MarshalX

Apps, browser extensions
and fonts.

Products

FLUXORA

Media server

Add your films, music, photos and documents once, on your own PC. Play them on your phone, TV or any browser, at home or across town.

Windows Android Android TV Any browser Free to download. Paid plans add more.

FLUXORA

Media server

Your films, music, photos and documents stay on your own PC. Play or share them on any screen, at home or away.

Windows Android Android TV Any browser Free to download. Paid plans add more.

BACK POCKET

Chrome extension

Saves your tab groups with every tab's Back history.

Free; Pro $9.99 a year, or $24.99 once Add to Chrome →
OTF TTF WOFF2
From $19, one payment
Get Apsis →

APSIS

Typeface
From $19, one payment
OTF TTF WOFF2
Get Apsis →
OTF TTF WOFF2
From $19, one payment
Get Apsis →
Omni Bridge's settings: audio, languages and caption type
Desktop app

Omni Bridge

Live translated captions for any audio your PC plays.

Windows 10 and later

Free tier; paid plans add engines

Download →
ProvenanceX: a WAV file's sources, settings and console
Web app

ProvenanceX

Checks a WAV file for signs that it was made by AI.

Any browser Nothing uploaded

Free

Open the app →

Also by MarshalX

Omni BridgeDesktop appLive translated captions for anything your PC plays.ProvenanceXWeb appChecks WAV files for signs of AI and strips their metadata.

All products and projects →

Client work

Work with MarshalX

I build Fluxora and Back Pocket, and I build for clients too: an app, a browser extension or the backend behind them.

Write to contact@marshalx.dev Say what you would like built and roughly when.

Apps for phone and desktop

Flutter, one codebase for Android and Windows. Fluxora's phone and desktop apps are built this way.

Fluxora
Add Library Name Films Type Movies D:\Media\Films E:\Archive\Movies Create Library
The Emberwatcher Films · 2h 08m P2P

Chrome extensions

Manifest V3, Google sign-in, sync and payments. Back Pocket is one, live on the Chrome Web Store.

Back Pocket
Trip to Lisbon 5 tabs Kept in Saved
Lisbon - Wikipediaen.wikipedia.org
Lisbon - Google Mapsgoogle.com
Alfama flat - Airbnb3
Lisbon Work

AI features

Machine-learning models in Python and PyTorch, built into an app rather than bolted on.

Omni Bridge
Omni Bridge SpanishEnglish
LIVE SOURCE · ES

Hola, bienvenidos a todos.

TRANSLATION · EN

Hello, welcome, everyone.

Backends and APIs

Python and FastAPI, Firebase, Cloudflare Workers: the servers, sign-in and purchase checks behind an app.

Fluxora · Back Pocket
Home PCFluxora's serverOnline
Signed in with GoogleBack Pocket✓
Back Pocket ProPurchase checkedActive
From the first sketch to the launch Cap height Baseline
The first sketchWhat it does, for whom, on which devices.
The app and its backendFluxora, Back Pocket, Omni Bridge
The store listingBack Pocket, on the Chrome Web Store
Payments and licencesStandard $19, Extended $79
APSIS
The website that sells itfluxora.marshalx.devbackpocket.marshalx.dev
Launched