Convert TGA to WEBP
About TGA
Truevision TGA (Targa) is a raster graphics format that was originally designed for use with high-end graphics cards. It's a relatively simple format that supports both uncompressed and losslessly compressed data. Its most enduring use case is in the video game industry, where it's often used for textures and other game assets, largely because of its robust support for an 8-bit alpha channel (for transparency).
About WEBP
WebP is a modern image format developed by Google to provide superior lossless and lossy compression for images on the web. WebP images are significantly smaller than their JPEG and PNG equivalents, which helps websites load faster and save bandwidth. It also supports transparency and animation, making it a versatile replacement for both JPEG, PNG, and GIF.
TGA vs WEBP
| Feature | TGA | WEBP |
|---|---|---|
| Compression | uncompressed or RLE | lossy or lossless |
| Transparency | true | true |
| Animation | false | true |
| Quality Rating | 3 | 5 |
| Patent Status | royalty-free | royalty-free |
| Year Introduced | 1984 | 2010 |
| Developed By | Truevision Inc. |
Frequently Asked Questions
Is TGA still relevant?
TGA is a legacy format and is not used for general-purpose imaging or web graphics. Its relevance is mostly confined to specific workflows in older video games and 3D modeling applications. For new projects, formats like PNG or TIFF generally offer more features and better compression.
What is an alpha channel?
An alpha channel is an extra channel of data in an image that defines transparency. A standard RGB image has three channels (Red, Green, Blue). An RGBA image adds a fourth 'Alpha' channel. The TGA format was one of the first to widely support a full 8-bit alpha channel, which was very useful for compositing images and creating game graphics.
Is WebP supported everywhere?
WebP is now supported by all major modern browsers, including Chrome, Firefox, Safari (version 14 and later), and Edge. While its adoption is widespread, some very old browsers or simple image viewers may not support it, so providing a fallback to JPEG or PNG is sometimes necessary.
How much smaller is WebP compared to JPEG?
According to Google's data, lossy WebP images are typically 25-34% smaller than comparable JPEG images at the same quality index. Lossless WebP images are about 26% smaller than PNGs.
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