PhasmaStrap
Download
v2.21.1See what's new

The Roblox launcher for people who care how it runs.

Per game FastFlags, instant replays, an FPS overlay and a stream safe view for OBS, in one app that keeps itself up to date.

Download for Windows See all features

Free and open source · 22.3 MB · Windows 10 and 11

The PhasmaStrap app on its Games page: a Continue where you left off card, your library and trending games.
Free and open source
Every line is on GitHub
Built on Bloxstrap
With a lot added on top
Updates itself
Checked against its checksum
Windows 10 and 11
Needs the .NET 6 Desktop Runtime

Features

Everything Roblox's launcher doesn't do.

See every feature
FPS overlay
Your frame rate in game, in a HUD you place and style yourself.
Crosshair editor
Start from a preset or shape your own, down to the gap and the ring.
Per game FastFlags
Give each game its own flags. They switch over when you join.
Captures library
Every clip and screenshot in one window, with search and rename.
Server browser
Pick a server by region and ping before you join.
Parties
Share a code and follow a leader into games together.

Also in the box

No screen for these, they work while you play
Instant Replay
One key saves the last minutes as a clip.
Read more about Instant Replay
Stream safe mode
OBS gets a view with chat and names hidden.
Read more about stream safe mode
PhasmaStrap on Performance, Overlays, Stats HUD: switches for the FPS overlay and extra rows such as frame time, CPU, RAM and server ping, with a live preview of the HUD.PhasmaStrap on Performance, Overlays, Crosshair: a crosshair preview next to presets and sliders for arm length, thickness, gap, a centre dot, a ring and colour.The FastFlags editor in PhasmaStrap: flag profiles per game in a sidebar and the flags of the chosen profile in a list.PhasmaStrap on Capture, Screenshots: a grid of screenshots with search, filters and a preview.The server browser in PhasmaStrap: the servers of a game with their region, ping, players and a Join button.PhasmaStrap on Social, Party: a party code, its members and the party settings.

Screens from the app. Pick a feature to switch the view.

Made to feel like one app

Find anything. Change how it looks.

The search popup in PhasmaStrap, finding settings, FastFlags and actions for fps.

Search

Ctrl KNew

One box that finds every setting, your FastFlags and the games you have played. Flip a switch right from the results.

More about search
The theme studio in PhasmaStrap with accent, opacity and blur controls and a live preview.

Theme studio

Pick an accent, then set panel opacity, blur and corner radius with a live preview. Themes export as one small file you can share.

More about themes

Changelog

What's new in 2.21.1

Every release, newest first. The same notes show on the News page inside the app.

Read the full changelog

v2.21.1

Latest
The settings window has been redesigned with a side menu and new page layouts
Settings that apply right away no longer save your other unsaved changes with them
Closing the window now warns about any unsaved change
Only two frame rate caps remain: the FastFlags limit and the Roblox settings file cap
15 more changes

Try it on your next game.

Free · Windows 10 and 11 · 22.3 MB

Download for Windows