AI Auto-Annotation
A local vision-language model (Qwen3.5-VL via llama-server, started automatically) pre-annotates the current image or a whole folder.
v1.2 · Free trial · Windows
A fast, offline-first annotation tool for Windows — draw boxes and polygons in seconds, let a local vision-language model pre-annotate whole folders, and review every AI draft before it counts.
Draw, let AI draft, review and export — one lightweight app, your data never leaves the machine.
A local vision-language model (Qwen3.5-VL via llama-server, started automatically) pre-annotates the current image or a whole folder.
Every AI box lands as a pending draft. Confirm with Enter, reject with Esc — nothing silently overwrites your work.
Re-running AI on an annotated image? Results that duplicate your existing boxes (same class, IoU > 0.7) are dropped automatically.
Rectangle and polygon tools on a smooth, zoomable canvas with per-class colors.
Per-class colors and live counts, a default class for new boxes, double-click to re-label instantly.
One click finds out-of-bounds, tiny, duplicate and unknown-class boxes before they reach your training set.
Pascal VOC XML and YOLO txt sidecar files, switchable per project — stored right next to your images.
Thumbnail browser with all / unlabeled / pending / done filters and per-image progress badges.
W to draw a box, A/D to walk pending drafts, Enter/Esc to judge, ←/→ to flip images — no menu diving.
Inference runs on your machine — images never leave it. No ads, no telemetry, no cloud account.
FlyLabelImg comes with a 30-day free trial with all features. Buy a license when you’re ready — one payment, updates included for the license term.
$39
one-time · 1 year of updates
$99
one-time · 5 years of updates
Secure checkout handled by Creem. After payment your license file is emailed to you — activate it in FlyLabelImg via Help → License Management.
Every message is read by a human. Found a bug or have an idea? Tell us!