Free Online Tools, Instant Results

A collection of fast, free browser-based utilities. No signup, no install, no data sent to servers.

🖼️ File & Image

Image Converter

Convert JPG, PNG, and WebP images instantly in your browser.

Base64 Encoder / Decoder

Encode text or files to Base64. Decode Base64 back to plain text.

📐 Unit Converters

Convert length, weight, temperature, area, volume, and speed units.

🔢 Math & Numbers

Percentage Calculator

Calculate percentages, percentage change, and what % a number is of another.

Calculate tip amount and split the bill between any number of people.

Loan Calculator

Calculate monthly payments, total interest and full amortization schedule.

Compound Interest

See how investments grow with compounding. Year-by-year breakdown with contributions.

Statistics Calculator

Mean, median, mode, standard deviation, quartiles and more from any dataset.

📝 Text Tools

Count words, characters, sentences, paragraphs and estimate reading time.

Text Case Converter

Convert text to UPPERCASE, lowercase, camelCase, snake_case, kebab-case and more.

Lorem Ipsum Generator

Generate placeholder text in paragraphs, sentences or words. Classic or random.

Compare two texts and highlight additions, deletions and changes line by line.

Markdown Editor

Live Markdown preview with full LaTeX math support via KaTeX. Inline and block equations.

🎨 Design Tools

Box Shadow Generator

Design multi-layer CSS box shadows visually with sliders. 8 presets. Copy CSS instantly.

Image Palette Extractor

Upload any image to extract its dominant colors. Sort by hue, lightness or frequency.

✍️ Writing & Analysis

Readability Analyzer

Flesch-Kincaid, Gunning Fog, SMOG, Coleman-Liau and ARI scores. Grade level and complex words.

Markdown Table Generator

Build tables visually in a spreadsheet editor. Set alignment, copy Markdown. Import existing tables.

⏱ Productivity

Ambient Noise Generator

White, brown, pink noise, rain and binaural tones for focus or sleep. Auto-stop timer.

Meeting Cost Calculator

Real-time meeting cost ticker. Enter attendees and salaries — watch the cost tick up.

Stopwatch & Timer

Precision stopwatch with lap times and a countdown timer with audio alarm.

Convert numbers to Roman numerals and back. Step-by-step breakdown with reference chart.

Number to Words

Spell out any number in English. Cardinal, ordinal, currency and year modes. Up to quadrillions.

💚 Health & Fitness

Calculate your Body Mass Index. Supports metric and imperial units.

Calculate your exact age in years, months and days. Find your next birthday.

🛠️ Developer Tools

Plot functions and CSV data. Zoom, pan, customize colors, download PNG/SVG.

Color Converter

Convert colors between HEX, RGB, and HSL formats. Live preview included.

Password Generator

Generate strong, secure random passwords with custom rules.

Format, validate and minify JSON. Highlights errors with exact position.

URL Encoder / Decoder

Encode special characters for URLs or decode percent-encoded strings.

Timestamp Converter

Convert Unix timestamps to dates and vice versa. Live current timestamp.

Test regular expressions with live match highlighting, flags and group capture details.

Generate SHA-1, SHA-256, SHA-384 and SHA-512 hashes from text or files.

QR Code Generator

Create QR codes for URLs, text, email, phone and WiFi. Download PNG or SVG.

Convert numbers between binary, octal, decimal and hexadecimal. Bit visualizer included.

Generate cryptographically secure UUID v4 identifiers. Single or bulk up to 1000.

Color Palette Generator

Generate complementary, analogous, triadic and more palettes from any base color.

Parse and explain cron expressions in plain English. Preview the next 10 execution times.

Convert CSV data to JSON objects and JSON arrays back to CSV. Download results.

Text ↔ Binary

Convert text to binary, hex and decimal byte values. Decode binary back to text.

Translate text to Morse code and back. Play audio at adjustable speed.

Calculate and scale aspect ratios for images, screens and videos. Common presets included.

Decode JWT header, payload and claims. Inspect expiry and standard claims. 100% client-side.

Contrast Checker

WCAG 2.1 AA/AAA color contrast ratio. Pass/fail for normal and large text with suggested fixes.

Subnet Calculator

IPv4 CIDR subnet details: network, broadcast, host range, mask, wildcard and binary breakdown.

CSS Unit Converter

Convert between px, rem, em, pt, vw, vh, cm, mm. Configure base font size and viewport.

About QuickUtils

QuickUtils is a collection of free, browser-based utility tools. All processing happens locally on your device — your files and data are never uploaded to any server.

⚡

Instant Results

No waiting, no upload delays

🔒

100% Private

Everything runs in your browser

🆓

Always Free

No signup or payment needed