OptiPix for Students
Free calculators, text tools, unit converters, and study utilities for students - no signup or payment required.
OptiPix for Students
Students need reliable, free tools that work without accounts, subscriptions, or invasive ads.
Why OptiPix?
Every tool is completely free with no feature gates or usage limits. Works offline after first visit - perfect for studying without internet. No account required means no spam emails.
Key Tools
#### Unit Converter
Convert between metric and imperial, temperature scales, data sizes, and more. Covers physics, chemistry, and everyday conversions.
#### Word Counter
Count words, characters, sentences, and paragraphs. Estimate reading time. Essential for meeting essay length requirements.
#### Percentage Calculator
Calculate percentages, percentage changes, and proportions. Useful for grade calculations, statistics homework, and lab reports.
#### Text Converter & Case Converter
Transform text between formats - UPPERCASE, lowercase, Title Case, and more. Fix accidentally capitalized text instantly.
#### OCR Text Extractor
Extract text from images of textbook pages, whiteboards, or handwritten notes. Digitize study materials quickly.
Study Tips
Try Unit Converter free - your files never leave your device
Built for this exact workflow - 100% private, no uploads.
Open Unit Converter