OMR Checker
Check OMR answer sheets in seconds with your phone camera or scanner. Automatic marks with negative marking and sets A–D, plus a downloadable result sheet.
1. Answer key
Tip: fill one OMR sheet with the correct answers and use "Scan key sheet". The Question Paper Maker can also export a key CSV.
2. Marking
Blank: 0. Two or more circles filled for one question counts as wrong.
Sheet settings (only needed if a sheet's layout code can't be read)
3. Add filled sheets
For best results: place the sheet on a dark surface, hold the phone straight above it, make sure all 4 black corner squares are in the photo, and avoid shadows.
4. Results
Click a row to review the sheet and correct any answer.
How to check OMR sheets
Type it, import it from the Question Paper Maker, or scan one sheet filled with the correct answers.
Use your phone camera or a scanner. The layout is detected automatically from the sheet.
Marks, correct, wrong and blank counts, roll numbers, and a CSV result file for Excel.
Frequently asked questions
How do I check OMR sheets with my phone?
Print sheets from the LMPure OMR Sheet Generator. Enter the answer key here, then take a photo of each filled sheet (or upload scans). Marks are calculated instantly and you can download the results as an Excel-ready CSV file.
How accurate is it?
Sheets filled with a dark pen and photographed in good light are read reliably. Every sheet can be reviewed, with correct answers in green and wrong ones in red, and you can tap a bubble to correct any answer.
Can it check OMR sheets from other companies?
No. It reads sheets made with the LMPure OMR Sheet Generator. The corner squares and layout code on those sheets let it read photos accurately.
Does it support negative marking?
Yes. Set marks for a correct answer and a deduction for a wrong one (for example +4 / −1, or +1 / −0.25). Separate keys for sets A, B, C and D are also supported.
Are the answer sheets uploaded?
No. Photos are processed inside your browser and never leave your device.