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115 tools shownNETCalculators
Salary Calculator 2026/27
Calculate gross to net or net to gross for the UK and Australia.
COOKCalculators
Kitchen, Cups to Grams & Baking Calculator
Convert ingredients between weight and volume, scale recipes, compare pan sizes and convert oven temperatures.
SPINGenerators
Name Spin Wheel
Free name spin wheel with secure random selection, elimination mode, weights, CSV import and winner history.
CALCCalculators
Calculator
Calculate with parentheses, powers, percentages and the four basic operations. A local history keeps recent expressions available for checking and reuse.
SCICalculators
Scientific Calculator
Calculate trigonometric functions, logarithms, roots and powers in degrees or radians. The expression and result remain visible together for verification.
LOANCalculators
Loan Calculator
Estimate monthly payment, total interest and payoff time for an instalment loan. Extra payments are reflected in the amortization schedule and their effect on term and interest.
HOMECalculators
Mortgage Calculator
Compare home financing using price, down payment, interest, term, taxes and insurance. The result separates the loan payment from additional monthly housing costs.
AERCalculators
Compound Interest Calculator
Simulate a lump sum with recurring contributions and selectable compounding frequency. The result separates deposited capital from interest earned over time.
TIPCalculators
Tip Calculator
Calculate tip, grand total and amount per person from the bill, percentage and party size. Common tip rates are available as quick presets.
TAXCalculators
Sales Tax Calculator
Add sales tax to a net price or extract it from a tax-inclusive price. Net amount, tax share and final price are shown separately.
BMICalculators
BMI Calculator
Calculate BMI from weight and height and compare it with adult screening categories. The corresponding weight range for BMI 18.5 to 24.9 is also shown.
BMRCalculators
BMR Calculator
Estimate basal metabolic rate and daily energy needs with the MifflinโSt Jeor equation. Weight, height, age, sex and activity factor are considered separately.
GPACalculators
GPA Calculator
Calculate a credit-weighted GPA. Each course score is multiplied by its credits, so higher-credit courses appropriately have more influence on the average.
GRADECalculators
Final Grade Calculator
Find the score required in the remaining part of a course to reach a target final grade. Targets outside the achievable range are clearly marked.
16:9Design
Aspect Ratio Calculator
Reduce width and height to their common aspect ratio and calculate the proportional height for a new width. Presets cover common image and video formats.
ยฝCalculators
Fraction Calculator
Add, subtract, multiply or divide two fractions. The result is reduced using the greatest common divisor and is also displayed as a decimal.
A:BCalculators
Ratio Calculator
Reduce a ratio and distribute a target total proportionally between both shares. For example, 3:2 and 100 produce 60 and 40.
AVGCalculators
Average Calculator
Analyze a number list with count, sum, arithmetic mean, median, minimum and maximum. Commas, spaces and semicolons are recognized as separators.
HRSTime
Hours Calculator
Calculate working time across midnight, subtract breaks and optionally estimate pay from an hourly rate. The duration is also shown in hours-and-minutes format.
ZZZTime
Sleep Calculator
Find suggested bedtimes or wake times using four to six 90-minute cycles plus 15 minutes to fall asleep. Results are planning aids, not a sleep diagnosis.
FUELCalculators
Fuel Cost Calculator
Estimate fuel volume, total cost and cost per person from distance, consumption and price per litre. A round trip can be included with one setting.
MB/MINCalculators
Audio & Video File Size Calculator
Estimate audio and video file sizes from duration, video and audio bitrate plus container overhead, or calculate the available runtime for a storage limit. Resolution, frame-rate, codec and format presets remain fully editable.
FXCalculators
Currency Converter
Convert amounts between 22 currencies using dated reference rates. The rate date and ratio are shown; bank and card markups are not included.
BINDeveloper
Number Base Converter
Convert integers between binary, octal, decimal and hexadecimal. Characters that are invalid for the selected source base are rejected.
XIVCalculators
Roman Numeral Converter
Convert positive integers and valid Roman numerals in both directions. Non-canonical sequences are detected rather than silently accepted.
123Text
Number to Words
Spell numbers out in the selected language for invoices, learning material or accessible text. Language-specific number formation is respected.
UNIXDeveloper
Unix Timestamp Converter
Translate Unix timestamps into local time and UTC, or create seconds since 1 January 1970 from a date and time.
CSVDeveloper
CSV to JSON
Read CSV data with a header row and produce structured JSON objects. Quotes, delimiters and empty fields are handled during parsing.
JSONDeveloper
JSON to CSV
Turn a list of similar JSON objects into a CSV table. Keys become columns and special characters are escaped correctly.
IMG64Developer
Image to Base64
Create a Base64 data URL from a local image for CSS, HTML or testing. File type, size and resulting text length remain visible.
0101Developer
Text to Binary
Encode Unicode text byte by byte as binary, or decode space-separated 8-bit values. UTF-8 preserves international characters.
ยทโText
Morse Code Translator
Translate letters, digits and common punctuation to and from international Morse code. Spacing clearly separates characters and words.
PDF+Design
Merge PDF
Combine up to 20 PDF files in the selected order. Every page is copied locally; each input file may be up to 50 MB.
PDFรทDesign
Split PDF
Extract individual pages or ranges such as 1โ3,5 from a PDF and save them as a new file. Page count and selection are checked before export.
PDFโ
Design
Organize PDF Pages
Reorder, rotate or remove individual PDF pages and export the new order as a separate file. The original remains unchanged and all processing happens in your browser.
JPGDesign
JPG to PDF
Create a PDF from up to 30 JPEG or PNG images. Pages can follow image dimensions or use A4 with an adjustable margin.
ZIPDesign
Image Compressor
Reduce image dimensions and export as WebP, JPEG or PNG. Preview, new file size and percentage saved make the quality trade-off visible.
SIZEDesign
Image Resizer
Change image width and height up to 10,000 pixels. An aspect lock preserves the original ratio while format and quality remain selectable.
CROPDesign
Image Cropper
Crop a square area with selectable size, position and zoom. The preview shows the exact composition before local export.
ICODesign
Favicon Generator
Create square PNG icons at 512, 192 or 32 pixels from an image. Outputs suit app manifests, home screens and browser tabs.
โText
Reverse Text
Reverse characters, word order or the letters within each word. Line breaks and international Unicode characters are preserved during local processing.
TTSText
Text to Speech
Read text aloud using voices installed in your browser or device. Voice, speed, pitch and volume are adjustable and no audio is uploaded.
.*Developer
Regex Tester
Test regular expressions and flags against multiline text. Matches, groups and positions are listed, while invalid patterns receive a clear error.
SAFEGenerators
Password Strength Checker
Assess password length, character variety and recognizable weaknesses locally. The tool suggests specific improvements without sending the password to a server.
INVGenerators
Invoice Generator
Create a printable invoice with sender, customer, line items, quantities, prices, tax and due date. The draft is stored only in the browser.
||||Generators
Barcode Generator
Generate scalable SVG barcodes in CODE128, CODE39, EAN13, EAN8, UPC or ITF14. Invalid characters and check digits are reported before download.
IPDeveloper
What Is My IP?
Display the public IP address and identify IPv4 or IPv6. One network request is required; private local-network addresses are not inspected.
NOTEText
Online Notepad
Write notes with live word and character counts. Text is saved per language in local browser storage and can be downloaded as a TXT file.
TODOGenerators
To-Do List
Add tasks, mark them complete and filter by status. The list remains in local storage and is not synchronized with an account.
KCALCalculators
Calorie Calculator
Estimate maintenance calories and moderate loss or gain targets from MifflinโSt Jeor BMR and an activity factor. Individual health factors are not captured.
HโOCalculators
Water Intake Calculator
Estimate total daily water intake using sex, exercise and hot weather. The reference value includes water from both drinks and food.
D20Generators
Dice Roller
Roll multiple 4, 6, 8, 10, 12, 20 or 100-sided dice and add a modifier. Every die result and the total are displayed.
50/50Generators
Coin Flip
Flip a virtual coin once or in batches and track heads, tails and their distribution. Every flip uses the browser's secure random source.
WPMText
Typing Speed Test
Measure typing speed, accuracy, errors and corrected words per minute with a language-matched sample. Results update continuously while you type.
RETCalculators
Retirement & Savings Goal Calculator
Project savings to a target year and calculate the monthly contribution needed for a chosen final balance.
CARDCalculators
Credit Card Payoff Calculator
Calculate payoff time and interest cost for a card balance and compare the effect of a higher monthly payment.
DTICalculators
Debt-to-Income Calculator
Compare monthly debt payments with gross income and separate housing costs from other obligations.
50/30Calculators
Household Budget Calculator
Allocate net income across needs, flexible spending and savings and compare it with the 50/30/20 guideline.
CPICalculators
Inflation Calculator
Estimate future prices and real purchasing-power loss using a chosen annual inflation rate.
DEPCalculators
Depreciation Calculator
Compare straight-line and declining-balance depreciation with salvage value and a complete yearly schedule.
PV/FVCalculators
Present & Future Value Calculator
Convert an amount between present value and future value using a chosen rate and compounding frequency.
COMCalculators
Commission Calculator
Calculate commission, base pay, bonus and net revenue with a threshold and optional tiered rate.
IRRCalculators
IRR & Net Present Value Calculator
Calculate internal rate of return and net present value from a custom cash-flow series.
ฯCalculators
Statistics Calculator
Analyze numbers with mean, median, mode, quartiles and both sample and population spread.
P(A)Calculators
Probability Calculator
Calculate union and intersection for independent events plus exact binomial probabilities.
nCrCalculators
Permutation & Combination Calculator
Calculate arrangements and selections with or without repetition and show the formula used.
xยฒCalculators
Quadratic Equation Calculator
Solve axยฒ + bx + c and show the discriminant, real or complex roots and vertex.
โณCalculators
Triangle Calculator
Calculate area, perimeter, angles and heights from three sides and automatically validate the triangle inequality.
ฯrยฒCalculators
Area & Volume Calculator
Calculate area, perimeter, volume and surface area for circles, rectangles, cylinders, spheres and boxes.
GCDCalculators
Prime Factor, GCD & LCM Calculator
Factor integers into primes and calculate their greatest common divisor and least common multiple.
BF%Calculators
Body Fat Calculator
Estimate body-fat percentage with a circumference method and show fat mass and lean mass separately.
kgCalculators
Ideal Weight Comparison
Compare several established height-based formulas and a BMI reference range instead of presenting one target weight.
PACECalculators
Running Pace Calculator
Convert distance and time into pace, speed and projected finish times for common running distances.
mยณCalculators
Concrete Volume Calculator
Calculate concrete for a slab, wall or column including waste allowance, weight and standard bag count.
TILECalculators
Tile & Flooring Calculator
Calculate room area, tile count, packs and grout share with a selectable waste allowance.
V=IRCalculators
Ohmโs Law Calculator
Calculate voltage, current, resistance and power from any two known electrical values.
kWhCalculators
Electricity Cost Calculator
Calculate appliance energy use and cost per day, month and year including standby time.
ฯ=m/VCalculators
Density, Mass & Volume Calculator
Solve ฯ = m/V for any variable and convert automatically between g/cmยณ and kg/mยณ.
ยฐCCalculators
Feels-Like Temperature & Dew Point Calculator
Calculate dew point plus heat index or wind chill only within each modelโs valid weather range.
WORDText
Word Unscrambler
Analyze and edit text faster.
UNITCalculators
Unit Converter
Accurate results directly in your browser.
EARTHCalculators
Earth Curvature Calculator
Accurate results directly in your browser.
QRGenerators
QR Code Generator
Generate useful content securely.
PALDesign
Image Color Palette
Create colors and CSS visually.
TIMETime
Clocks, World Time & Timers
Keep track of time, zones and sessions.
ROICalculators
ROI Calculator
Accurate results directly in your browser.
VATCalculators
VAT Calculator
Accurate results directly in your browser.
METASEO
Meta Tag Generator
Prepare websites for search and publishing.
BOTSEO
robots.txt Generator
Prepare websites for search and publishing.
READText
Reading Time Calculator
Analyze and edit text faster.
123Text
Word & Character Counter
Analyze and edit text faster.
LIText
Lorem Ipsum Generator
Analyze and edit text faster.
MDDeveloper
Markdown to HTML
A practical helper for code and data.
REMDeveloper
PX to REM Calculator
A practical helper for code and data.
64Developer
Base64 Encoder/Decoder
A practical helper for code and data.
{ }Developer
JSON Formatter
A practical helper for code and data.
CSSDeveloper
CSS Minifier
A practical helper for code and data.
PWGenerators
Password Generator
Generate useful content securely.
GRDDesign
Gradient Generator
Create colors and CSS visually.
SHDDesign
Box Shadow Generator
Create colors and CSS visually.
RADDesign
Border Radius Generator
Create colors and CSS visually.
HEXDesign
Color Code Converter
Create colors and CSS visually.
AADesign
Contrast Checker
Create colors and CSS visually.
AaText
Case Converter
Convert text to upper, lower, title or sentence case.
FREQText
Word Frequency
Analyze how often each word appears in a text.
UNIQText
Remove Duplicate Lines
Remove duplicate, empty or repeated lines from text.
DIFFText
Text Diff Checker
Compare two texts line by line and highlight changes.
SLUGSEO
Slug Generator
Create clean, SEO-friendly URL slugs from text.
</>Developer
URL & HTML Encoder
Encode or decode URLs and HTML special characters.
UUIDDeveloper
UUID Generator
Generate secure version 4 UUIDs in your browser.
#Developer
Hash Generator
Calculate SHA-256, SHA-384 and SHA-512 hashes for text.
JWTDeveloper
JWT Decoder
Read the header and payload of a JSON Web Token locally.
%Calculators
Percentage & Discount Calculator
Calculate percentages, percentage change and discounts.
DATECalculators
Age & Date Calculator
Calculate age and the distance between two dates.
RNDGenerators
Random Number & Picker
Generate random numbers or pick an item from a list.
LOCAL
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Favorites, history and settings are stored only in your browser.
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