Verdin, Isaías Reis

Animation Polish Tool

Refine AI Animations Like a Pro

Fix foot sliding, add natural curves, visualize motion arcs. Polish animations from Motion Diffusion, Mixamo, or any AI tool. Export production-ready BVH/FBX.

Try Free - No Export See Polishing Demo

Fix AI artifacts

Browser-based

60 FPS real-time

100+Animations
Refined

Polish AI-Generated Animations

Common AI motion issues solved in seconds. From Motion Diffusion output to production-ready asset.

Fix Foot Sliding

Most Used

AI animations often have sliding feet. Lock them to ground with visual feedback.

Smooth Motion Curves

Replace robotic AI motion with natural bezier curves. 7 easing presets included.

Visualize Timing Issues

Onion skinning shows motion arcs. Spot jitter and unnatural movement instantly.

Quick Polish Tools

Root fix, align feet, straighten spine. Common AI artifacts fixed in seconds.

IK Fine-Tuning

Adjust limb positions with inverse kinematics. Fix hand placement, foot angles.

Export to Any Engine

BVH (Second Life), FBX (Unity/UE5), GLB (Roblox). Ready for production.

Auto-Rig — New in v1.5 · Browser-Based

Drop a mesh. It rigs itself.

Drag in any humanoid .glb, .gltf or .fbx and Auto-Rig detects the joints itself, fits a clean skeleton, and binds skin weights with no bleed — then drops the avatar straight into the engine, ready to animate. You never place a bone. No upload. No GPU server. 100% in your browser.

It finds the skeleton itself

You never place a bone

Mixamo and AccuRIG make you click every joint — chin, wrists, knees, elbows. Auto-Rig detects them from the mesh, fits a clean canonical skeleton, and gets you to rigged without a single manual marker.

✓ Auto-detects joints from the geometry — no joint-placement wizard
✓ Clean canonical skeleton, IK-ready out of the box
✓ Gizmo-free “Depth Rail” markers if you ever want to nudge — surface-magnet, not floating handles

See every bone’s grip — tune it live

Weight painting without the paint

Auto-Rig binds skin weights with no bleed at the joints, then shows you exactly how each bone grips the mesh as a weight-color heat map. Drag any joint’s Reach slider and the skin re-solves live — no export, no round-trip.

✓ Live Influence Map — weight-color heat per bone
✓ Per-bone Reach sliders, re-solving in real time
✓ Clean weights at elbows, knees and shoulders — no joint bleed

Real fingers, measured from your mesh

Not a guessed hand

Optional fingers are measured from the actual geometry — a slice-march reads the real finger curves on your mesh, not a generic template. Add a thumb-roll dial and left/right symmetry and the hands come out posable.

✓ Finger curves measured from the mesh, not assumed
✓ Thumb-roll dial for a natural opposed thumb
✓ Left/right symmetry — rig one hand, get both

It lands ready to animate

Rigging is step one, not a dead end

Watch it move on your own mesh first — then hit Done and the avatar drops straight into the engine, fully riggable: hand and foot IK that move and rotate, a REC timeline, and a clear path to retarget, emote, polish and export anywhere.

✓ “Watch it move” preview on your own mesh before you commit
✓ Hand/foot IK (move + rotate) and a REC timeline on arrival
✓ Feeds straight into Retarget → Bento Alive → Polish → Export

Auto-Rig is an original Thirdrez technology — the auto-detect that rigs your mesh without a single hand-placed bone, running entirely in your browser. Your mesh never leaves your machine, and there's no GPU server in the loop.

Documentation v1.5 release notes

Rig Your Mesh — Free

Beta · best with a T-pose · A-pose & more formats coming

Drop a GLB, GLTF or FBX. Nothing uploads. You never place a bone.

Universal Retarget Engine — Online & Free

One animation, every platform

Drop any .fbx, .bvh, or .glb — Kinetiq auto-detects the source skeleton and bakes the motion onto the destination of your choice. 9+ destinations live end-to-end: UE5, Unity, Second Life Bento, Roblox, CC4, Rokoko, VRM, Ready Player Me. No Blender. No plugins. No uploads.

UE

Unreal Engine 5

U

Unity Humanoid

M

Mixamo

SL

Second Life Bento

DAZ

Daz 3D

RBLX

Roblox R15

CC

Reallusion CC4

R

Rokoko

UE

Unreal Engine 5

U

Unity Humanoid

M

Mixamo

SL

Second Life Bento

DAZ

Daz 3D

RBLX

Roblox R15

CC

Reallusion CC4

R

Rokoko

MV

Move AI

VR

VRM Ecosystem

RPM

Ready Player Me

D

Daz Genesis 8/9

C

Cascadeur

{ }

Custom Skeletons

U4

UE4 Female

MV

Move AI

VR

VRM Ecosystem

RPM

Ready Player Me

D

Daz Genesis 8/9

C

Cascadeur

{ }

Custom Skeletons

U4

UE4 Female

01

Drop Source

Drag any .fbx, .bvh, or .glb. The AI auto-detects 15+ source naming conventions instantly.

02

Pick Target

Choose any of the 9 live destinations. Three real-time 3D previews while you decide.

03

Apply & Export

Direction-based T-stance correction lands the pose perfectly. Export to .glb, .bvh, or .anim.

Open Retarget Studio — Free

Built-in Avatar Library

9 platforms, one click

No marketplace tab to hunt through. No FBX downloads to chase. Open File ▸ Add Avatar and pick a platform — the avatar lands in the editor with auto-rig and 4 IK chains ready to animate.

SL

Second Life

Classic + Bento

M

Mixamo

Y_Bot Base

UE

Unreal Engine 5

Manny & Quinn

DAZ

Daz 3D

Genesis 8 & 9

CC

Reallusion CC4

Camila Core

RB

Roblox

R15 & R6 Rigs

VR

VRM

Anime & Robot

RP

Ready Player Me

Fem & Masc

MV

Move AI

Mocap Ready

Auto-rig on load

Curated avatars get RigContext, 4 IK chains, and control-point proxies instantly. No setup required.

Alpha-sorted by default

Hair, skirts, and thin geometry render correctly under camera rotation with tuned depth-write.

Path-fixed orientation

Kinetiq auto-rotates known-bad paths so every avatar lands camera-forward automatically.

Browse Avatar Library

Professional Tools, Browser-Based

Everything you need to refine AI animations - no installation required

Onion Skinning

Press Ctrl+G

Visualize motion arcs with ghost frames. Cyan shows past poses, magenta shows future. Adjust count (1-5 frames) with right-click.

✓ Auto-disables during playback for 60 FPS
✓ LOD optimization (skips meshes >10k vertices)
✓ Perfect for detecting jitter and timing issues

Foot Locking

Visual feedback

Prevent foot sliding artifacts - the #1 issue with AI-generated animations. Lock feet to ground contact points with visual indicators.

🟢 Green circles: Can be locked (select + activate)
🔴 Red circles: Locked (no sliding!)
✓ Works with ankle, foot, toe bones

IK Rigging

Inverse Kinematics

Drag hands or feet - entire limbs follow automatically. Professional inverse kinematics with pole targets for natural bending.

✓ CCD solver - real-time at 60 FPS
✓ Multi-chain support (arms, legs, spine)
✓ Pole targets for knee/elbow control

Bezier Curves

Smooth easing

Replace robotic AI motion with natural curves. 7 presets: Linear, Ease In/Out, Bounce, Elastic, and more.

✓ Current frame display in modal header
✓ Professional easing presets
✓ Smooth keyframe transitions

Video tutorials coming to our YouTube channel in 2026

New · Launched June 12, 2026

Bento Alive™ — faces, finally alive

For decades, most Second Life faces stayed frozen — expressions locked behind pre-made HUD packs. Bento Alive™ is the Face Expressions Studio inside Kinetiq Engine: pose a face on a live 3D head, build animated expression sequences, and export a standard Bento .anim that plays on any modern mesh head. No Blender. No plugins. No 3D experience.

Live 3D preview

See it before you upload it

A reference mesh head with working eyes, teeth and tongue reacts in real time as you build. What you see in the studio is what plays in-world.

✓ Calibrated on real Second Life rigs, bone by bone
✓ Female & male preview heads — expressions carry over
✓ Drag to orbit, scroll to zoom into micro-expressions

Mix & fine-tune

Presets in, your face out

Pick a vibe, tap presets, stack them into one expression — then adjust each ingredient's weight and sculpt details with 60+ sliders.

✓ Brows, eyes, gaze, jaw, mouth, tongue, teeth — even ears
✓ Strength dial scales the whole face (past 100% exaggerates)
✓ Surprise me 🎲 mixes a face nobody else has

Expression sequences

Face 1 → face 2 → face 3, looping

Chain faces into a mini-show with Hold & Blend timing. One .anim, seamless loop, with a live meter that runs the real exporter against Second Life's upload limits.

✓ Exact byte meter — green means it fits (240 KB / 59 s)
✓ Drag to reorder steps, preview the loop live
✓ Last face blends back into the first — forever

Yours forever

Save it, share it, sell it

Save faces and full sequences to your ⭐ Mine library, keep portable .trz copies on your computer, and gift them to friends. The .anim files you export are yours to sell.

✓ Nothing uploads to us — your faces stay on your machine
✓ .trz expression files open on any friend's Bento Alive
✓ Build face packs for your SL store or the Marketplace

Bento Alive™ is an original technology developed by Thirdrez over nine months of research — driver networks measured bone-by-bone on real Second Life rigs and validated in-world by residents. In Second Life, it's represented by Green Tech, led by developer Green Cloud.