# QuickToolz

> QuickToolz is a free, fast, mobile-first toolkit. Tools run in your browser, no signup required.

Site: https://www.quicktoolz.com

## Categories
- [Calculators](https://www.quicktoolz.com/calculators): Fast, accurate calculators for everyday math — age, percentage, BMI, loans, and more.
- [Text Tools](https://www.quicktoolz.com/text): Word counter, case converter, text reverser, lorem ipsum generator and more text utilities.
- [Developer Tools](https://www.quicktoolz.com/developer): JSON formatter, base64, URL encoder, regex tester, and more utilities for developers.
- [Date & Time Tools](https://www.quicktoolz.com/date-time): Age calculator, date difference, timezone converter, and date arithmetic tools.
- [Unit Converters](https://www.quicktoolz.com/unit-converters): Length, weight, temperature, currency, and more — convert any unit in real time.
- [Security Tools](https://www.quicktoolz.com/security): Password generator, hash generator, JWT decoder — privacy-first security utilities.
- [SEO Tools](https://www.quicktoolz.com/seo): Meta tag generator, schema builder, sitemap tools, and SEO analyzers.
- [Color Tools](https://www.quicktoolz.com/color): Color picker, palette generator, contrast checker, and conversion utilities.

## Tools
- [Age Calculator](https://www.quicktoolz.com/calculators/age-calculator): Calculate your exact age in years, months, days, weeks, and hours. Free, instant, and works in your browser.
- [Percentage Calculator](https://www.quicktoolz.com/calculators/percentage-calculator): Calculate percentages instantly: of, reverse %, increase/decrease, and percent change. Free and ad-light.
- [BMI Calculator](https://www.quicktoolz.com/calculators/bmi-calculator): Calculate your Body Mass Index in metric or imperial units. See your BMI category and healthy weight range.
- [Loan Calculator](https://www.quicktoolz.com/calculators/loan-calculator): Calculate EMI, total interest, payoff timeline, and amortization schedule with extra-payment planning in any major currency.
- [Tip Calculator](https://www.quicktoolz.com/calculators/tip-calculator): Calculate tip and split the bill instantly. Pick a tip preset or set your own, round up, and share the per-person total.
- [Discount Calculator](https://www.quicktoolz.com/calculators/discount-calculator): Calculate sale price, savings, and effective discount instantly. Forward or reverse — go from % to price or price to %.
- [GST / VAT Calculator](https://www.quicktoolz.com/calculators/gst-calculator): Add or remove GST / VAT instantly. Country presets for IN, AU, CA, NZ, UK, DE — or set your own rate.
- [Compound Interest Calculator](https://www.quicktoolz.com/calculators/compound-interest-calculator): Project savings growth with compounding and monthly contributions. See future value, contributions, and interest earned.
- [Mortgage Calculator](https://www.quicktoolz.com/calculators/mortgage-calculator): Estimate full monthly mortgage payment with PITI, PMI, HOA, and extra principal — see total interest and payoff time.
- [Unit Price Calculator](https://www.quicktoolz.com/calculators/unit-price-calculator): Compare up to 6 products by price per unit — instantly find the best deal and see how much pricier each option is.
- [Word Counter](https://www.quicktoolz.com/text/word-counter): Count words, characters, sentences, paragraphs, and reading time in real time. Free and ad-light.
- [Case Converter](https://www.quicktoolz.com/text/case-converter): Convert text to UPPERCASE, lowercase, Title Case, camelCase, snake_case, kebab-case and more.
- [Text Reverser](https://www.quicktoolz.com/text/text-reverser): Reverse text by characters, words, lines, or sentences. Live, free, and works with emoji.
- [Lorem Ipsum Generator](https://www.quicktoolz.com/text/lorem-ipsum-generator): Generate placeholder text — paragraphs, sentences, or words — with one click. Free and instant.
- [Password Generator](https://www.quicktoolz.com/security/password-generator): Generate strong, unique, cryptographically secure passwords with adjustable length, character sets, and entropy meter — 100% in your browser.
- [Password Strength Checker](https://www.quicktoolz.com/security/password-strength-checker): Test how strong a password is. Get instant entropy in bits, crack-time estimates, and per-character feedback — all in your browser.
- [Hash Generator](https://www.quicktoolz.com/security/hash-generator): Generate MD5, SHA-1, SHA-256, SHA-384, and SHA-512 hashes from any text — instantly, in your browser, with zero uploads.
- [UUID Generator](https://www.quicktoolz.com/developer/uuid-generator): Generate cryptographically secure UUIDs (v4 random and v7 time-ordered) instantly — in your browser, with hyphens, casing, and braces formatting.
- [Base64 Encoder / Decoder](https://www.quicktoolz.com/developer/base64-encoder): Encode any text to Base64 — or decode Base64 back to plain text — instantly, with optional URL-safe output. Works fully in your browser with UTF-8 support.
- [URL Encoder / Decoder](https://www.quicktoolz.com/developer/url-encoder): Percent-encode any text for safe use in URLs — or decode encoded strings back to plain text. UTF-8 safe, instant, and fully private.
- [JSON Formatter & Validator](https://www.quicktoolz.com/developer/json-formatter): Pretty-print, minify, and validate JSON in your browser. Spot syntax errors with exact line and column numbers — no server, no upload.
- [HTML Entity Encoder & Decoder](https://www.quicktoolz.com/developer/html-entity-encoder): Encode and decode HTML entities — minimal, named, numeric, or all non-ASCII. Live preview, copy, swap, in your browser.
- [JWT Decoder](https://www.quicktoolz.com/developer/jwt-decoder): Decode JSON Web Tokens to inspect header, payload, and signature. Highlights expiry, algorithm, issuer, and audience claims.
- [Regex Tester](https://www.quicktoolz.com/developer/regex-tester): Test JavaScript regular expressions with live highlighting, capture groups, named groups, and replacement preview.
- [Unicode Escape Converter](https://www.quicktoolz.com/developer/unicode-escape-converter): Encode and decode Unicode escapes — \uXXXX, \u{XXXXXX}, CSS \XXXXXX, JSON, and percent-encoded UTF-8 — all in your browser.
- [YAML ↔ JSON Converter](https://www.quicktoolz.com/developer/yaml-to-json-converter): Convert between YAML and JSON with live preview. Pretty-print indentation, optional key sorting, and clear error messages.
- [Length Converter](https://www.quicktoolz.com/unit-converters/length-converter): Convert between meters, feet, inches, kilometers, miles, yards, nautical miles and more — instantly, in your browser.
- [Weight Converter](https://www.quicktoolz.com/unit-converters/weight-converter): Convert kilograms, pounds, ounces, stones, tonnes, troy ounces and more. Live, accurate, in your browser.
- [Temperature Converter](https://www.quicktoolz.com/unit-converters/temperature-converter): Convert Celsius, Fahrenheit, Kelvin, Rankine, Réaumur. Handles negative temperatures and below-absolute-zero edge cases gracefully.
- [Volume Converter](https://www.quicktoolz.com/unit-converters/volume-converter): Convert liters, milliliters, US/UK gallons, cups, tablespoons, fluid ounces, cubic meters and more — live in your browser.
- [Area Converter](https://www.quicktoolz.com/unit-converters/area-converter): Convert square meters, square feet, acres, hectares, square miles and more — instantly and accurately.
- [Speed Converter](https://www.quicktoolz.com/unit-converters/speed-converter): Convert m/s, km/h, mph, knots, ft/s, mach, and the speed of light. Live, browser-only, free.
- [Data Storage Converter](https://www.quicktoolz.com/unit-converters/data-storage-converter): Convert bits, bytes, KB/MB/GB/TB (SI) and KiB/MiB/GiB/TiB (IEC). Spot the difference between decimal and binary scales.
- [Energy Converter](https://www.quicktoolz.com/unit-converters/energy-converter): Convert joules, kilojoules, calories, kilocalories, watt-hours, BTU, foot-pounds and electronvolts.
- [Date Difference Calculator](https://www.quicktoolz.com/date-time/date-difference-calculator): Calculate the exact difference between two dates — years, months, days, hours, minutes, and business days.
- [Unix Timestamp Converter](https://www.quicktoolz.com/date-time/unix-timestamp-converter): Convert Unix timestamps to human-readable dates and back. Auto-detects seconds, milliseconds, and microseconds.
- [Countdown Timer](https://www.quicktoolz.com/date-time/countdown-timer): Build a live countdown to any moment — birthday, launch, deadline. Share the link to send the same countdown to anyone.
- [Timezone Converter](https://www.quicktoolz.com/date-time/timezone-converter): Convert any wall time between IANA timezones and view a live world clock. DST-aware. Powered by your browser's Intl.
- [Slug Generator](https://www.quicktoolz.com/seo/slug-generator): Turn any title or text into a clean, SEO-friendly URL slug — instantly, with separator, case, length, and stop-word controls.
- [Color Converter](https://www.quicktoolz.com/color/color-converter): Pick any color and instantly convert between HEX, RGB, HSL, HSB, OKLCH, and CMYK — with a live picker, sliders, and presets.
- [LLM Token Counter](https://www.quicktoolz.com/ai/token-counter): Estimate token counts for GPT, Claude, Gemini, Llama and Mistral — instantly, in your browser.
- [LLM Prompt Cost Estimator](https://www.quicktoolz.com/ai/prompt-cost-estimator): Estimate the daily and monthly USD cost of running prompts across GPT-4, Claude, Gemini, Llama and Mistral.
- [Tokens Per Second Visualizer](https://www.quicktoolz.com/ai/tokens-per-second-visualizer): Visualize queue time, first-token latency, and token throughput for AI responses.
- [Context Window Visualizer](https://www.quicktoolz.com/ai/context-window-visualizer): See how system prompts, examples, retrieval chunks, and output reserve fit inside a model context window.
- [Prompt Word to Token Ratio Calculator](https://www.quicktoolz.com/ai/prompt-word-to-token-ratio-calculator): Convert human word counts into LLM token estimates and compare models side-by-side.
- [AI Output Detector Readability Score](https://www.quicktoolz.com/ai/ai-output-detector-readability-score): Score text for readability and heuristic AI-likeness signals — useful for editorial QA.
- [System Prompt Builder](https://www.quicktoolz.com/ai/system-prompt-builder): Build stable system prompts with role, goal, constraints, tone, examples, and output format.
- [Temperature & Top-P Explainer](https://www.quicktoolz.com/ai/temperature-top-p-explainer): Compare temperature and top-p settings to see how they affect randomness and control.
- [AI Image Prompt Formatter](https://www.quicktoolz.com/ai/ai-image-prompt-formatter): Format image prompts into subject, style, lighting, camera, and negative prompt sections.
- [Embeddings Dimension Reference](https://www.quicktoolz.com/ai/embeddings-dimension-reference): Look up common embedding models and their vector dimensions for search and RAG planning.
- [LLM Latency Budget Calculator](https://www.quicktoolz.com/ai/llm-latency-budget-calculator): Estimate request latency from prompt size, output size, throughput, queue time, and safety margin.
- [Reading & Speaking Time Estimator](https://www.quicktoolz.com/creator/read-time-estimator): Estimate how long any article, blog post, or script takes to read or speak aloud — at a speed you control.
- [Social Media Character Counter](https://www.quicktoolz.com/creator/social-character-counter): Live character counts for X, Threads, Bluesky, Instagram, TikTok, LinkedIn, Facebook, YouTube, Pinterest, and Google SERP — all at once.
- [Engagement Rate Calculator](https://www.quicktoolz.com/creator/engagement-rate-calculator): Calculate engagement rate by followers, reach, or impressions — with benchmarks for Instagram, TikTok, YouTube, LinkedIn and more.

## Programmatic landing pages
- https://www.quicktoolz.com/convert/{from-unit}-to-{to-unit}
- https://www.quicktoolz.com/alternatives/{competitor-slug}
- https://www.quicktoolz.com/vs/{a-vs-b}