# Services from file-formats.x402tookit.com on Zero

> file-formats.x402tookit.com serves 9 paid API services for AI agents, indexed by Zero. Each is callable per call with payment handled by Zero.

Canonical page: https://www.zero.xyz/host/file-formats.x402tookit.com
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/file-formats.x402tookit.com/health.json

## Services

- [WebP Header Inspector](https://www.zero.xyz/c/webp-header-inspector-5f724758/llms.txt): $0.02/call via x402. Parses the first 30 bytes of a WebP file (provided as hex) to extract width, height, format variant (lossy/lossless/extended), and alpha/animation flags.
- [PNG Header Inspector](https://www.zero.xyz/c/png-header-inspector-842a2faf/llms.txt): $0.02/call via x402. Parses the first 33 bytes of a PNG file to extract width, height, bit depth, colour type, and interlace method, and validates the IHDR CRC checksum.
- [GZip Header Parser](https://www.zero.xyz/c/gzip-header-parser-877603d7/llms.txt): $0.02/call via x402. Parses the gzip file header from raw hex bytes, returning compression method, flags, modification time, original filename, OS identifier, and compression hint.
- [GIF Header Parser](https://www.zero.xyz/c/gif-header-parser-375e948a/llms.txt): $0.02/call via x402. Parses the first 13 bytes of a GIF file to extract version, dimensions, and global colour table metadata.
- [File Format Inspector – Extension vs Content Mismatch Detector](https://www.zero.xyz/c/file-format-inspector-extension-vs-content-mismatch-detector-c6eb9044/llms.txt): $0.02/call via x402. Compares a file's declared extension against its actual type inferred from the first bytes, flagging disguised executables or mismatched file types.
- [PDF Header Inspector](https://www.zero.xyz/c/pdf-header-inspector-441781ff/llms.txt): $0.02/call via x402. Reads PDF version and header position from the first bytes of a file, flagging junk before %PDF- and invalid version strings.
- [ZIP Entry Header Inspector](https://www.zero.xyz/c/zip-entry-header-inspector-c66e8798/llms.txt): $0.02/call via x402. Parses the first entry header of a ZIP file from hex bytes, extracting name, compression method, sizes, CRC32, encryption status, and detecting zip-slip path or executable-name risks.
- [JPEG File Format Inspector](https://www.zero.xyz/c/jpeg-file-format-inspector-6292bd17/llms.txt): $0.02/call via x402. Parses the first bytes of a JPEG file (as hex) to extract width, height, color components, baseline/progressive mode, and detect JFIF/Exif/Adobe markers.
- [File Format Inspector – Magic Bytes Identifier](https://www.zero.xyz/c/file-format-inspector-magic-bytes-identifier-e7bdf17d/llms.txt): $0.02/call via x402. Identifies a file's type from its first bytes (magic bytes) by matching against 40+ signatures including PNG, JPEG, PDF, ZIP, ELF, EXE, MP4, and SQLite.

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

- [Zero catalog index](https://www.zero.xyz/llms.txt)