CONVERSION GUIDES
Step-by-step guides for file conversion, format comparisons, and best practices.
General
24 guidesZarr: Cloud-Native Chunked Arrays for Scientific Computing
What is Zarr? Learn how this cloud-native chunked array format enables efficient parallel reads from S3/GCS without downloading files. Pract...
Apache Parquet: The Columnar File Format for Big Data Analytics
What is Apache Parquet? Learn how columnar storage enables 10x faster analytics queries, how row groups and predicate pushdown work, and how...
CBOR: Concise Binary Object Representation for IoT
What is CBOR? Learn how Concise Binary Object Representation (RFC 8949) encodes JSON-like data in 20-40% less space, how semantic tags work,...
Protocol Buffers (Protobuf): Google's Binary Serialization Format
What are Protocol Buffers? Learn how protobuf's schema-first design, field numbers, and varint encoding produce messages 3-10x smaller than...
Apache Avro: Schema-Driven Serialization with Schema Evolution
What is Apache Avro? Learn how JSON-defined schemas, field-name-based evolution, self-describing .avro container files, and Confluent Schema...
Apache ORC: Optimized Row Columnar Format for Big Data
What is Apache ORC? Learn how the Optimized Row Columnar format differs from Parquet, how stripes and bloom filters enable predicate pushdow...
PDF/A: The ISO Standard for Long-Term PDF Archiving
What is PDF/A? Learn the differences between PDF/A-1, PDF/A-2, PDF/A-3, and PDF/A-4, what features are prohibited, how to convert and valida...
DXF: AutoCAD's Drawing Exchange Format
What is DXF? Learn how AutoCAD's Drawing Exchange Format works, its group code structure, common entity types (LINE, CIRCLE, LWPOLYLINE), ho...
EPUB 3: The Open Standard for Ebooks and Digital Publications
What is EPUB 3? Learn the ZIP-based structure of .epub files, OPF package documents, navigation, XHTML5 content, how to create EPUB files in...
MXF: Material Exchange Format — The Backbone of Broadcast Video
Master MXF (Material Exchange Format): KLV packets, OP1a vs OP-Atom, AVC-Intra, DNxHD, AS-11 delivery, IMF, and FFmpeg commands for professi...
HEIC and HEIF: Apple's Modern Image Format Explained
Complete HEIC and HEIF guide: ISOBMFF container structure, HEVC compression, 10-bit HDR P3, Live Photos, pillow-heif Python conversion, FFmp...
WebP: Google's Modern Web Image Format — Complete Guide
Complete WebP guide: RIFF container, VP8 lossy and lossless algorithms, cwebp/dwebp CLI tools, Python Pillow batch conversion, HTML picture...
Opus: The Modern Audio Codec for Streaming, VoIP, and Music
Complete Opus codec guide: SILK vs CELT engines, bitrate quality comparison vs MP3 and AAC, FFmpeg libopus parameters, opusenc CLI, Python b...
AAC: Advanced Audio Coding — The Format Behind Every MP4 and iPhone
Complete AAC guide: LC, HE-AAC v1/v2, AAC-ELD profiles, M4A vs ADTS containers, FFmpeg libfdk_aac encoding, VBR modes, Python Pydub and Muta...
TIFF: Tagged Image File Format — The Gold Standard for Professional Imaging
Complete TIFF guide: IFD tag architecture, BitsPerSample, LZW vs Deflate compression, strip vs tile layout, 16-bit workflow, Python tifffile...
PostScript and EPS: The Languages of Professional Print Production
Complete PostScript and EPS guide: Level 1/2/3 features, DSC comments, BoundingBox, PostScript drawing operators, EPS restrictions, Ghostscr...
PDF/A: The Archival PDF Standard — Complete Guide
Complete PDF/A guide: PDF/A-1b/2b/3b standards, conformance levels (a/b/u), technical requirements (fonts, color, XMP), Ghostscript conversi...
DOCX: Word Open XML — The Technical Anatomy of the World's Most Common Document Format
Complete DOCX guide: OOXML ZIP architecture, document.xml paragraph/run model, styles and tables, tracked changes w:ins/w:del, python-docx r...
ZIP and 7z: Archive Formats — Structure, Compression, and Best Practices
Complete ZIP and 7z guide: Central Directory structure, compression methods (Deflate/LZMA2/Zstd), ZIP64 for large files, Python zipfile modu...
MP4: The Universal Video Container — Technical Deep Dive
Complete MP4 guide: ISOBMFF box architecture (ftyp/moov/mdat/stbl), moov-at-front fast start optimization, fragmented MP4 for DASH/HLS strea...
GIF: Graphics Interchange Format — The Complete Technical Guide
Complete GIF guide: GIF89a file structure, 256-color palette limitation, LZW compression, animation frame timing, Graphic Control Extension,...
PNG: Portable Network Graphics — Complete Technical Deep Dive
Complete PNG guide: chunk architecture (IHDR/IDAT/IEND), color types and bit depths (RGBA/Grayscale/Indexed), five filter algorithms (Sub/Up...
FLAC: Free Lossless Audio Codec — Technical Deep Dive
Deep dive into FLAC: stream structure, STREAMINFO metadata, LPC subframe prediction, Golomb-Rice entropy coding, compression levels, Python...
JSON: The Complete Technical Guide
Master JSON: RFC 8259 grammar, data types, string encoding, NDJSON streaming, JSON Schema validation, jq command-line processing, Python exa...
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