9 Services from file-formats.x402tookit.com

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.

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.

Parses the gzip file header from raw hex bytes, returning compression method, flags, modification time, original filename, OS identifier, and compression hint.

Parses the first 13 bytes of a GIF file to extract version, dimensions, and global colour table metadata.

Compares a file's declared extension against its actual type inferred from the first bytes, flagging disguised executables or mismatched file types.

Reads PDF version and header position from the first bytes of a file, flagging junk before %PDF- and invalid version strings.

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.

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.

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.