Handwritten math — straight to LaTeX
Sketched a derivation on paper or a tablet — get a LaTeX draft: inline and display math, fractions, Greek letters. For grad students, faculty, and anyone who hates typing equations from scratch.
File deleted within an hour · No card — 40 recognitions/month after sign-up · Pay by card from your account
Sound familiar?
- The idea is on paper; Overleaf is still an hour away.
- A figure from someone else’s paper is painful to retype in TeX.
- You need a draft, not perfect layout on the first pass.
Documents we handle
| You upload | You get |
|---|---|
| Page with formulas | LaTeX code (draft quality) |
| Mix of prose and math | Paragraphs plus $...$ and \[...\] |
Draft output: check complex multi-line derivations. Unreadable fragments become % [?] comments.
How to connect
Widget on your site
Create a widget in your account, copy the iframe — visitors upload photos on your page.
<iframe src="https://toolsy.tools/embed/YOUR_ID" style="width:100%;height:480px;border:0" loading="lazy" ></iframe>WordPress, Webflow, Shopify →
API from your app
One POST — file plus recognition type. Response is JSON with text.
curl -X POST https://toolsy.tools/api/v1/ocr \ -H "Authorization: Bearer KEY" \ -F "tool=handwriting-to-latex" \ -F "file=@doc.jpg"PHP, Python, Node, and more →
Try the tools
Time saved
| Scenario | Docs / month | Plan | Manual entry | Per document |
|---|---|---|---|---|
| Personal drafts | up to 500 | API Starter$19/mo | — | $0.04 |
| Department / lab | up to 3,000 | API Growth$49/mo | — | $0.02 |
| Steady paper flow | up to 15,000 | API Scale$119/mo | — | $0.01 |
API plans
Same plans for every scenario. One quota for API calls and embed widgets on your site.
- · Free tier or Starter is enough for occasional use
- · One shared API key works well for a lab
Common questions
Works with Overleaf?
Copy the text field from the API into your project. You add packages yourself.
Do I need to review the output?
Yes. Toolsy speeds up typing, not judgment — especially names, numbers, and totals.
What if the photo is crooked or glarey?
Lighting and framing matter more than anything. Retake in even light, full page in frame, no finger on the text. Unreadable bits are marked [?].
Can I try without a card?
Yes. After sign-up you get an API key with 40 recognitions per month. For steady volume, pick a plan in your account.
Ready to try on your documents?
Start with one file in the tool — no card. For your site or app, set up the API in your account: instant key, 40 free recognitions/month after sign-up.