CC-BY 4.0 OPEN DATASET • 201+ FORMATS • 3,208 CONVERSION PAIRS

2026 File Formats, IANA MIME Types & Magic Bytes Open Encyclopedia

Explore the technical structure, hexadecimal magic byte signatures, and lossless transcoding paths for 201+ file formats powered by KaijuConverter.

Browse 201+ Format Specifications → Download Open CSV Dataset 54 Studio Workspaces Format Comparisons Engineering Guides

1. Core File Format Specifications & Direct Converters

FormatIANA MIME TypeMagic Bytes (Hex)EncyclopediaDirect Converters
HEICimage/heic66 74 79 70 68 65 69 63HEIC FormatHEIC to JPG · HEIC to PNG
AVIFimage/avif66 74 79 70 61 76 69 66AVIF FormatAVIF to PNG · AVIF to JPG
PDFapplication/pdf25 50 44 46 2DPDF FormatPDF to DOCX · PDF to PDF/A
SVGimage/svg+xml3C 73 76 67SVG FormatSVG to AI · SVG to EPS
BMPimage/bmp42 4DBMP FormatBMP to PNG · BMP to JPG
TIFFimage/tiff49 49 2A 00TIFF FormatTIFF to PDF · TIFF to JPG
EPUBapplication/epub+zip50 4B 03 04EPUB FormatMOBI to EPUB · EPUB to PDF
FLACaudio/flac66 4C 61 43FLAC FormatFLAC to MP3 · WAV to FLAC

2. High-Precision Studio Workspaces

Compress Image to 20KB

Binary-search JPEG/WebP byte cap for portal uploads.

Compress Image to 50KB

Exact ≤50KB photo optimization without dimension loss.

Compress Image to 100KB

Guaranteed ≤100KB output for forms and e-commerce.

Increase Image KB Size

Lossless JPEG COM marker padding (≥50KB / 100KB / 200KB).

Resize Image in CM / MM (300 DPI)

Passport, DNI & physical print dimension converter.

PDF to PDF/A-2b ISO Archival

ISO 19005 archival conversion for legal & government filings.

OCR Scanned PDF to Text

12-language Tesseract optical character recognition.

Strip EXIF & GPS Metadata

Remove camera serials and GPS coordinates before sharing.

3. Format Comparisons & Engineering Guides