--- title: FAQ description: Frequently asked questions about TexPixel slug: faq date: 2026-03-25 tags: [reference] order: 3 --- # Frequently Asked Questions ## General ### Is TexPixel free? Yes! You can use TexPixel for free with up to 3 uploads per day. No sign-up or credit card is required. For unlimited uploads and additional features, check our Pro plan. ### Do I need to create an account? No. You can start using TexPixel immediately as a guest. Creating an account (free) lets you sync history across devices. ### What languages are supported? TexPixel recognizes mathematical formulas regardless of the surrounding language. The user interface is available in English and Chinese. ## Recognition ### How accurate is the recognition? TexPixel achieves 90-98% accuracy depending on image quality and formula complexity. Clean, high-contrast images of typed formulas typically achieve the highest accuracy. ### Can it recognize handwritten formulas? Yes. TexPixel handles both printed and handwritten formulas. For best results with handwriting, use dark ink on white paper and keep characters well-spaced. ### What about complex multi-line equations? TexPixel can recognize multi-line equations, equation arrays, and systems of equations. Each line is captured and formatted correctly in the output. ### Does it support matrices and tables? Yes. Matrices, determinants, and tabular expressions are supported and output as proper LaTeX `\begin{matrix}` or `\begin{pmatrix}` environments. ## Export & Integration ### Can I use the output in Overleaf? Absolutely. Copy the LaTeX output and paste it directly into your Overleaf project. It works immediately. ### How do I use the output in Word? Use the DOCX export option. This creates a Word file with properly formatted equations that you can edit normally in Microsoft Word or Google Docs. ## Privacy & Data ### Are my uploaded images stored? Uploaded images are processed for recognition and temporarily cached. They are automatically deleted after processing. We do not use your images for training. ### Is my data encrypted? Yes. All data is transmitted over HTTPS. Uploaded files and results are handled securely.