Browse file extensions by category or letter. Learn what each file type is used for and find software that can open, view, edit, or convert it.
Use this directory to look up file formats, understand what files are used for, and find compatible applications for Windows, macOS, Linux, mobile, and online tools.
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QCOW2 (QEMU Copy On Write version 2) is a disk image format used by QEMU, a popular open-source virtualization solution. It's designed…
QFX, which stands for Quicken Financial Exchange, is a proprietary financial data format developed by Intuit for use with its Quicken…
The Quicken Interchange Format (QIF) is an open specification for reading and writing financial data to media. Originally developed by…
Quarto Markdown (.qmd) is an open-source scientific and technical publishing system built on Pandoc. It serves as the next-generation…
QML (Qt Modeling Language) is a declarative user interface markup language used for designing and developing application interfaces wi…
A QR code (Quick Response code) is a type of matrix barcode (or two-dimensional barcode) first designed in 1994 for the automotive ind…
The QUAL file format is a text-based format used in bioinformatics to store quality scores for DNA sequences, typically complementing…
QCOW2 (QEMU Copy On Write version 2) is a disk image format used by QEMU, a popular open-source virtualization solution. It's designed to be a flexible and eff…
QFX, which stands for Quicken Financial Exchange, is a proprietary financial data format developed by Intuit for use with its Quicken personal finance manageme…
The Quicken Interchange Format (QIF) is an open specification for reading and writing financial data to media. Originally developed by Intuit for its Quicken p…
Quarto Markdown (.qmd) is an open-source scientific and technical publishing system built on Pandoc. It serves as the next-generation version of R Markdown, de…
QML (Qt Modeling Language) is a declarative user interface markup language used for designing and developing application interfaces within the Qt framework. It…
A QR code (Quick Response code) is a type of matrix barcode (or two-dimensional barcode) first designed in 1994 for the automotive industry in Japan. A barcode…
The QUAL file format is a text-based format used in bioinformatics to store quality scores for DNA sequences, typically complementing a corresponding FASTA fil…
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