File IO

General file read/write libraries in Julia.
See also official documentation about the filesystem and Julia IO.

General packages

• ararslan/ULID.jl : The ulid() function generates Universally Unique Lexicographically Sortable Identifiers (ULIDs).
• JuliaIO/FileIO.jl : general dispatcher for save and load, support for recognizing magic bytes and file-extensions.
• JuliaIO/SerialPorts.jl : SerialPort IO streams in Julia.
• JuliaIO/StructIO.jl : Generates IO methods (pack, unpack) from structure definitions.
• rofinn/FilePaths.jl : A type based approach to working with filesystem paths.

Object serialization

Similar to Python's pickle.

• JuliaIO/BSON.jl : A Julia package for working with the Binary JSON serialisation format, that can be used as a general store for Julia data structures.
• JuliaIO/CBOR.jl : A Concise Binary Object Representation (RFC 7049) Julia package for working with the CBOR data format, providing straightforward encoding and decoding for Julia types.
• JuliaIO/JLD.jl : High-level interface to HDF5 for saving and loading Julia variables and types.
• JuliaIO/JLD2.jl : Next-generation successor to JLD.

File Compression

• JuliaIO/Blosc.jl : Fast lossless compression from the Blosc library, currently limited to 32-bit buffer sizes.
• JuliaIO/Snappy.jl : A Julia wrapper for the snappy library.
• JuliaIO/TranscodingStreams.jl : Simple, consistent interfaces for zip, zstd, lz4, bzip2, etc.
• yuyichao/LibArchive.jl : Wrapper for libarchive.

ZIP

• fhs/ZipFile.jl : Read/Write ZIP archives in Julia.
• JuliaIO/CodecZlib.jl : zlib interface for Julia. Used in TranscodingStreams.jl.
• JuliaIO/GZip.jl : A Julia wrapper for gzip functions in zlib.

File Formats

• Reading and writing TOML files in the official documentation.

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• azraq27/RawFile.jl by @azraq27 : A simple, fast file format for storing numeric arrays in .raw files.
• christophfeinauer/PdbTool.jl : An object-oriented Julia tool to parse PDB files and work with them.
• emmt/OIFITS.jl : Support for OI-FITS (optical interferometry data format).
• fhs/NPZ.jl : Julia package that provides support for reading and writing Numpy .npy and .npz files.
• joshuamiller/BEncode.jl : A Julia library for BEncode metadata files used for encoding BitTorrent storage and transmission of loosely structured data.
• JuliaData/Avro.jl : A pure Julia implementation of the Apache Avro data standard
• JuliaData/FlatBuffers.jl : A package to support Julia code generated by Google's flatbuffers compiler flatc.
• JuliaData/YAML.jl : read and write .yml files.
• JuliaGeo/Shapefile.jl : Parsing .shp files.
• sam81/BDF.jl : Module to read Biosemi BDF files with the Julia programming language.
• tk3369/SASLib.jl : Provide a Julia library for reading SAS7BDAT data sets.
• traktofon/FortranFiles.jl : Read and write "unformatted" Fortran data, i.e. binary data interspersed with metadata about data records.

INI files

• JuliaIO/ConfParser.jl : Julia package for parsing configuration (e.g., *.ini) files.
• JuliaIO/IniFile.jl : Reading and writing Windows-style INI files.

HDF5 files

HDF5 format

• JuliaIO/HDF5.jl : Lib to read HDF5 format files, a widely-used file format for general data.
• tuckermcclure/HDF5Logger.jl : Allows logging individual frames of data to an HDF5 file over time.

JSON files

• JuliaCloud/LazyJSON.jl : it does not process any part of the JSON text until values are requested through the AbstractVector and AbstractDict interfaces.
• JuliaData/JSONTables.jl : JSON3.jl + Tables.jl.
• JuliaIO/JSON.jl : JSON parsing and printing.
• quinnj/JSON3.jl : Yet another JSON package for speed and slick struct mapping. Faster than JSON.jl.

XML files

• JuliaCloud/XMLDict.jl : This package implements a simple Associative interface for XML documents.
• JuliaIO/EzXML.jl : XML/HTML handling tools for primates.
• JuliaIO/LibExpat.jl : A Julia wrapper for libexpat.
• JuliaIO/LightXML.jl : A light-weight Julia package for XML based on libxml2.
• timholy/mzXML.jl : A Julia package for reading mass spectrometry mzXML files.

Tabular Data

See also data-science

• apache/arrow-julia : Pure Julia implementation of the apache arrow data format.
• JockLawrie/Schemata.jl : Schema (specification of a data set) for tabular data sets in Julia.
• JuliaData/Feather.jl : Julia library for working with feather(v1)-formatted files.
• JuliaData/JuliaDB.jl : JuliaDB is a package for working with large persistent data sets.
• JuliaData/Tables.jl : This package provides four useful interface functions for working with tabular data in a variety of formats.
• JuliaIO/MAT.jl : Julia module for reading MATLAB files.
• piever/TableWidgets.jl : Interactive widgets to work with tabular data in Julia.
• queryverse/StatFiles.jl : FileIO.jl integration for Stata, SPSS, and SAS files.
• ttps://github.com/queryverse/ReadStat.jl : Read files from Stata, SAS, and SPSS.

CSV files

csv files.

• JuliaData/CSV.jl : Utility library for working with CSV and other delimited files in the Julia programming language.
• JuliaData/DelimitedFiles.jl : A package for reading and writing files with delimited values (Originally a Julia stdlib).
• queryverse/CSVFiles.jl : FileIO.jl integration for CSV files.
• strickek/ReadWriteDlm2.jl : CSV IO. Works like readdlm/writedlm, but using decimal comma by default. Additional supporting Date, DateTime, Time, Complex, Missing and Rational types.

Parquet files

Apache parquet format

• JuliaIO/Parquet.jl : Julia implementation of parquet columnar file format reader and writer.
• ExpandingMan/Parquet2.jl : (another) pure Julia implementation of the parquet tabular data binary format.

Document Processors

Document Processors for Word, Excel, and PDF files.

• ASML-Labs/PPTX.jl : Generate PowerPoint PPTX files from Julia.
• aviks/Taro.jl : Excel, Word, and PDF documents in Julia.
• felipenoris/XLSX.jl : Excel file reader/writer coded in pure Julia.
• MichaelHatherly/CommonMark.jl : A CommonMark-compliant parser for Julia.
• queryverse/ExcelReaders.jl : A package that provides functionality to read Excel files.
• sambitdash/LabelNumerals.jl : Numbers used as labels like page number like alpha, roman numerals or prefixed like A-1,2 etc.
• sambitdash/PDFIO.jl : PDF Reader Library for native Julia.
• sylvaticus/OdsIO.jl : Open Document Format Spreadsheet (ODS) I/O for Julia using the python ezodf module.
• PumasAI/WriteDocx.jl : A Julia package to create docx files for Microsoft Word from scratch.

LaTeX

• jlcode : A LaTeX package for displaying Julia code with the listings package.

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• chakravala/VerTeX.jl : typeset scattered graph data rewriter based on LaTeX nodes.
• co1emi11er2/Handcalcs.jl : converting Julia calculations into rendered LaTeX.
• korsbo/Latexify.jl : Convert julia objects to LaTeX equations, arrays or other environments.
• MichaelHatherly/Tectonic.jl : Julia interface for the tectonic LaTeX engine.
• oxinabox/Expr2LaTeX.jl : Take a julia Expr and render it as LaTeX.
• scheinerman/LatexPrint.jl : Print Julia objects in a form suitable for LaTeX mathematics mode.
• stevengj/LaTeXStrings.jl : Convenient input and display of LaTeX equation strings for the Julia language.
• PumasAI/SummaryTables.jl : A Julia package for creating publication-ready summary tables in HTML, docx, LaTeX and Typst.

Citations

• Humans-of-Julia/Bibliography.jl : a Julia package for handling both import/export from various bibliographic format (e.g. BibTeX).

Image Formats

See also graphics

• JuliaAstro/FITSIO.jl : Flexible Image Transport System (FITS) support for Julia.
• JuliaHealth/DICOM.jl : DICOM interface for the Julia language.
• JuliaImages/Images.jl : An image library for Julia.
• JuliaIO/AndorSIF.jl : This implements support for reading Andor SIF image files in the Julia programming language. Note: The Andor .SIF format changes with each version.
• JuliaIO/ImageIO.jl : Load images in Julia.
• JuliaIO/ImageMagick.jl : Thin Wrapper for the library ImageMagick, for general-purpose image saving and loading.
• JuliaIO/Netpbm.jl : Julia support for Netpbm (.ppm, .pgm, .pbm).
• JuliaIO/NRRD.jl : Julia support for the Nearly Raw Raster Data (NRRD) image file format
• JuliaIO/QuartzImageIO.jl : Thin wrapper around OSX's native image format saving and loading.
• JuliaNeuroscience/NIfTI.jl : Julia module for reading NIfTI MRI files.
• tlnagy/OMETIFF.jl : I/O operations for OME-TIFF files in Julia with a focus on correctness.
• tlnagy/TiffImages.jl : Pure-Julia TIFF I/O.