Birdsuite Solve

Press a cell, drag to a number, release – play with mouse, touch or even a hand gesture in front of your camera.

A quick sudoku in between, a few printed puzzles for the train ride, the family or the classroom: that shouldn't require an ad-ridden app or an account – a browser tab is enough.

Solve generates every puzzle fresh with a guaranteed unique solution, in four difficulty levels from easy to expert. You play through a number wheel: press a cell, drag to a number, release – with mouse, touch, or entirely touch-free via hand gesture in front of your camera.

Everything happens locally in your browser: generating, playing, checking, and the PDF booklet with its solutions section. With hand control, the camera image is analysed locally only – nothing is recorded or uploaded.

What Birdsuite Solve can do

Always a fresh puzzle
Every sudoku is generated on the spot and has exactly one solution, guaranteed – in four difficulty levels.
Play by hand gesture
Pointing steers the cursor, tapping thumb and index together selects – sudoku without ever touching the mouse.
Print puzzle booklets
6, 12 or 24 sudokus as an A4 PDF, four per page, with solutions at the back – perfect for the road.
Fully local – no upload
Generating, playing and PDF export run in your browser. No ads, no account, no upload.

Who is it for?

For everyone who enjoys a puzzle in between – and for parents, teachers and carers who need fresh printable puzzle booklets fast.

Frequently asked questions

Does every puzzle really have just one solution?
Yes. During generation a solver verifies after every step that exactly one solution exists – the defining property of a proper sudoku.
How does hand control work?
Once enabled, your browser analyses the camera image locally: your hand steers a cursor, tapping thumb and index together selects cells and numbers. The image never leaves your device.
What's in the PDF booklet?
6, 12 or 24 freshly generated sudokus in A4 format, four per page, mixed or in a single difficulty – with a complete solutions section at the back.
What does Birdsuite Solve cost?
Nothing – Solve is completely free and works without an account.

Solve your first sudoku

Free and without sign-up – right in your browser.