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Unique Sudoku worksheets

Seeded9×9; unique solution verified during removal. Requested givens may be exceeded. Givens24–80 · 9×9

  • Runs in your browser
  • No upload
  • Check before download

Unique Sudoku worksheets

All content stays in this browser. No uploads or automatic storage.

100 rows;20,000 text characters;8MiB output;40 A4 pages;20s worker deadline. Print at100%, check margins. A–Z word puzzles; unsupported font glyphs reject. Same-day time slots. Solver budget200,000 visits; exhausted proofs are unknown. Seeds are deterministic, not cryptographic. Typing starts with the first input, includes idle time and rejects paste.

How to use · Profile

Seeded9×9; unique solution verified during removal. Requested givens may be exceeded. Givens24–80 · 9×9

Liberation Sans (SIL OFL 1.1); nur eigener Text. Der Druck bestätigt weder Barrierefreiheit noch Lernqualität. Print has no complex shaping: RTL scripts, directional controls and decomposed combining marks are rejected; interactive cards, quizzes, typing practice and backups keep Unicode intact.

Liberation · SIL OFL1.1

Synthetic sample: Seeded9×9; unique solution verified during removal. Requested givens may be exceeded. Givens24–80 · 9×9. Generate → Preview → Download PDF/Download SVG. Export backup → Import backup.

How to use

  1. Synthetic sample

    Seeded9×9; unique solution verified during removal. Requested givens may be exceeded. Givens24–80 · 9×9

  2. Generate

    Preview · 100 rows;20,000 text characters;8MiB output;40 A4 pages;20s worker deadline. Print at100%, check margins. A–Z word puzzles; unsupported font glyphs reject. Same-day time slots. Solver budget200,000 visits; exhausted proofs are unknown. Seeds are deterministic, not cryptographic. Typing starts with the first input, includes idle time and rejects paste.

  3. Export backup

    All content stays in this browser. No uploads or automatic storage. Liberation Sans (SIL OFL 1.1); nur eigener Text. Der Druck bestätigt weder Barrierefreiheit noch Lernqualität. Print has no complex shaping: RTL scripts, directional controls and decomposed combining marks are rejected; interactive cards, quizzes, typing practice and backups keep Unicode intact.

Profile

Local processing

All content stays in this browser. No uploads or automatic storage.

Profile

Seeded9×9; unique solution verified during removal. Requested givens may be exceeded. Givens24–80 · 9×9 100 rows;20,000 text characters;8MiB output;40 A4 pages;20s worker deadline. Print at100%, check margins. A–Z word puzzles; unsupported font glyphs reject. Same-day time slots. Solver budget200,000 visits; exhausted proofs are unknown. Seeds are deterministic, not cryptographic. Typing starts with the first input, includes idle time and rejects paste.

What should I check before printing?

Compare every exported PDF or SVG page and any answer pages with the preview before printing. Liberation Sans (SIL OFL 1.1); nur eigener Text. Der Druck bestätigt weder Barrierefreiheit noch Lernqualität. Print has no complex shaping: RTL scripts, directional controls and decomposed combining marks are rejected; interactive cards, quizzes, typing practice and backups keep Unicode intact.

Local PDF sheets use @libpdf/core0.5.1 (MIT) and Liberation Sans. Copyright notice and original license · Original Liberation font license (SIL OFL1.1)