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SimsModly

Fan-made mods & tools for The Sims.

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Free Sims 4 Tools & Web Apps

Open, inspect, and edit Sims 4 files with free browser-based tools. No download is required, and your files stay on your device.

Runs in your browserNo download requiredYour files stay on your device

Choose a tool

Launch the utility you need for packages, translations, Tray files, CAS content, or Build/Buy objects.

Sims 4 Online Package Editor

Edit Sims 4 .package files, XML tuning, and DDS textures with our web-based tool. No download required—inspect hex data directly in your browser.

Launch Tool

Sims 4 Online STBL Editor

Translate and edit Sims 4 STBL (String Table) files online. Easily modify text entries, fix hash keys, and generate custom language packages instantly.

Launch Tool

Sims 4 Online Tray Importer

Organize Sims 4 Tray files online. Identify missing custom content, manage household data, and preview lot blueprints straight from your browser.

Launch Tool

Sims 4 Online Studio CAS Viewer

Preview Sims 4 Create-A-Sim (CAS) items in your browser. Inspect custom hairs, clothes, and .simgeom meshes in full 3D without launching the game.

Launch Tool

Sims 4 Online Studio Build Buy Viewer

View and inspect Sims 4 build/buy mode objects online. Examine custom furniture meshes, footprint data, and textures instantly in a web environment.

Launch Tool