Datorfailu formātu enciklopēdija

Visaptveroša tehniska datubāze par datorfailu formātiem. Izpētiet baitu līmeņa galveņu parakstus (magic bytes), krāsu telpas, kompresijas algoritmus, izstrādātājus, RFC standartus un interaktīvus konvertēšanas un kompresijas rīkus.

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Galveno formātu tehniskie dosjē

Portable Document Format
.pdf
Maģiskais tips: 25 50 44 46

The Portable Document Format (PDF) is a ubiquitous digital paper standard designed to present documents consistently independent of application software, hardware, and operating systems.

Izgudrotājs: Dr. John Warnock & Adobe Camelot Project (1993)
Lasīt pilnu PDF tehnisko dosjē →
Portable Network Graphics
.png
Maģiskais tips: 89 50 4E 47 0D 0A 1A 0A

Portable Network Graphics (PNG) is an unencumbered raster graphics file format that supports lossless data compression, indexed colors, and variable alpha channel transparency.

Izgudrotājs: PNG Development Group (Thomas Boutell, Glenn Randers-Pehrson) (1995)
Lasīt pilnu PNG tehnisko dosjē →
Joint Photographic Experts Group
.jpg
Maģiskais tips: FF D8 FF

JPEG is the most widely adopted lossy compression standard for digital photography and web imagery, exploiting the human eye's higher sensitivity to luminance over chrominance.

Izgudrotājs: Joint Photographic Experts Group (1992)
Lasīt pilnu JPG tehnisko dosjē →
Google Web Picture Format
.webp
Maģiskais tips: 52 49 46 46

WebP is a modern image format developed by Google that provides superior lossless and lossy compression for web images, supporting both alpha transparency and animated frames.

Izgudrotājs: Google (based on On2 Technologies VP8 video codec) (2010)
Lasīt pilnu WebP tehnisko dosjē →
AV1 Image File Format
.avif
Maģiskais tips: 66 74 79 70 61 76 69 66

AVIF is a next-generation open image format derived from the AV1 video codec, delivering cutting-edge compression efficiency, high dynamic range (HDR), and wide color gamuts.

Izgudrotājs: Alliance for Open Media (AOMedia) (2019)
Lasīt pilnu AVIF tehnisko dosjē →
Scalable Vector Graphics
.svg
Maģiskais tips: 3C 73 76 67

Scalable Vector Graphics (SVG) is an XML-based vector image format for two-dimensional graphics with support for interactivity, CSS styling, and animation.

Izgudrotājs: World Wide Web Consortium (W3C) (2001)
Lasīt pilnu SVG tehnisko dosjē →
Office Open XML Document
.docx
Maģiskais tips: 50 4B 03 04

DOCX is a zipped, XML-based file format developed by Microsoft for word processing documents, standardizing Word documents under the Office Open XML specification.

Izgudrotājs: Microsoft (2006)
Lasīt pilnu DOCX tehnisko dosjē →
ZIP Compressed Archive
.zip
Maģiskais tips: 50 4B 03 04

ZIP is an archive file format that supports lossless data compression, allowing multiple files and directories to be packaged into a single transportable container.

Izgudrotājs: Phil Katz (PKWARE) (1989)
Lasīt pilnu ZIP tehnisko dosjē →
Graphics Interchange Format
.gif
Maģiskais tips: 47 49 46 38

The Graphics Interchange Format (GIF) is an 8-bit palette-based raster image format developed by CompuServe, celebrated worldwide for popularizing short looping animations on the early web.

Izgudrotājs: Steve Wilhite (CompuServe) (1987)
Lasīt pilnu GIF tehnisko dosjē →
JavaScript Object Notation
.json
Maģiskais tips: 7B or 5B

JavaScript Object Notation (JSON) is a lightweight, human-readable text format for data interchange, completely language-independent and universally used for web APIs.

Izgudrotājs: Douglas Crockford (2001)
Lasīt pilnu JSON tehnisko dosjē →
Comma-Separated Values
.csv
Maģiskais tips: Plain Text

Comma-Separated Values (CSV) is a ubiquitous plain-text format for tabular data, where each line represents a data record and fields are separated by delimiter characters.

Izgudrotājs: IBM / Early Computing Pioneers (1972)
Lasīt pilnu CSV tehnisko dosjē →
Extensible Markup Language
.xml
Maģiskais tips: 3C 3F 78 6D

Extensible Markup Language (XML) is a versatile markup language that defines a set of rules for encoding documents in a format that is both human-readable and machine-readable.

Izgudrotājs: World Wide Web Consortium (W3C Working Group) (1998)
Lasīt pilnu XML tehnisko dosjē →

Daudzrīku ekosistēma

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