ColorWillow
Good for: Making printable coloring pages: a free library of kids' pages (A4 or US Letter PDFs), a free on-device photo-to-outline converter with no sign-up, and optional AI coloring pages from your own photos
Details
Note: Reader submission via /submit/ (2026-10-18, maker). Pricing page checked Oct 18, 2026: printable library and on-device photo conversion are free with no sign-up; a free account gets 50 one-time AI credits (valid 7 days, 10 credits per standard AI page); Plus and Studio are paid monthly plans.
Prices are from the official pricing page on Oct 15, 2026 and can change; check the pricing page before you buy.
Real test
PassedOne task from the recorded test on this date. A failing task is shown when the record has one.
- Client
- details not recorded for this run Plan we tested: Free plan.
- Date
- Oct 23, 2026
- The task we gave
Download a free printable page as a PDF (guest, no signup)
- What it promised
- details not recorded for this run
- What happened
Tool calls: details not recorded for this run
Note recorded with this task
Retested Oct 23: 'Save as PDF' on the Bat & Moon (easy) page downloaded a 1-page A4 PDF (1,087,414 bytes).Output excerpt: details not recorded for this run
- Verdict
- Passed
Our test
The free workflow works with no signup: printable pages download as PDFs, and the free on-device photo converter turned our photo into a clean coloring-page outline in a few seconds. Developer fixed this after our result, retested on Oct 23, 2026 (on Oct 21 the converter failed because a model file was missing on the site).
Tested on free plan · Oct 23, 2026 · verdict Pass (2/2 tasks passed)
What we tested
- Download a free printable page as a PDF (guest, no signup) PassRetested Oct 23: 'Save as PDF' on the Bat & Moon (easy) page downloaded a 1-page A4 PDF (1,087,414 bytes).
- Turn a photo into a coloring page with the free on-device converter (guest, 400x300 JPG) PassDeveloper fixed this after our result, retested on Oct 23, 2026. On Oct 21 this failed because the model file (fine.onnx) returned a 404. Now it loads, and our 400x300 photo converted on the device in about 4–6 seconds at both 512 and 1024 px. The downloaded PDF was a clean line outline of our picture.
What the free plan limited
The printable library and the on-device photo converter are free with no signup or card. A free account gets 50 one-time AI credits (valid 7 days); we didn't test AI generation because it uses credits.