KnifeLemon / Filee

Free, open-source file converter. Convert 255 formats offline by drag & drop — images, PDF, Word, Excel, PowerPoint, HWP/HWPX, video, audio, e-books and archives. No upload, no Office needed.

remotion-dev / remotion

Framework for creating videos programmatically using React components, with rendering to MP4 and other formats.

alexgaoth / awesome-reverse-engineered

Don't reverse engineer it twice. 16,000+ open-source tools built by reverse engineering closed apps, APIs, devices, protocols, file formats, games and AI tools. Search site + agent skill + MCP server, refreshed nightly.

QuantumNous / new-api

Self-hosted AI gateway that exposes one API to clients while routing requests to multiple upstream model providers.

morluto / awesome-reverse-engineering

Curated reverse-engineering tools and learning resources for binaries, apps, firmware, formats, and protocols.

koreader / koreader

A document viewer for e-ink readers that opens PDF, DjVu, EPUB, FB2 and other ebook formats on Kindle, Kobo, PocketBook and other devices.

PDFMathTranslate / PDFMathTranslate

[EMNLP 2025 Demo] PDF scientific paper translation with preserved formats - 基于 AI 完整保留排版的 PDF 文档全文双语翻译，支持 Google/DeepL/Ollama/OpenAI 等服务，提供 CLI/GUI/MCP/Docker/Zotero

jgm / pandoc

Haskell library and command-line tool that converts documents between many markup formats, such as Markdown, LaTeX, HTML, DOCX, and EPUB.

flyfish-dev / file-viewer

Preview 275+ file formats in the browser: Office, PDF, OFD, CAD, 3D, archives. Pure frontend, no server conversion. Vue / React / Svelte / Web Components.

Anxcye / anx-reader

Cross-platform e-book reader for EPUB, MOBI, AZW3, FB2, TXT and PDF, built with Flutter.

aonez / Keka

A macOS and iOS file archiver that compresses and extracts files in many formats, with optional encryption.

deckerst / aves

Android gallery and metadata explorer app built with Flutter, handling images, videos, and exotic formats like multi-page TIFFs and SVGs.

kovidgoyal / calibre

The official source code repository for the calibre ebook manager

C4illin / ConvertX

💾 Self-hosted online file converter. Supports 1000+ formats ⚙️

ImageMagick / ImageMagick

ImageMagick is a free, open-source software suite for creating, editing, converting, and displaying images. It supports 200+ formats and offers powerful command-line tools and APIs for automation, scripting, and integration across platforms.

gotenberg / gotenberg

A developer-friendly API for converting many document formats into PDF files, and more!

artifact-keeper / artifact-keeper

Open-source universal artifact registry. Drop-in Artifactory/Nexus alternative with 40+ package formats, security scanning, WASM plugins, and edge replication.

WDHUS4G / Filee

Free, open-source file converter (mirror of KnifeLemon/Filee, MIT). Convert 180+ formats offline

Unstructured-IO / unstructured

Convert documents to structured data effortlessly. Unstructured is open-source ETL solution for transforming complex documents into clean, structured formats for language models. Visit our website to learn more about our enterprise grade Platform product for production grade workflows, partitioning, enrichments, chunking and embedding.

d2phap / ImageGlass

🏞 A fast, open-source, modern image viewer for 90+ formats – including WEBP, GIF, SVG, AVIF, JXL, HEIC and more – built for smooth browsing across Windows, macOS, and Linux.

EvotecIT / OfficeIMO

MIT-licensed, COM-free .NET libraries for creating, reading, editing, converting, rendering, and extracting Office, PDF, email, OneNote, and text formats.

oomol-lab / pdf-craft

PDF craft can convert PDF files into various other formats. This project will focus on processing PDF files of scanned books.

exiftool / exiftool

Perl library and command-line tool for reading, writing and creating metadata (EXIF, IPTC, XMP and more) across hundreds of file formats.

xberg-io / xberg

Polyglot document intelligence with a Rust core: extract text, metadata, images, tables, and structured data from 106 formats across 140 file extensions, plus code intelligence for 371 languages. Fifteen bindings, with CLI, REST API, and MCP server.

onekey-sec / unblob

Extract files from any kind of container formats

ONLYOFFICE / DocumentServer

ONLYOFFICE Docs is a free collaborative online office suite comprising viewers and editors for texts, spreadsheets and presentations, forms and PDF, fully compatible with Office Open XML formats: .docx, .xlsx, .pptx and enabling collaborative editing in real time.

PHPOffice / PhpSpreadsheet

A pure PHP library for reading and writing spreadsheet files such as Excel, LibreOffice Calc, and ODS formats.

lief-project / LIEF

LIEF - Library to Instrument Executable Formats (C++, Python, Rust)

cweijan / vscode-office

Let VSCode support previewing PDF, Excel, Word and other formats, and add markdown WYSIWYG editor.

orval-labs / orval

orval is able to generate client with appropriate type-signatures (TypeScript) from any valid OpenAPI v3 or Swagger v2 specification, either in yaml or json formats. 🍺

Lymphatus / caesium-image-compressor

Caesium is an image compression software that helps you store, send and share digital pictures, supporting JPG, PNG, WebP and TIFF formats. You can quickly reduce the file size (and resolution, if you want) by preserving the overall quality of the image.

OSGeo / gdal

GDAL is an open source MIT licensed translator library for raster and vector geospatial data formats.

jark006 / JarkViewer

一款简约且飞快的看图软件，支持 AVIF、HEIC、JPEG-XL 和 实况照片 等超多新兴图像格式！A minimalist and lightning-fast image viewer that supports a wide range of emerging image formats such as AVIF, HEIC, JPEG-XL, and Live Photos!

dr5hn / countries-states-cities-database

🌍 Discover our global repository of countries, states, and cities! 🏙️ Get comprehensive data in JSON, SQL, PSQL, SQLSERVER, MONGODB, SQLITE, XML, YAML, and CSV formats. Access ISO2, ISO3 codes, country code, capital, native language, timezones (for countries), and more. #countries #states #cities

google / google-java-format

Reformats Java source code to comply with Google Java Style.

Dictionarry-Hub / profilarr

Configuration Management Platform for Radarr/Sonarr

thorvg / thorvg

A production-ready C++ vector graphics engine supporting SVG and Lottie formats, featuring advanced rendering backends such as WebGPU for high-performance graphics.

obsidianmd / obsidian-importer

Convert your data to Markdown files you can use in Obsidian. Works with Apple Notes, OneNote, Evernote, Notion, Google Keep, and many other formats.

higress-group / himarket

HiMarket is an enterprise-level "AI Capability Marketplace and Developer Ecosystem Hub." It is not merely a simple aggregation of traditional APIs, but rather a comprehensive platform that packages, publishes, manages, and operates core AI assets such as enterprise Model APIs, MCP Servers, Agent APIs, etc., through standardized product formats.

assimp / assimp

The official Open-Asset-Importer-Library Repository. Loads 40+ 3D-file-formats into one unified and clean data structure.

nissl-lab / npoi

a .NET library that can read/write Office formats without Microsoft Office installed. No COM+, no interop.

google / wuffs

Wrangling Untrusted File Formats Safely

oxsecurity / megalinter

Runs a bundle of linters, formatters, and security scanners over a repository in CI, via GitHub Action, other CI systems, or locally.

owntone / owntone-server

Audio server that can play to AirPlay 1+2 speakers (multiroom), Chromecast and locally. Supports Spotify, internet radio and many file formats. Also MPD server, iTunes DAAP, smart playlists, Apple Remote and much more.

docmd-io / docmd

Documentation compiler for humans and machines. One Markdown source to website, search, AI context, and knowledge formats together.

ONLYOFFICE / Docker-DocumentServer

ONLYOFFICE Document Server is an online office suite comprising viewers and editors for texts, spreadsheets and presentations, fully compatible with Office Open XML formats: .docx, .xlsx, .pptx and enabling collaborative editing in real time.

vgmstream / vgmstream

vgmstream - A library for playback of various streamed audio formats used in video games.

pikvm / ustreamer

µStreamer - Lightweight and fast MJPEG-HTTP streamer

vgmtrans / vgmtrans

VGMTrans - a tool to convert proprietary, sequenced videogame music to industry-standard formats

fox-it / dissect

Dissect is a digital forensics & incident response framework and toolset that allows you to quickly access and analyse forensic artefacts from various disk and file formats, developed by Fox-IT (part of NCC Group).

scrapinghub / extruct

Extract embedded metadata from HTML markup

harshankur / officeParser

A robust, strictly-typed Node.js and Browser library for parsing office files into a rich Abstract Syntax Tree (AST) and generating high-fidelity output in multiple formats. Parses: docx · pptx · xlsx · odt · odp · ods · pdf · rtf · csv · md · html. Generates: Markdown · HTML · CSV · RTF · PDF · Plain Text · RAG Chunks

niivue / niivue

a WebGL2 based medical image viewer. Supports over 30 formats of volumes and meshes.

jplenio / ComfyUI-MiniMax-Music-Production-Toolkit

Complete Production Environment for professional MiniMax Music 3 audio generation, including Prompt Generation, Metadata generation including Cover Art, Sound Enhancement to improve Minimax weaknesses, mastering, and saving in various file formats

donislawdev / TestingFilesGenerator

Generate test files for QA and automated testing, 31+ formats at any exact byte size, with ready-made presets, reusable recipes, and manifests that define expected results. 100% offline GUI + CLI

wader / fq

fq - jq for binary formats. Tool, language and decoders for working with binary formats.

ComplianceAsCode / content

Security automation content in SCAP, Bash, Ansible, and other formats

AcademySoftwareFoundation / OpenImageIO

Reading, writing, and processing images in a wide variety of file formats, using a format-agnostic API, aimed at VFX applications.

platers / obsidian-linter

An Obsidian plugin that formats and styles your notes with a focus on configurability and extensibility.

Kotlin / ktfmt

A program that reformats Kotlin source code to comply with the common community standard for Kotlin code conventions.