✦
TOOL
VAULT
CNN · WASM
FFMPEG.WASM
ON-DEVICE
Remove logos
Upscale 2×
1
Upload
2
Detect & review
3
Remove & export
canvas — no input
⊞ Draw box
Reset
✦
Drop an image here
PNG or JPG. The CNN detector and FFmpeg both run in this tab — nothing is uploaded.
Browse files
Try sample image
ORIGINAL
CLEANED
⇄
Loading detector WASM…
SOURCE
No image loaded. Drop one on the canvas, browse, or try the sample.
Replace
DETECTION
Threshold
0.80
Candidates below the threshold are hidden. Re-runs the detector live after a scan.
Prefer edge / corner watermarks
Loading detector…
CANDIDATES
0
Load an image first.
REMOVE & EXPORT
Remove selected regions
removelogo
mask infill via FFmpeg.wasm — first run downloads the core (~31 MB), then it is cached.
Upscale 2× (tiny SR CNN)
Download JPEG
Start over
UPSCALE
Fast: tiny luma CNN. HD: Real-ESRGAN compact (1.2M params, denoises + synthesizes edges, ~30s per megapixel). Both pure WASM, fully on-device.
Model
Fast (tiny CNN)
HD (Real-ESRGAN)
Factor
2×
4×
8×
16×
Detail boost
1.3
1.0 = neutral CNN output; higher amplifies recovered detail and adds sharpening (crisper edges, may exaggerate noise).
Upscale 2×
Download JPEG
Start over