Scan & solve any question in seconds
Snap a photo of any maths, physics, chemistry or biology problem — handwritten or printed — and get an instant, step-by-step solution. For CBSE, ICSE, JEE & NEET students in Class 6–12.
No credit card · works in your browser · handwriting supported
How the photo doubt solver works
From a snapshot to a worked solution in three steps.
Snap the question
Take a photo of any question — handwritten in your notebook or printed in a textbook. Upload from your gallery too.
AI reads & understands
Synapse's AI reads the text and the maths, figures out exactly what's being asked, and identifies the concept involved.
Get a step-by-step solution
Receive a clear, step-by-step explanation with the formula, working and final answer — plus follow-up help if you're still stuck.
Works across every subject & exam
Why students love it
Reads handwriting
Works on messy handwritten questions, not just printed text.
Every subject
Maths, Physics, Chemistry, Biology and more across Class 6–12.
Real working, not just answers
See each step so you actually learn the method.
Ask follow-ups
Didn't get a step? Ask the AI tutor to explain it differently.
Exam-aligned
Solutions follow the CBSE, ICSE, JEE & NEET approach.
Step-by-step
Every solution broken down so you actually learn the method.
“The photo doubt solver saved me during late-night study sessions. I click a picture of the problem from my textbook and get step-by-step solutions.”
— Synapse student, Class 12
Photo doubt solver — FAQs
Is the photo doubt solver free?
Synapse is a paid subscription that includes the photo doubt solver alongside AI notes, practice and 24×7 doubt-solving. Guests can browse content and take tests without an account.
Can it read handwritten questions?
Yes. The AI is built to read both handwritten questions from your notebook and printed questions from textbooks, then solve them step by step.
Which subjects and exams does it support?
It works across Maths, Physics, Chemistry and Biology for Class 6–12, aligned to CBSE, ICSE, JEE Main, JEE Advanced and NEET.
Does it show step-by-step solutions or just the answer?
It shows the full working — the relevant formula, each step of the solution and the final answer — so you understand the method, not just the result.
How do I upload a photo?
Open the doubt solver, tap to take a photo or upload one from your gallery, and the AI does the rest. It works right in your browser on mobile and desktop.