Free Online Tools

Simple, fast tools that run 100% in your browser. No sign-up, no uploads, no cost — ever.

100% FREE · NO SIGN-UP · NOTHING LEAVES YOUR BROWSER

🧮 Calculators

Mortgage Calculator →
Monthly payment, tax, insurance and PMI for any US home loan.
BMI Calculator →
Your Body Mass Index, category and healthy weight range in seconds.
Tip Calculator →
Tip amount and per-person split for any bill.
Calorie Calculator →
Daily calories to maintain, lose or gain weight.
Loan Calculator →
Monthly payment and total interest for any loan.
Compound Interest Calculator →
See how savings and investments grow over time.
Percentage Calculator →
Percent of a number, percentage change and more.
GPA Calculator →
Semester and cumulative GPA on the 4.0 scale.
Age Calculator →
Your exact age in years, months and days — plus total days lived.
Sales Tax Calculator →
Tax amount, total price and reverse tax for any US rate.
Auto Loan Calculator →
Monthly car payment with down payment, trade-in and tax.
Simple Interest Calculator →
Interest and total for any principal, rate and time.
Savings Goal Calculator →
How long until you reach your savings goal.
Retirement Calculator →
What your savings could grow to by retirement age.
Credit Card Payoff Calculator →
Months to clear your card and the interest you will pay.
Discount Calculator →
Sale savings and final price — calculated both ways.
Body Fat Calculator →
Estimate your body fat % with the US Navy tape method.
Due Date Calculator →
Your baby's estimated due date from your last period.
Ovulation Calculator →
Ovulation day, fertile window and next period date.
Fraction Calculator →
Add, subtract, multiply and divide fractions — simplified.
Scientific Calculator →
Trig, logs, powers, roots and more — a full scientific calculator.
Statistics Calculator →
Mean, median, mode, variance and standard deviation.
Area Calculator →
Area of rectangles, circles, triangles and trapezoids.
Square Footage Calculator →
Square feet of any room or space, plus cost per sq ft.
Concrete Calculator →
Cubic yards and bags of concrete for any slab.
Date Difference Calculator →
Days between two dates — or a date plus or minus days.
Time Duration Calculator →
Hours and minutes between two times of day.
Hours Calculator →
Work hours and pay from clock-in to clock-out.
Salary Calculator →
Hourly wage to annual salary and back, in seconds.
Paycheck Calculator →
Take-home pay per paycheck after tax and deductions.
Final Grade Calculator →
The final exam score you need for the grade you want.

📝 Text Tools

Word Counter →
Words, characters, sentences and reading time — live as you type.
Character Counter →
Count characters with and without spaces, letters and digits.
Case Converter →
UPPER, lower, Title, Sentence and more case styles in one click.
Remove Duplicate Lines →
Clean a list by deleting repeated lines instantly.
Sort Lines →
Sort lines A–Z, Z–A, by length or randomly.
Reading Time Calculator →
How long your text takes to read or speak aloud.
Remove Extra Spaces →
Tidy messy text — extra spaces, tabs and blank lines gone.
Sentence Counter →
Count sentences, words per sentence and paragraphs.
Lorem Ipsum Generator →
Placeholder dummy text by paragraphs, sentences or words.
Slug Generator →
Turn any title into a clean, URL-friendly slug.
Text Reverser →
Reverse the whole text, the word order, or each word.
Word Frequency Counter →
See which words you use most — counted and sorted.
Find & Replace →
Swap words or phrases across a whole text at once.
Binary Text Converter →
Convert text to binary and binary back to text.

🔄 Converters

Unit Converter →
Length, weight, temperature, volume, area and speed — all in one place.
KM to Miles Converter →
Convert kilometers to miles instantly, with a quick reference table.
Miles to KM Converter →
Convert miles to kilometers instantly, with a quick reference table.
KG to Pounds Converter →
Convert kilograms to pounds and ounces in one tap.
Pounds to KG Converter →
Convert pounds to kilograms instantly and accurately.
Celsius to Fahrenheit Converter →
Convert °C to °F with the formula and common temperatures.
Fahrenheit to Celsius Converter →
Convert °F to °C with the formula and common temperatures.
Inches to CM Converter →
Convert inches to centimeters, millimeters and feet.
Feet to Meters Converter →
Convert feet and inches to meters and centimeters.
Gallons to Liters Converter →
Convert US gallons to liters, quarts and cups.
Roman Numeral Converter →
Numbers to Roman numerals and back — 1 to 3999.
Number to Words Converter →
Write any number out in English words — plus a money mode.
Time Zone Converter →
Convert time between cities and countries instantly.
Unix Timestamp Converter →
Epoch time to date and back, in seconds or milliseconds.

🖼️ Image Tools

Image Format Converter →
Convert PNG, JPG, WebP and more — right in your browser.
Image Compressor →
Shrink JPG & WebP photos without visible quality loss.
Image Resizer →
Resize photos to exact pixels, keeping aspect ratio.
Image Cropper →
Crop any photo to the exact area you want, with aspect presets.

🎲 Generators

Password Generator →
Strong random passwords with a strength meter — generated locally.
Password Strength Checker →
Check password strength privately — nothing leaves your browser.
QR Code Generator →
Create QR codes for links and text — fully offline, no sign-up.
Wi-Fi QR Generator →
A QR code guests can scan to join your Wi-Fi instantly.
UUID Generator →
Random UUIDs in bulk, with uppercase and no-hyphens options.
Random Number Generator →
Random numbers in any range, with or without duplicates.
Dice Roller →
Roll up to 6 dice with 4 to 100 sides each.
Coin Flip →
Flip a virtual coin with a running heads/tails tally.
Random Name Picker →
Pick a fair random winner from any list of names.
Meme Generator →
Add top and bottom text to any image and download it.
Color Palette Generator →
Harmonious 5-color palettes with click-to-copy HEX codes.
CSS Gradient Generator →
Build gradients live and copy the ready CSS snippet.

💻 Dev Tools

JSON Formatter →
Format, minify and validate JSON with clear errors.
JSON to CSV Converter →
Turn a JSON array into a clean CSV file.
Diff Checker →
Compare two texts line by line, additions and deletions highlighted.
Base64 Encoder →
Encode and decode Base64 text, with full UTF-8 support.
URL Encoder →
Encode and decode URL components safely.
Hash Generator →
SHA-256, SHA-512 and SHA-1 hashes, computed locally.
Color Picker →
Pick a color and get HEX, RGB and HSL — plus matching colors.
Regex Tester →
Test regular expressions live, with match highlighting.

🤖 Chatbots & Creator Tools

Shorts Hook & Title Generator →
10 viral hooks, 5 titles and 3 captions for Shorts, TikTok and Reels.
AI Chat Assistant →
Chat with a free AI assistant right in your browser.
AI Receptionist Demo →
See an AI receptionist answer questions and book appointments.

No tools match your search — try a shorter word.