Diagnose and fix LaTeX compile errors with precision.

Built for Overleaf. Fix compile errors in seconds.

Register to get a free license with 200 fixes/month. Need more? Upgrade your plan to Pro, Max, or Ultra.

What's included

  • LaTeX Error Fix — Analyze compile errors and apply targeted fixes inline.
  • Paragraph Polish — Improve clarity and academic style of selected text. Requires sign-up
  • Sentence Rewrite — Rewrite selected text more concisely while preserving meaning. Requires sign-up
  • Multi-device sync — Use your license on 1 device (Free) or more on paid plans.
  • Usage dashboard — Track your monthly usage and manage devices from your account.

How it works

  1. Register with your email and receive a free license.
  2. Paste the license into the browser extension; when you open Overleaf, it reads compile logs and asks the backend for analysis.
  3. Upgrade from the account page when you need more quota or devices.
  4. Paid plans activate after payment is confirmed.

Choose a plan

All plans include the core error-diagnosis engine.
Free $0

Good for occasional use and students writing their first paper.

  • 200 fixes/month
  • 1 device
  • Polish & Rewrite
  • Community support
Get started
⭐ Pro $9.99/mo

For researchers and PhD students with regular writing output.

  • 1000 fixes/month
  • 2 devices
  • Polish & Rewrite: 100/mo
  • AI-powered Polish & Rewrite
  • Priority email support
  • Overleaf integration
Subscribe — $9.99/mo
💎 Max $19.99/mo

For labs, heavy writers, and multi-machine workflows.

  • 3000 fixes/month
  • 5 devices
  • Polish & Rewrite: 500/mo
  • AI-powered Polish & Rewrite
  • Priority support + SLA
  • Higher monthly quota
  • Batch error export
Subscribe — $19.99/mo
👑 Ultra $49.99/mo

Unlimited usage for power users, departments, and writing centers.

  • Unlimited fixes
  • 10 devices
  • Polish & Rewrite: unlimited
  • AI-powered Polish & Rewrite
  • Dedicated support
  • Highest quota and device limit
  • Higher polish and rewrite limits
Subscribe — $49.99/mo