QA samples

Zero-byte Common File Types

Download a zero-byte file or a file of about 1 KB in a common format. Both are fixtures, so you can test an upload, a size limit, or a file picker without a real document inside.

Zero-byte Text Files

.DOC

Microsoft Word Document (Legacy)

.DOCX

Microsoft Word Document

.EML

E-Mail Message

.MSG

Outlook Message Item File

.ODT

OpenDocument Text Document

.LOG

Log File

.MD

Markdown Documentation File

Zero-byte Data Files

.AAE

Sidecar Image Edit File

.BIN

Generic Binary File

.CSV

Comma-Separated Values File

.DAT

Data File

.KEY

Apple Keynote Presentation

.RPT

Crystal Reports File

.VCF

vCard File

.XML

XML File

.OBB

Android Opaque Binary Blob File

Zero-byte Audio Files

.AIF

Audio Interchange File Format

.FLAC

Free Lossless Audio Codec File

.M3U

M3U Media Playlist

.M4A

MPEG-4 Audio

.MID

MIDI File

Zero-byte Video Files

.3GP

3GPP Multimedia File

.ASF

Advanced Systems Format File

.AVI

Audio Video Interleave File

.FLV

Flash Video

.M4V

iTunes Video File

Zero-byte 3D Image Files

.3DM

Rhino 3D Model

.3DS

3D Studio Scene

.BLEND

Blender 3D Data File

.DAE

Digital Asset Exchange File

.FBX

Autodesk FBX Interchange File

Zero-byte Raster Image Files

.BMP

Bitmap Image

.DCM

DICOM Image

.DDS

DirectDraw Surface Image

.DJVU

DjVu Image

.GIF

Graphics Interchange Format File

.JPG

JPEG Image

.ICO

Icon File

.ICNS

macOS Icon Resource

Zero-byte Vector Image Files

.AI

Adobe Illustrator Artwork

.CDR

CorelDRAW File

.EMF

Enhanced Windows Metafile

.EPS

Encapsulated PostScript File

.PS

PostScript File

Zero-byte Page Layout Files

.INDD

Adobe InDesign Document

.OXPS

OpenXPS File

.PDF

Portable Document Format File

.PMD

PageMaker Document

.PUB

Publisher Document

.PPT

Microsoft PowerPoint Presentation (Legacy)

.PPTX

Microsoft PowerPoint Presentation

Zero-byte Spreadsheet Files

.NUMBERS

Apple Numbers Spreadsheet

.ODS

OpenDocument Spreadsheet

.XLR

Works Spreadsheet

.XLS

Microsoft Excel Spreadsheet (Legacy)

.XLSX

Microsoft Excel Spreadsheet

Zero-byte Database Files

.ACCDB

Access 2007 Database

.CRYPT14

WhatsApp Encrypted Database File

.DB

Database File

.MDB

Microsoft Access Database

.ODB

OpenDocument Database

Zero-byte Executable Files

.APK

Android Package File

.APP

macOS Application Bundle

.BAT

DOS Batch File

.CMD

Windows Command File

Zero-byte Game Files

.DEM

Video Game Demo File

.GAM

Saved Game File

.GBA

Game Boy Advance ROM

.NES

Nintendo Entertainment System (NES) ROM

Zero-byte CAD Files

.DGN

MicroStation Design

.DWG

AutoCAD Drawing

.DXF

Drawing Exchange Format File

.STEP

STEP 3D Model

.STL

Stereolithography File

Zero-byte GIS Files

.GPX

GPS Exchange File

.KML

Keyhole Markup Language File

.KMZ

Google Earth Placemark File

.OSM

OpenStreetMap Map

Zero-byte Web Files

.ASP

Active Server Page

.ASPX

Active Server Page Extended Webpage

.CER

Internet Security Certificate

.CFM

ColdFusion Markup File

.CSR

Certificate Signing Request File

Zero-byte Plugin Files

.CRX

Chromium Extension

.ECF

Outlook Add-in

.PLUGIN

Adobe Photoshop Plug-in

.SAFARIEXTZ

Apple Safari Extension

.XPI

Cross-platform Installer Package

Zero-byte Font Files

.FNT

Windows Font File

.OTF

OpenType Font

.TTF

TrueType Font

.WOFF

Web Open Font Format File

.WOFF2

Web Open Font Format 2.0 File

Zero-byte System Files

.ANI

Windows Animated Cursor

.CAB

Windows Cabinet File

.CPL

Windows Control Panel Item

.CUR

Windows Cursor Image

.DESKTHEMEPACK

Windows 8 Desktop Theme Pack File

.DLL

Dynamic Link Library

.DMP

Windows Memory Dump

.DRV

Device Driver

.LNK

Windows Shortcut

.REG

Registry File

.SYS

Windows System File

Zero-byte Settings Files

.CFG

Configuration File

.INI

Windows Initialization File

.SET

Settings File

Zero-byte Encoded Files

.ASC

PGP ASCII Armored File

.ENC

Encoded File

.MIM

Multi-Purpose Internet Mail Message File

.UUE

Uuencoded File

Zero-byte Compressed Files

.7Z

7-Zip Compressed File

.CBR

Comic Book RAR Archive

.DEB

Debian Software Package

.GZ

Gnu Zipped Archive

.TAR

Tape Archive

.PKG

macOS Installer Package

Zero-byte Disk Image Files

.DMG

Apple Disk Image

.IMG

Disc Image Data File

.ISO

Disk Image File

.MDF

Media Descriptor File

Zero-byte Developer Files

.APPX

Windows App Package

.C

C/C++ Source Code File

.CLASS

Java Class File

.CONFIG

Configuration File

.CPP

C++ Source Code File

.CS

C# Source Code File

.H

C/C++/Objective-C Header File

.JAVA

Java Source Code File

.KT

Kotlin Source Code File

.LUA

Lua Source Code

.M

Objective-C Implementation File

.PL

Perl Script

.PY

Python Script

.SB3

Scratch 3.0 Project

.SLN

Visual Studio Solution File

.SWIFT

Swift Source Code File

.UNITY

Unity Scene File

.VB

Visual Basic Project Item File

.VCXPROJ

Visual C++ Project

.XCODEPROJ

Xcode Project

.YML

YAML Document

Zero-byte Backup Files

.ABK

Automatic Backup File

.ARC

Norton Backup Archive

.BAK

Backup File

.TMP

Temporary File

Zero-byte Misc Files

.CRDOWNLOAD

Chrome Partially Downloaded File

.ICS

Calendar File

.MSI

Windows Installer Package

.NOMEDIA

Android No Media File

.PART

Partially Downloaded File

.MPP

Microsoft Project File