Who's using FileKit

Organizations, open source apps, and commercial products that use FileKit, each with a public source

FileKit ships in apps on mobile, desktop, and the web. Each entry says how the project uses FileKit and links to a public source: the build file that declares the dependency or, for closed-source apps, the developer’s own post.

Trusted by

Thunderbird

Thunderbird for Android and K-9 Mail use FileKit Core in their logging stack to write and export sync debug logs. Included from Thunderbird 26, currently in Daily builds. Source

Leboncoin

Spark, Leboncoin’s Android design system, builds its FileUpload components on FileKit pickers. Source

Gradle

Gradle Client, a desktop app for the Gradle Tooling API, picks build directories with FileKit. Source

Blockstream Green

The Green Bitcoin wallet imports and exports PSBT files and shares files with FileKit, on Android and desktop. Source

Square

workflow-trace-viewer, an internal desktop tool in the Workflow repository, loads trace files with the FileKit file picker. Source

Android FHIR SDK

The project started by Google, now under the OHS Software Foundation, uses FileKit camera and file pickers for attachments in its in-progress multiplatform Structured Data Capture module. Source

DroidKaigi

The official DroidKaigi 2025 conference app picks profile images with FileKit and loads them with Coil. Source

Mifos

Open source banking apps for Apache Fineract upload ID, KYC, and loan documents with FileKit: Mifos Mobile, Mifos Pay, and Mifos X Field Officer.

OSS Review Toolkit

ORT Workbench, the desktop viewer for ORT results, opens result files and directories with FileKit dialogs. Source

Scanbot SDK

The official Kotlin Multiplatform example app for the Scanbot SDK picks images and PDFs with FileKit. Source

Open source apps

Sorted by GitHub stars. The source link points to the build file that declares FileKit.

Project	Stars	How it uses FileKit	Source
Spotube		Music streaming app. Its Kotlin Multiplatform rewrite picks the download and cache folders, playlist covers, and plugin files	Source
Animeko		Anime tracking and streaming app: image attachments in comments, avatar upload, saving images, desktop cache folder	Source
AB Download Manager		Desktop download manager: download location folder picker and custom sound files	Source
StreetComplete		OpenStreetMap editor for Android and iOS: note photos, image compression, sharing log files	Source
MuJing		Desktop app to learn English words from movies and documents: opens subtitle, video, and vocabulary files	Source
AutoDev Xiuper		AI coding app for desktop, mobile, and web: file and directory pickers, web downloads	Source
Keyguard		Bitwarden and KeePass client: open and save dialogs for vaults and attachments on desktop	Source
CrossPaste		Cross-device clipboard sync: storage path, import, and export dialogs	Source
Twine		Multiplatform RSS reader: OPML feed import and export	Source
Husi		Multiplatform proxy tool: backup import and export, saving QR codes	Source
Bifrost		Samsung firmware downloader: file and folder pickers, save dialog	Source
Tomato		Pomodoro timer: backup and restore files	Source
qBitController		qBittorrent remote control: adds torrent files and exports data	Source
Kai		AI assistant on Android, iOS, desktop, and web: chat attachments, file export, sandbox file browser	Source
PodAura		Podcast and RSS app: OPML import and export, media folders, sharing	Source
Grit		Habit tracker: backup export and restore	Source
Bangumi for CMP		Unofficial bangumi.tv client: image pickers and Coil loading	Source
Rush		Lyrics search app: backups, background images, saving lyrics cards	Source
IReader		Novel reader: storage folder picker on desktop and iOS	Source
Hammer Editor		Story and novel writing tool: imports, exports, project images	Source
Edconv		FFmpeg interface for video and audio conversion: picks input media files	Source
kitshn		Tandoor recipes client for Android, iOS, and desktop: recipe photo picker	Source
Morphe Desktop		Desktop APK patching tool: file and directory pickers	Source
Heron		Bluesky client: media picker for posts and profiles, Coil previews, saving images to the gallery	Source
Askimo		AI desktop app: file and folder pickers, file saver	Source
Komelia		Komga media client: poster uploads, fonts, offline downloads, drag and drop	Source
Flocon		Desktop debugging companion for Android and KMP apps: CSV, Markdown, and image exports	Source
Pixelix		Pixelfed client: image and video picker in the post editor	Source
AndroidToolKit		Desktop tools for Android developers: file and directory pickers	Source
DevAnalyzer		Project analysis tool for developers: picks the project directory to analyze	Source
PixelSafe		Steganography tool for PNG images: picks the image and saves the result	Source
Butler		AI chat app: picks chat attachments	Source
Gluky, Refy, Pandoro, Neutron		Self-hosted apps: profile pictures and image uploads	Gluky, Refy, Pandoro, Neutron

Libraries

Library	Stars	How it uses FileKit	Source
ComposeMediaPlayer		Media player for Compose Multiplatform: opens a PlatformFile in the player	Source
kmpalette		Color palettes from images: builds a palette from a PlatformFile	Source

Commercial and closed-source apps

The developers of these apps shared how they use FileKit in the showcase discussion.

App	How it uses FileKit	Source
Ashampoo Photo Organizer	Photo management for large collections	Discussion post
Splital	Shared expenses app on Android and iOS: receipt and profile photos, image compression, PDF and CSV export	Discussion post
Tracker for Bluesky	Bluesky follower analytics on Android and iOS: JSON export and import to move data between phones	Discussion post
Parrot Workout Tracker	Fitness log on Android and iOS: data and routine import and export, sharing workout images	Discussion post
Authmeister	OTP authenticator on Android and iOS	Discussion post
Dancing Decibels	Music festival app: artist image imports, schedule import and export	Discussion post
Composables SVG to Compose	Web tool to convert SVG to Compose code. Its Compose version used FileKit to pick files	Discussion post

Add your project

Using FileKit in your project? Share it in the showcase discussion with a link to the code or a short note on how you use FileKit, and it can be added to this page. See what developers say on the wall of love.