gtax.dev: GTA V and FiveM Modding Tools Online

gtax.dev is a browser-based toolkit for GTA V, FiveM, and RDR2 modding. Preview and convert game files, build clothing, peds, and props, paint vehicle liveries, author animations, and package everything into ready-to-use dlc.rpf or FiveM outputs. No install, free to start, everything runs right in your browser.

Under the hood: a C++ core compiled to WebAssembly, Go services, and a Next.js web app.

What you can do

• Open, browse, and extract RPF archives, or build new ones from DLC templates
• Decode GTA V formats (YDR, YDD, YTD, YFT, YTYP, YMAP, YCD, YMT, YPT) into editable XML
• Preview models, textures, maps, interiors, particle effects, fragments, and animations in 3D
• Browse base-game vehicles, props, peds, clothing, animations, and collisions
• Convert GLB models into game-ready props, clothing, and peds for FiveM
• Turn text or a photo into a prop or an addon ped, and make inventory icons and voice clips
• Edit clothing textures, create tattoos, chains, and nails, and package freemode clothes into dlc.rpf
• Edit vehicles, paint liveries with manual or AI tools, and tune sirens, lights, handling, and parts
• Author ped, prop, and vehicle animations by keyframing
• Edit prop and map collisions, interiors, weapons, and particle effects
• Optimize textures, generate LODs, and tune fragments, one file or in bulk
• Convert assets between Legacy and Enhanced (gen9) formats
• Open RDR2 metadata and drawable files in the browser

Tools

Preview GTA V files online

Tool	URL	Description
Format Preview Hub	gtax.dev/preview	Drop any GTA V file and jump to the right preview tool.
YDR Preview	gtax.dev/preview/ydr	Decode .ydr files to XML and preview them in 3D.
YDD Preview	gtax.dev/preview/ydd	Inspect drawable dictionaries and preview contained drawables.
YFT Preview	gtax.dev/preview/yft	Preview fragment files in 3D and inspect UV layout details.
YTD Preview	gtax.dev/preview/ytd	Decode texture dictionaries and extract DDS textures.
YTYP Preview	gtax.dev/preview/ytyp	Decode encrypted .ytyp files into XML.
YMAP Preview	gtax.dev/preview/ymap	Inspect map data such as entities and car generators.
YCD Preview	gtax.dev/preview/ycd	Decode animation clip dictionaries into XML.
YMT Preview	gtax.dev/preview/ymt	Inspect ped variation metadata in XML form.
YPT Preview	gtax.dev/preview/ypt	Open particle effect dictionaries and inspect effects, emitters, and textures.
Interior Preview	gtax.dev/preview/mlo	Open complete FiveM MLO resources in a 3D viewer.
Animation Preview	gtax.dev/preview/anim	Play decoded animations on a ped model in the browser.

Browse the base game

Tool	URL	Description
Vehicle Browser	gtax.dev/browser/vehicles	Browse GTA V vehicles and preview their models in 3D.
Prop Browser	gtax.dev/browser/props	Find base-game props by name or category and preview them in 3D.
Ped Browser	gtax.dev/browser/peds	Browse GTA V peds and preview them in 3D.
Clothing Browser	gtax.dev/browser/clothes	Browse base-game clothing and preview each piece.
Animation Browser	gtax.dev/browser/animations	Browse animation packs and play clips on a ped.
Collision Browser	gtax.dev/browser/collisions	Browse base-game collision files.
DLC Packs	gtax.dev/browser/dlcpacks	Explore GTA Online updates with release dates and their vehicles and clothing.

RDR2 tools

Tool	URL	Description
RDR2 YMT Preview	gtax.dev/preview/rdr2/ymt	Open Red Dead Redemption 2 .ymt metadata files in the browser.
RDR2 Drawable Preview	gtax.dev/preview/rdr2/drawable	Preview RDR2 YDR, YDD, and YTD files in 3D.

Create with AI

Tool	URL	Description
Text to Prop	gtax.dev/tools/text-to-prop	Generate a 3D prop from text, then download a GLB or convert it for GTA V and FiveM.
Create Prop	gtax.dev/tools/image-to-prop	Generate a 3D prop from up to four reference views.
Image to Ped	gtax.dev/tools/image-to-ped	Turn a photo of a character into a rigged GTA V addon ped for FiveM.
Headshot to Ped	gtax.dev/tools/headshot-to-ped	Turn one headshot into a 3D head on a catalog ped and download a FiveM addon ped.
Inventory Icons	gtax.dev/tools/inventory-icons	Generate transparent inventory icons from a prompt or image.

Converters and builders

Tool	URL	Description
GLB to YDR	gtax.dev/tools/glb-to-ydr	Convert GLB or glTF models into game-ready YDR, YTYP, and YTD outputs.
GLB to Clothing	gtax.dev/tools/glb-to-ydd	Turn a GLB top, trousers, shoes, mask, hat, or glasses into freemode clothing.
GLB to Ped	gtax.dev/tools/glb-to-ped	Convert a GLB model into a GTA V ped for FiveM.
YDD to Addon Ped	gtax.dev/tools/ydd-to-ped	Turn a rigged ped .ydd into an addon ped for FiveM or singleplayer.
Prop to YTYP	gtax.dev/tools/prop-to-ytyp	Generate archetype definitions from drawable assets.
FiveM to dlc.rpf	gtax.dev/fivem/fivem-resource-to-dlc-rpf	Convert a FiveM vehicle, ped, or prop resource into an addon dlc.rpf.
dlc.rpf to FiveM	gtax.dev/fivem/dlc-to-fivem-resource	Convert a dlc.rpf into a FiveM resource, including clothing packs.
Legacy to Enhanced	gtax.dev/tools/legacy-to-enhanced	Batch-convert assets between Legacy and Enhanced gen9 formats.

Clothing and ped tools

Tool	URL	Description
Customize Cloth	gtax.dev/tools/customize-cloth	Edit and preview clothing textures, then export the final files.
Build Clothes	gtax.dev/tools/build-clothes	Package a freemode cloth component into a ready-to-use dlc.rpf.
Cloth Physics (beta)	gtax.dev/tools/cloth-physics	Add experimental physics to a freemode garment.
Chain Maker	gtax.dev/tools/chain-maker	Design a chain with your name, logo, or a pendant and download it as a clothing resource.
Ped Tattoo Creator	gtax.dev/tools/ped-tattoo	Place imported or AI-generated tattoo art on freemode peds and export packages.
Ped Attachments Editor	gtax.dev/tools/ped-attachments-editor	Attach and position props on freemode ped bones, then export the package.
YMT Creator	gtax.dev/tools/ymt-creator	Assemble clothing metadata from multiple drawable dictionaries.

Vehicle tools

Tool	URL	Description
Vehicle Editor	gtax.dev/tools/vehicle/editor	Add parts, emergency lights, and standard lights in one 3D workspace, then export a FiveM resource or single-player DLC.
Create Vehicle Livery	gtax.dev/tools/vehicle/livery	Paint vehicle liveries with manual or AI tools, preview in 3D, and export PNG, YTD, or dlc.rpf.
YFT Livery Creator (beta)	gtax.dev/tools/vehicle/yft-livery	Turn DDS textures into tuning-livery fragment files and export FiveM or single-player packages.
Vehicle UV Mapper	gtax.dev/tools/vehicle/uv-mapper	Lay out a vehicle's UV map for livery painting.
Vehicle Pack Validator	gtax.dev/tools/vehicle/validator	Check vehicle metadata links, stream assets, kits, sirens, and liveries.
Vehicle Lights	gtax.dev/tools/vehicle/lights	Diagnose and edit non-siren light metadata, verify per-vertex lamp IDs, and export checked YFT ID remaps.
Vehicle Sirens	gtax.dev/tools/vehicle/sirens	Edit siren settings, emitters, and bone placements with live preview.
Siren ID Check	gtax.dev/tools/vehicle/sirens/ids	Find siren ID conflicts between vehicle packs.
Vehicle Animation	gtax.dev/tools/vehicle/animation	Keyframe roof, door, and hood bones into a vehicle YCD animation.
Vehicle Tuning	gtax.dev/tools/vehicle/tune	Place a rigid YFT tuning part on a vehicle with a 3D gizmo, then export a FiveM resource or dlc.rpf.
Handling Editor	gtax.dev/tools/vehicle/handling	Tune handling.meta values with sliders and presets, then export a patched file or FiveM resource.

Props, weapons, and world

Tool	URL	Description
Prop Collisions Editor	gtax.dev/tools/prop-collisions-editor	Edit box, sphere, cylinder, and mesh collisions on YDR props and export a working prop.
YBN Collision Editor (beta)	gtax.dev/tools/ybn-editor	Open and edit world collision in 3D, adjust bounds and materials, and download the result.
Collision Studio (beta)	gtax.dev/tools/collision-studio	Build pool water and custom collision meshes from a YDR.
YDR Model Editor (beta)	gtax.dev/tools/ydr-editor	Edit YDR geometry, materials, textures, LODs, and collision.
Shell Creator (beta)	gtax.dev/tools/shell-creator	Build walkable interior shells from modular pieces, add sounds, and export.
Interior Minimap	gtax.dev/tools/mlo-minimap	Make the minimap players see inside your FiveM interior, with a map for every floor.
Vinewood Sign	gtax.dev/tools/vinewood	Put your own name on the Vinewood sign and download it as a FiveM resource.
Scene Composer	gtax.dev/tools/sandbox	Compose prop scenes and grab coordinates and offsets for scripts.
Weapons (beta)	gtax.dev/tools/weapons	Turn a GLB model into an addon weapon resource with auto-fit and generated files.
Particle FX (beta)	gtax.dev/tools/particlefx	Design particle effects in a live 3D preview and export a YPT resource.

Animation

Tool	URL	Description
Create Ped Animation	gtax.dev/tools/create-ped-anim	Author ped clips with keyframes and live rig preview.
Anim Clip Builder	gtax.dev/tools/anim-clip-builder	Rename, move, delete, and re-export YCD animation clips.
YDR Animation Maker	gtax.dev/tools/prop-animation	Keyframe skeleton bones on a YDR prop, preview in 3D, and export a YCD or prop package.

Audio tools

Tool	URL	Description
Audio Listener	gtax.dev/tools/audio/listen	Inspect and play AWC audio content in the browser.
Audio Writer	gtax.dev/tools/audio/write	Turn MP3 files into script sound effects and export a ready dlc.rpf.
Audio Doors	gtax.dev/tools/audio/doors	Configure dat151 door audio settings and export .dat151.rel.xml.

Optimization

Tool	URL	Description
Asset Optimizer	gtax.dev/optimization	Resize and reformat textures, rebuild mipmaps, generate missing LODs, and tune ped, vehicle, and prop files. Works on one file or many at once.

RPF archives

Tool	URL	Description
RPF Reader	gtax.dev/rpf/read	Browse archive contents, inspect files, and extract entries.
RPF Writer	gtax.dev/rpf/write	Build archives from files and start from DLC templates.

API and CLI

Get a free API key at gtax.dev/api-keys. Each command-line tool below runs on a hosted gtax.dev API and is open source.

Tool	What it does
v-drawable-to-glb	Convert GTA V drawables (YDR, YDD, vehicle YFT) to GLB.
gtav-glb-to-ydr	Convert a GLB into a game-ready drawable package, or inspect and preview a GLB.
gtav-cloth-pack-cli	Batch-build clothing dlc.rpf packs from a folder of textures.
gtav-ymt-creator	Build clothing metadata (.ymt) from drawable dictionaries.
gtav-mp3-to-awc-convert	Turn MP3 files into a FiveM resource or a singleplayer dlc.rpf with sounds.
v-anim-clip-to-video-cli	Render a .ycd animation clip to a GIF or WebM, or list its clips.
gtav-tattoo-editor	Open-source example of the tattoo API.

The same key also lets you connect an AI assistant to gtax.dev tools. Setup steps are on the API keys page.

Links

• Website: https://gtax.dev
• All tools: https://gtax.dev/tools
• Changelog: https://gtax.dev/changelog
• Discord: Join the community
• Contact: support@gtax.dev