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| Filter | Status | Condition | Details |
|---|---|---|---|
| HTTP status | PASS | download_http_code = 200 | HTTP 200 |
| Age cutoff | PASS | download_stamp > now() - 6 MONTH | 0.1 months ago |
| History drop | PASS | isNull(history_drop_reason) | No drop reason |
| Spam/ban | PASS | fh_dont_index != 1 AND ml_spam_score = 0 | ml_spam_score=0 |
| Canonical | PASS | meta_canonical IS NULL OR = '' OR = src_unparsed | Not set |
| Property | Value |
|---|---|
| URL | https://www.sudoku9x9.com/sudokusolver/ |
| Last Crawled | 2026-04-15 15:42:45 (2 days ago) |
| First Indexed | 2023-12-01 07:05:17 (2 years ago) |
| HTTP Status Code | 200 |
| Meta Title | Sudoku Solver - Solve Your Puzzles Step by Step |
| Meta Description | Online Sudoku solver. Two options: giving a solution for a Sudoku puzzle instantly or bringing up a smart solver to solve the puzzle step by step with explanations. |
| Meta Canonical | null |
| Boilerpipe Text | Online Sudoku Solver
This online Sudoku solver is unique on the web. It not only gives the solution to each valid Sudoku puzzle instantly, but also explains the techniques and logic behind each step and how the digit to be filled in each empty cell is determined. Because of this, it becomes a great tool to learn Sudoku solving techniques through numerous examples.
To use our Sudoku solver, just enter your valid Sudoku puzzle in the blank grid above. If you want a step by step solution with an explanation for each step, press the "Step by Step Solution" button, and it will bring up our smart Sudoku solver to give you the solution with step by step explanations. If you just want a solution for your puzzle, press the "Solution Only" button, and it will give you the solution instantly.
You may also use our Sudoku solver to check whether your Sudoku puzzle is valid or not. If your puzzle is not valid (having no solution or more than one solution), you will get an alert from our Sudoku solver when pressing the "Solution Only" button or the "Step by Step Solution" button. |
| Markdown | [](https://www.sudoku9x9.com/ "Sudoku")
[Free Online Sudoku](https://www.sudoku9x9.com/) [Daily Sudoku](https://www.sudoku9x9.com/dailysudoku/) [Blank Grid](https://www.sudoku9x9.com/blankgrid/) [Sudoku Solver](https://www.sudoku9x9.com/sudokusolver/) [Techniques](https://www.sudoku9x9.com/techniques/)
#### Sudoku Solver - Solve Your Sudoku Puzzles
(Digit First: Select a digit from the digit panel first)
1
2
3
4
5
6
7
8
9
X
Solution Only
Select
Digit
First
Solver options: "Solution Only" gives you the solution instantly. "Step by Step Solution" brings up our smart solver to solve the puzzle step by step with explanations.
[How to use this grid?](https://www.sudoku9x9.com/manual/)
[Play a random puzzle](https://www.sudoku9x9.com/)
### Online Sudoku Solver
This online Sudoku solver is unique on the web. It not only gives the solution to each valid Sudoku puzzle instantly, but also explains the techniques and logic behind each step and how the digit to be filled in each empty cell is determined. Because of this, it becomes a great tool to learn Sudoku solving techniques through numerous examples.
To use our Sudoku solver, just enter your valid Sudoku puzzle in the blank grid above. If you want a step by step solution with an explanation for each step, press the "Step by Step Solution" button, and it will bring up our smart Sudoku solver to give you the solution with step by step explanations. If you just want a solution for your puzzle, press the "Solution Only" button, and it will give you the solution instantly.
You may also use our Sudoku solver to check whether your Sudoku puzzle is valid or not. If your puzzle is not valid (having no solution or more than one solution), you will get an alert from our Sudoku solver when pressing the "Solution Only" button or the "Step by Step Solution" button.
[Home](https://www.sudoku9x9.com/ "Home Page") [Sudoku](https://www.sudoku9x9.com/sudoku/ "Sudoku") [Privacy](https://www.sudoku9x9.com/privacy/ "Privacy Policy") [About](https://www.sudoku9x9.com/about/ "About Sudoku9x9.com")
©2026 sudoku9x9.com - All Right Reserved. |
| Readable Markdown | ### Online Sudoku Solver
This online Sudoku solver is unique on the web. It not only gives the solution to each valid Sudoku puzzle instantly, but also explains the techniques and logic behind each step and how the digit to be filled in each empty cell is determined. Because of this, it becomes a great tool to learn Sudoku solving techniques through numerous examples.
To use our Sudoku solver, just enter your valid Sudoku puzzle in the blank grid above. If you want a step by step solution with an explanation for each step, press the "Step by Step Solution" button, and it will bring up our smart Sudoku solver to give you the solution with step by step explanations. If you just want a solution for your puzzle, press the "Solution Only" button, and it will give you the solution instantly.
You may also use our Sudoku solver to check whether your Sudoku puzzle is valid or not. If your puzzle is not valid (having no solution or more than one solution), you will get an alert from our Sudoku solver when pressing the "Solution Only" button or the "Step by Step Solution" button. |
| Shard | 41 (laksa) |
| Root Hash | 1294355265840137241 |
| Unparsed URL | com,sudoku9x9!www,/sudokusolver/ s443 |