Browse By File Category
Select a specialized category to find exactly the mock files you need for your testing scripts.
Documents & Text
PDFs, spreadsheets, presentations, and rich text formats for testing documents.
Image Files
Standard, vector, web-optimized, and lossy/lossless image files.
Code & Data
Source code files, data exchange structures, markup, and database scripts.
Archives & Compressed
Standard archives and high-compression container formats for directory packages.
Video Files
Common video containers and web-ready streaming media formats.
Audio Files
Compressed and uncompressed music, soundtrack, and audio stream formats.
Executables & System
Disk images, application executables, scripts, and installer packages.
Supported Formats Directory
Select an extension to immediately download custom mock files of any size.
Universal formatting standard for document viewing, printing, and exchange.
DOCX
Documents & TextModern XML-based standard text document format used primarily by MS Word.
DOC
Documents & TextLegacy binary text document format utilized in Word 97-2003.
XLSX
Documents & TextGrid-based tabular data sheets featuring functions, calculations, and tables.
PPTX
Documents & TextStandard slide presentation decks featuring slide layouts, images, and text shapes.
RTF
Documents & TextLegacy cross-platform formatted text standard supported by most word processors.
TXT
Documents & TextRaw UTF-8 text with absolutely no styling or formatting applied.
EPUB
Documents & TextOpen e-book standard containing HTML pages, styles, images, and metadata.
MD
Documents & TextLightweight plain text markup standard featuring human-readable format symbols.
PNG
Image FilesLossless raster image format supporting alpha transparency.
JPG
Image FilesLossy compressed image format widely used for digital photos.
WEBP
Image FilesModern image format providing superior lossy and lossless web compression.
SVG
Image FilesXML-based vector graphic format supporting high-resolution scaling.
GIF
Image FilesRaster image format supporting standard 256-color palettes and looping animations.
BMP
Image FilesUncompressed raw raster image standard developed for Windows environments.
TIFF
Image FilesHigh-quality lossless graphic standard popular in publishing and photography.
ICO
Image FilesIcon file format storing multiple pixel sizes and transparency levels.
AVIF
Image FilesNext-generation image format with superior compression using AV1 video codec intra-frames.
HEIC
Image FilesApple's default photo format using HEVC compression for smaller file sizes than JPEG.
HTML
Code & DataThe structural skeleton standard of all web documents.
CSS
Code & DataStyle declaration language used to format web layouts and design systems.
JS
Code & DataHigh-level dynamic scripting language of the web platform.
TS
Code & DataStatically typed superset of JavaScript compiling down to standard JS.
JSON
Code & DataUbiquitous lightweight human-readable structured data exchange format.
XML
Code & DataFlexible, hierarchical tag markup system for data storage and custom schemas.
YAML
Code & DataMinimalist indentation-based serialization standard for configuration files.
CSV
Code & DataSimple text standard representing tabular datasets separated by comma delimiters.
TSV
Code & DataTab-delimited structured raw text format for tabular spreadsheet data.
SQL
Code & DataDatabase queries, schema definitions, and table inserts in plain SQL format.
PHP
Code & DataServer-side template-driven scripting language for dynamic web pages.
PY
Code & DataGeneral-purpose scripting and high-level programming language code file.
SH
Code & DataLinux/Unix executable shell commands and automation script.
ICS
Code & DataUniversal calendar data exchange format for events, meetings, and scheduling across all calendar apps.
EML
Code & DataStandard RFC 822 email message format used by Outlook, Apple Mail, and Thunderbird.
ZIP
Archives & CompressedStandard directory compression container package supported natively.
RAR
Archives & CompressedProprietary high-efficiency archive format widely used for multi-part files.
7Z
Archives & CompressedHigh-ratio open-source compression format using LZMA algorithms.
BZ2
Archives & CompressedHigh-quality single-file compression container format using the Burrows-Wheeler algorithm.
TAR
Archives & CompressedStandard UNIX sequential archive format packaging multiple files without compression.
GZ
Archives & CompressedStandard Unix compression format using the DEFLATE algorithm.
MP4
Video FilesModern standard video container using H.264 / H.265 audio-video codecs.
MOV
Video FilesCommon multimedia file wrapper standard developed by Apple.
WEBM
Video FilesOpen-source web video container using VP8/VP9/AV1 video codecs.
MKV
Video FilesHighly flexible video file packaging infinite subtitle, audio, and video tracks.
AVI
Video FilesLegacy multimedia container format developed by Microsoft in 1992.
3GP
Video FilesMultimedia container format designed for mobile phones and 3G network video streaming.
MP3
Audio FilesUbiquitous digital audio standard utilizing lossy audio compression algorithms.
WAV
Audio FilesUncompressed raw audio wave format containing high-fidelity PCM audio blocks.
M4A
Audio FilesLossy compressed audio file container popular on Apple systems and standard players.
OGG
Audio FilesPatent-free lossy compression audio container format developed by Xiph.Org.
FLAC
Audio FilesLossless compression audio standard preserving exact original waveform details.
AAC
Audio FilesModern lossy audio compression standard providing better quality than MP3 at the same bitrate.
EXE
Executables & SystemStandard binary executable utility containing PE (Portable Executable) code block.
ISO
Executables & SystemExact sector-by-sector replication archive of physical optical disc structures.
DMG
Executables & SystemUDIF file system container standard utilized by macOS for package distribution.
JAR
Executables & SystemCompressed program wrapper package containing Java classes, resources, and metadata.
APK
Executables & SystemApplication package file format utilized by the Android OS for mobile app distribution.
BAT
Executables & SystemCommand script containing a sequence of system actions executed by cmd.exe.