niche experiment into a foundational web standard.

Industry Adoption and Standardization

While Google remains the primary maintainer, WebP is an open-source project under the BSD license. Its development involved rigorous testing across millions of images to prove its efficiency. Today, it is recognized as a critical component of modern web infrastructure, supported by all major browsers and integrated into professional deployment pipelines to meet modern performance benchmarks.

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Frequently Asked Questions

Does WebP support transparency?
Yes, WebP provides full support for alpha channel transparency, allowing for both lossless and lossy compression with transparent backgrounds. It serves as a high-efficiency alternative to PNG, typically delivering transparency with file sizes that are three times smaller than traditional PNG-24 formats.
Can WebP images be animated?
Yes, WebP supports animation, providing a modern, high-performance alternative to the GIF format. It allows for 24-bit color and transparency within animated sequences, significantly reducing file sizes—often by 60% to 70%—while eliminating the 256-color limitation inherent in legacy GIF files.
Strategic Applications of WebP
WebP is primarily used to optimize web performance by providing high-quality imagery at significantly reduced file sizes compared to legacy formats. It serves as a comprehensive replacement for JPEG, PNG, and GIF, supporting lossy compression, lossless transparency, and animation within a single, unified file structure.
WebP Image Format Defined
WebP is a modern image format developed by Google that provides superior lossless and lossy compression for web images. It allows developers to create smaller, richer images that make the web faster by reducing file sizes by approximately 25% to 34% compared to JPEG and PNG without sacrificing quality.
Is WebP "lossy" or "lossless"?
WebP is a versatile format that supports both lossy and lossless compression. Lossy WebP provides high-quality imagery with significantly smaller file sizes than JPEG, while lossless WebP maintains perfect pixel fidelity with roughly 26% smaller file sizes compared to traditional PNG files.