Tools starting with Q

QR Generator

Generate QR codes instantly for links, text, and data.

qSOFA Score Calculator

Score the three Sepsis-3 qSOFA criteria — respiratory rate, systolic pressure and mentation — for study and revision use.

Quadratic Equation Solver

Solve ax² + bx + c = 0 — real or complex roots, discriminant and vertex.

Quake Near Me

Filter recent earthquakes by distance from you and by magnitude.

Quantization Size Calculator

Compare LLM file sizes across FP16, 8-bit, 6-bit, 5-bit, 4-bit, 3-bit and 2-bit quantization formats.

Quarter and Fiscal Period Converter

Convert any date between calendar and fiscal quarters for any fiscal year start month, with both year-labelling conventions.

Query Parameter Encoder Builder

Build a correctly percent-encoded query string from JSON, choosing how arrays, nested objects, spaces and unicode are serialised.

Query String Parser

Turn a URL query string into a readable list of key/value pairs.

Quit Smoking Tracker

Track your smoke-free time, money saved, and the real health milestones your body unlocks after quitting.

Quiz App

Take a focused multiple-choice quiz with progress tracking, scoring, answer review, and restart controls.

Quotation Cover Letter Builder

Write a covering note for your quotation with priced line items, GST, discount, validity date, payment terms and next steps.

Quotation Generator

Build a quotation or a ranged estimate with materials and labour lines, contingency, tax, validity and a payment schedule.

Quote Generator

Generate, customize, and download beautiful quotes for social media.