FastCastA lightweight OBS alternative for Windows
FastCast is a simple, native Windows recorder and streamer. Pick a display and mic, then record an MP4 or go live without building scenes or configuring a broadcasting suite.
v0.9.2 · Windows installer · Instant Replay · Open Beta
Record your screen, your mic, and your webcam, then keep the file. Here is what you click to get there.
Every one of those controls is on the first screen. Nothing is hidden in a settings menu.
Keep OBS for the rest. It is a full broadcast studio and it earns those steps: scene switching, plugins, filters, and productions with a director. FastCast is the lightweight OBS alternative for the recording or RTMP stream you want to start in the next ten seconds. Compare FastCast and OBS.
Capture your screen, audio, and webcam without digging through menus, then save the last moment when it matters.
Record a whole monitor or just one running app, so the rest of your desktop never makes it into the file.
Monitor · WindowA live level meter sits between the two mute buttons, and you can mute either one with a keyboard shortcut that works from anywhere.
Ctrl+Alt+F10 / F11Turn the camera on and switch between screen, camera, and combined layouts while you are recording.
4 layoutsRemove a green backdrop from your webcam inside FastCast, then place yourself cleanly over your recording or stream.
Live chroma keyRecordings are saved as H.264 MP4 files, ready to upload or edit as soon as recording ends.
MP4 / H.264Keep the last 15 to 300 seconds in memory and save the moment as an MP4 after it happens. Press Ctrl+Alt+F8 when you want the clip; nothing is written until then.
15–300 sec · Ctrl+Alt+F8Use the same setup to stream to YouTube, Twitch, Kick, or another streaming service. There is no second scene to build for going live.
RTMP / RTMPSRecording starts and stops without switching windows, so the first and last seconds of the take are not you hunting for the button.
Ctrl+Alt+F9FastCast starts compact. Press F2 to put every capture and streaming control on one screen. Press it again to go back to the simple view.
Simple by default. Detailed on demand.
Start or stop recording, mute audio, and switch layouts with shortcuts that work while FastCast is behind your game, your call, or your editor.
Anywhere
In the FastCast window
If a game already uses the number keys, you can move the four layout shortcuts to Ctrl+Shift+1 through 4 or turn them off. Start, stop, and the two mutes stay where they are.
Licensing, manual update checks, website analytics, and user-directed streaming are covered in the FastCast Privacy Policy.
FastCast Free records and streams at 1080p60 and costs nothing during the Open Beta. A one-time Pro license unlocks the rest. It is $19 until the v1.0 launch, when the price rises to $29.
FastCast Pro One-time
$19 until v1.0
Rises to $29 at the v1.0 launch. No subscription, no account, no trial clock, and the key keeps working on the versions that come after it.
Get Pro for $19 Download FastCastPaste the key into Advanced in the app. Already have FastCast installed? You only need the key.
What Pro adds
Why $19 now? FastCast is one person writing a Windows capture app, and paying for the code signing certificate, the test hardware, and the hours is the whole reason the next version ships. Buying during the beta gets you Pro for $19. After the v1.0 launch it is $29.
FastCast is unsigned during the Open Beta, so Windows SmartScreen may show an Unknown Publisher warning the first time you run it.
Learn how to screen record on a Windows 11 or Windows 10 PC with microphone and desktop audio, a monitor or app window, and an optional webcam.
Why HDR screen recordings and screenshots look too bright on Windows, and how correct HDR-to-SDR tone mapping preserves highlights, contrast, and color.
How to combine screen capture with a webcam overlay for tutorials, courses, and demos: layout choices, audio setup, framing, and how FastCast handles it.
Start and stop FastCast recordings from PowerShell or a script with fastcastc, select a monitor, check exit codes, and troubleshoot controller errors.
Learn how to live stream on a Windows PC: choose screen, audio, and webcam sources, connect YouTube, Twitch, or Kick, test safely, and fix common failures.
Connect FastCast to YouTube Live securely with RTMPS and a stream key, configure screen and audio sources, and run a private test before going public.
Email Sturm Technologies for installation, recording, streaming, licensing, or billing support.
Include your FastCast version, Windows version, and a short description of the problem. Do not send passwords or stream keys. You can also write to calvinsturm@gmail.com.
FastCast is a native Windows screen recorder and live streaming app for local MP4 recording, Instant Replay clips, monitor or window capture, desktop audio, microphone capture, webcam overlay, and RTMP/RTMPS streaming.
Instant Replay keeps the last 15 to 300 seconds of your screen in memory and saves it as an MP4 when you press Ctrl+Alt+F8. Nothing is written until you save a clip, and the buffer keeps running afterward.
FastCast is a simpler OBS alternative for focused single-scene recording and streaming workflows. OBS is still better for advanced scenes, filters, plugins, or complex broadcast production.
Not unless you ask it to. Stream keys are session-only by default. Turning on Remember stream keys in Advanced stores them in Windows Credential Manager, encrypted by Windows under your user account, and turning it back off deletes them immediately. Keys never go into settings files, logs, or support bundles.
FastCast Free costs nothing during the Open Beta and records and streams at 1080p60. A FastCast Pro license is $19 until the v1.0 launch, when the price rises to $29. Pro unlocks 1440p and 4K recording, 120 fps capture, multistreaming to up to three destinations, and the advanced encoder controls. You pay once, with no subscription and no account, and the key keeps working on the versions that come after it.
FastCast is currently unsigned during Open Beta, so Windows SmartScreen may show an Unknown Publisher warning.
FastCast v0.9.2 for Windows 10 and 11, 64-bit. No account, no watermark, and no telemetry.