All Tools

QR Code Generator

QR codes for URLs, text, WiFi, vCard.

Word Counter

Count words, characters, sentences and paragraphs instantly.

JSON Formatter

Pretty-print, minify and validate JSON.

Password Generator

Strong random passwords, crypto-secure.

Image Compressor

Shrink JPG/PNG/WebP files with quality control.

PDF Merger

Combine multiple PDFs into one document.

Percentage Calculator

X% of Y, percentage change, and more.

PDF Compressor

Reduce PDF file size with quality control.

Case Converter

UPPERCASE, lowercase, Title Case, camelCase and more.

Image Resizer

Resize images by pixels or percentage.

Countdown Timer

Timer with alarm and presets.

Discount Calculator

Sale prices with discount % and savings.

Age Calculator

Exact age in years, months, days.

Length Converter

m, km, mi, ft, in, cm, mm, yd, nmi.

Character Counter

Count characters with and without spaces, in real time.

BMI Calculator

Body Mass Index with healthy range.

Image Converter

Convert between PNG, JPG and WebP.

VAT Calculator

Add or remove VAT at any rate.

Stopwatch

Precision stopwatch with laps.

Loan Calculator

Monthly payment, total interest, schedule.

Temperature Converter

°C, °F, K, °R conversions.

Random Number Generator

Random numbers in any range.

Image Cropper

Crop images freely or to fixed ratios.

UUID Generator

Generate v4 UUIDs in bulk, cryptographically random.

Compound Interest Calculator

Growth with regular contributions.

PDF Splitter

Extract page ranges or split every page.

Base64 Encoder

Encode text or files to Base64.

Tip Calculator

Tip amount and per-person split.

Weight Converter

kg, g, lb, oz, st, t, mg.

Images to PDF

Turn JPG/PNG images into a PDF document.

Color Converter

HEX ⇄ RGB ⇄ HSL with live preview.

Pomodoro Timer

25/5 focus cycles with long breaks.

Lorem Ipsum Generator

Generate placeholder text: paragraphs, words or sentences.

Timestamp Converter

Unix epoch ↔ human date, both directions.

Date Difference Calculator

Days, weeks, months between two dates.

PDF to Images

Render PDF pages as PNG or JPG images.

Regex Tester

Test regular expressions with live highlighting.

Color Palette Generator

Harmonious palettes from one color.

Time Zone Converter

Convert times between zones.

Base64 Decoder

Decode Base64 back to text or files.

Mortgage Calculator

Home loan payment with down payment.

World Clock

Current time in major cities.

Fancy Text Generator

𝒰𝓃𝒾𝒸𝑜𝒹𝑒 fonts, small caps and decorations.

Hash Generator

SHA-256, SHA-1, SHA-512 hashes of text or files.

Speed Converter

km/h, mph, m/s, knots, ft/s.

Random Choice Picker

Spin-the-wheel style random pick.

PNG to JPG

Convert PNG images to smaller JPG files.

Salary Calculator

Convert salary between hour, day, month, year.

WiFi QR Generator

Let guests join WiFi by scanning.

PDF Page Extractor

Pull specific pages out of a PDF.

GPA Calculator

Weighted GPA from grades and credits.

Gradient Generator

CSS gradients with live preview.

Text Cleaner

Remove extra spaces, breaks and invisible characters.

URL Encoder

Percent-encode text for safe URLs.

Date Calculator

Add or subtract days, months, years.

Calorie Calculator

Daily calorie needs for goals.

Data Storage Converter

Bytes, KB, MB, GB, TB (decimal & binary).

Strong Password Generator

Maximum-strength passwords with presets.

WebP Converter

Convert images to and from WebP.

PDF Text Extractor

Copy all text content out of a PDF.

JSON Validator

Validate JSON with exact error locations.

Profit Calculator

Margin, markup and profit per unit.

Average Calculator

Mean, median, mode, range, SD.

Dice Roller

D4–D100 virtual dice.

Favicon Generator

Create favicons in all sizes from one image.

Volume Converter

l, ml, gal, qt, pt, cup, fl oz, m³.

JPG to PNG

Convert JPG photos to PNG format.

Markdown Preview

Render Markdown to HTML with live preview.

BMR Calculator

Basal metabolic rate (Mifflin-St Jeor).

Coin Flip

Heads or tails, with history.

Remove Line Breaks

Strip line breaks and join text into clean paragraphs.

URL Decoder

Decode percent-encoded URLs and text.

Fuel Cost Calculator

Trip fuel and cost estimates.

Image Color Picker

Pick colors from any image with HEX/RGB output.

JSON Minifier

Strip whitespace from JSON.

Area Converter

m², km², acres, hectares, ft².

Username Generator

Available-style handle ideas.

Remove Duplicate Lines

Deduplicate lines, optionally case-insensitive.

Business Days Calculator

Working days between dates.

PDF Page Rotator

Rotate pages 90°, 180° or 270°.

HTML Formatter

Indent and beautify HTML markup.

Grade Calculator

Weighted final grade from components.

Time Converter

s, min, h, days, weeks, months, years.

Barcode Generator

EAN-13 and Code-128 barcodes.

JavaScript Formatter

Re-indent and tidy JavaScript code.

Slug Generator

Create clean URL slugs from any title.

CSS Formatter

Beautify stylesheets with clean indentation.

RGB to HEX

Convert RGB values to HEX codes.

Pace Calculator

Running pace, time & distance.

Random Wheel

Spinning wheel for decisions.

Base64 Image Converter

Encode images as Base64 data URLs and back.

HEX to RGB

Convert HEX colors to RGB values.

Time Calculator

Add and subtract times and durations.

vCard Generator

Contact QR codes (MECARD/vCard).

Find & Replace

Replace text with optional regex support.

Unix Timestamp Converter

Batch epoch conversion with live clock.

Number Base Converter

Binary, octal, decimal, hex and custom.

Calendar Generator

Printable monthly calendars.

PDF Image Extractor

Pull embedded images out of PDF files.

JSON to CSV

Convert JSON arrays to CSV spreadsheets.

Body Fat Calculator

Body fat % via US Navy method.

Image to PDF

Convert a single image to a PDF page.

CSS Minifier

Minify CSS and save bytes.

Energy Converter

J, kJ, cal, kcal, Wh, kWh, BTU.

Random Name Generator

Fake names for testing and privacy.

Sunrise & Sunset Times

Sun times for any location & date.

Emoji Picker

Find and copy emoji by category or name.

HTML Minifier

Compress HTML for production.

CSV to JSON

Convert CSV data to JSON arrays.

Aspect Ratio Calculator

Compute dimensions for any aspect ratio.

Passphrase Generator

Diceware-style memorable passphrases.

Text Analyzer

Full statistics: words, unique words, readability.

HTML Entity Encoder

Escape HTML special characters.

Simple Interest Calculator

I = P × r × t, instantly.

Fuel Economy Converter

l/100km ⇄ MPG (US & UK).

PDF Viewer

Preview PDF files with zoom controls.

Fraction Calculator

Add, subtract, multiply, divide fractions.

Contrast Checker

WCAG AA/AAA contrast ratio testing.

Text Sorter

Sort lines A–Z, Z–A, by length or shuffled.

Cron Expression Explainer

Explain cron schedules in plain English.

RGB to HSL

Convert RGB to HSL color space.

Power Converter

W, kW, MW, hp, BTU/h.

Keyword Density Checker

Top words and 2-word phrases with density %.

HTML Entity Decoder

Convert HTML entities back to characters.

Distance Calculator

Speed × time distance computations.

Test Grade Calculator

Score points → grade with IKI-style scale.

Pressure Converter

Pa, bar, psi, atm, mmHg, torr.

Image Rotator

Rotate images by 90° steps or free angle.

Uppercase Converter

Convert text to UPPERCASE instantly.

Query String Parser

Parse URL query strings into a table.

Protein Calculator

Daily protein target by body & goal.

Ratio Calculator

Solve ratios and scale values.

Lowercase Converter

Convert text to lowercase instantly.

Image Grayscale Converter

Convert images to black & white.

Meeting Time Finder

Best meeting times across zones.

Image Metadata Viewer

Show dimensions, size, type and EXIF data.

Text to Binary

Encode text as binary (UTF-8) code.

YAML to JSON

Convert simple YAML to JSON.

PDF Page Counter

Count pages and show page dimensions.

Week Number Calculator

ISO week number for any date.

Image Flipper

Mirror images horizontally or vertically.

Reading Time Calculator

Estimate reading and speaking time for any text.

Screenshot Resizer

Resize screenshots to common device sizes.

Binary to Text

Decode binary code back into readable text.

Angle Converter

°, rad, grad, arcmin, arcsec.

Number Generator

Number sequences and lists.

PDF Metadata Viewer

Inspect title, author, dates and more.

Frequency Converter

Hz, kHz, MHz, GHz, RPM.

Sentence Counter

Count sentences and average sentence length.

Force Converter

N, kN, kgf, lbf, dyn.

Text Repeater

Repeat text n times with custom separators.

Torque Converter

Nm, kgf·m, lb·ft, lb·in.

ASCII Table

Interactive ASCII reference with decimal, hex, binary.

ULID Generator

Sortable unique IDs (ULID format).

Letter Counter

Frequency analysis of letters in your text.

Dice Probability Calculator

Odds for dice combinations.

Text Reverser

Reverse text, words or lines.

PDF Password Generator

Create strong passwords for protecting PDFs.

Paragraph Counter

Count paragraphs and their average length.

Period Calculator

Frequency ↔ period T = 1/f.

Char Code Converter

Text ↔ char codes (decimal, hex, Unicode).

Unicode Lookup

Look up Unicode characters by name or code.