Free GRE Tools
Practice smarter with free calculators, vocabulary drills, diagnostic tests, and more. Everything runs in your browser — no account required.
GRE Vocab Mountain
Practice 960 high-frequency GRE vocabulary words in 32 groups. Keyboard shortcuts, full definitions, and green/red tagging — free, no login.
Open toolGRE On-Screen Calculator
ETS-style on-screen calculator for GRE Quant. Free in the browser, keyboard supported.
Open toolGRE Score Calculator
Estimate raw-to-scaled GRE scores with percentile ranks and the full scoring grid.
Open toolGRE Questions Missed Calculator
Find the allowable mistake range for your target GRE Quant or Verbal score.
Open toolFree GRE Diagnostic Test
Free 54-question Quant/Verbal diagnostic with scored PDF report and weak-area analysis.
Open toolGRE Test Countdown Timer
Count down to your GRE test date and time in your timezone. Shareable link.
Open toolGRE Essay Timer
30-minute timed AWA practice with live word and character counts.
Open toolAll tools are free and run in your browser — no account required. For the full 8,172-question practice bank with skill tagging and explanations, see GRE prep plans.