# Google WebP image file, where ?? ?? ?? ?? is the file size. More information on WebP File Header — file signature 52 49 46 46 ?? ?? ?? ?? 57 45 42 50 at offset 0 For Google WebP image file, where ?? ?? ?? ?? is the file size. More information on WebP File Header, hex signature is 52 49 46 46 ?? ?? ?? ?? 57 45 42 50; offset is 0; extension is webp, verified against its source on 2026-09-22. - **Hex signature:** 52 49 46 46 ?? ?? ?? ?? 57 45 42 50 _(verified: appears in the quote below)_ - **Offset:** 0 _(verified: appears in the quote below)_ - **Extension:** webp _(verified: appears in the quote below)_ - **Format:** Google WebP image file, where ?? ?? ?? ?? is the file size. More information on WebP File Header _(verified: appears in the quote below)_ ## What the source says > 52 49 46 46 ?? ?? ?? ?? 57 45 42 50 | RIFF????WEBP | 0 | webp | Google WebP image file, where ?? ?? ?? ?? is the file size. More information on WebP File Header | ## Source - https://en.wikipedia.org/wiki/List_of_file_signatures Last verified: 2026-09-22. Review by: 2027-09-22. Part of [File format magic numbers](https://referencesource.org/file-format-signatures/).