96 tools
See how your savings grow with compound interest and regular contributions.
Model mortgage payments with grace periods, staged rates, and equal-payment or equal-principal repayment.
Calculate the monthly payment, total interest, and total cost of any fixed-rate loan.
Split shared expenses among a group and see who owes whom the least transfers.
Work out the tip and split the bill between any number of people.
Find the sale price and how much you save, with optional sales tax.
Work out percentages, ratios and percent change in one place.
Add tax to a price, or extract the tax already included in a total.
Calculate hourly, daily, weekly, monthly and annual gross pay.
See how long monthly investing takes to reach a savings target.
Calculate return on investment and the annualized (CAGR) return.
See how long a fixed monthly payment takes to clear your card, and the interest cost.
Calculate total return and annualized return (CAGR) between a starting and ending value.
Convert numbers between binary, octal, decimal and hexadecimal.
Convert numbers to Roman numerals and back, from 1 to 3999.
Convert between metric and imperial length units.
Convert between kilograms, pounds, ounces, grams and more.
Convert between Celsius, Fahrenheit and Kelvin.
Convert between bytes, KB, MB, GB, TB and binary units.
Convert between liters, milliliters, gallons, cups and more.
Convert between km/h, mph, m/s, knots and more.
Convert between square meters, acres, hectares and more.
Beautify, minify, and validate JSON with clear error messages.
Encode text to Base64 or decode Base64 back to text, with URL-safe support.
Turn any text or link into a downloadable QR code image.
Test regular expressions live, see every match and capture group, and preview replacements.
Convert CSV to JSON and JSON back to CSV, both directions.
Generate strong, random passwords with configurable length and character sets.
Write Markdown and see the rendered result live, side by side.
Find the location, ISP and network details of any IP address.
Decode and inspect the header and payload of a JSON Web Token.
Convert JSON to YAML and YAML to JSON with error reporting.
Minify CSS to shrink it or beautify it for readability.
Percent-encode text for safe use in URLs, or decode encoded URLs back to text.
Compute SHA-1, SHA-256, SHA-384, and SHA-512 hashes of any text.
Break down a crontab expression into fields and preview the next run times.
Look up A, AAAA, CNAME, MX, TXT, NS and SOA records for any domain.
Generate cryptographically random version-4 UUIDs in bulk.
Searchable table of LaTeX math symbols and their commands. Click to copy.
Write LaTeX math with a live preview and a click-to-insert symbol palette.
Build GitHub-flavored Markdown tables in a visual grid and copy the code.
Design a table visually and copy a ready-to-paste LaTeX tabular environment.
Create an HTML table in a visual grid and copy clean, semantic markup.
Format and beautify SQL queries for MySQL, PostgreSQL and more.
Convert Unix file permissions between octal and rwx symbolic notation.
Beautify or minify XML and catch mismatched tags.
Beautify and indent HTML, CSS and JavaScript.
Escape and unescape HTML entities like &, < and >.
Run JSONPath expressions against JSON and see the matches.
Escape and unescape backslash sequences like \n, \t and \".
Compress text to gzip (Base64) and decompress it back.
Count words, characters, sentences, lines, and estimated reading time.
Compare two texts line by line and highlight what was added or removed.
Generate placeholder text by paragraphs, sentences or words.
Convert text between UPPER, lower, Title, Sentence, camelCase, snake_case and kebab-case.
Turn any title into a clean, URL-safe slug.
Compare two lists to find common, unique and combined items.
Calculate exact age in years, months, and days from a date of birth.
Find the number of days, working days, and the y/m/d span between two dates.
Convert a date and time from one time zone to another.
Convert Unix timestamps to human-readable UTC dates and see the current epoch time.
Set a countdown for any duration and get an alarm when time runs out.
Focus in 25-minute sprints with short breaks — a customizable Pomodoro timer.
See the current time in major cities around the world at a glance.
Find public holidays by country and region, then download a calendar file.
Convert between currencies using live exchange rates, with a manual fallback.
Check the live price of Bitcoin, Ethereum and more in your currency.
Calculate your Body Mass Index (BMI) from height and weight, in metric or imperial units.
Generate shades, tints and color harmonies from any base color.
Convert colors between HEX, RGB and HSL with a live preview.
Blend two colors at any ratio and see the fused result and gradient.
Identify the nearest named color and every code for any color.
Convert images between PNG, JPEG and WebP right in your browser.
Shrink JPEG and WebP file size with an adjustable quality slider.
Resize images by pixels or percentage, with optional aspect-ratio lock.
Crop an image to an exact rectangle by pixel coordinates.
Tune brightness, contrast, saturation and grayscale with live preview.
Convert iPhone HEIC and HEIF photos to JPEG in your browser.
Add a text watermark to your image — position, size, color and opacity.
Split an image into an even grid of tiles and download each piece.
Convert an image to a Base64 data URI, or decode a data URI back to an image.
Look up the current temperature and conditions for any city.
Extract selectable PDF text into an editable Word document.
Combine several PDF files into one, in the order you choose.
Split a PDF by page ranges or into fixed-size chunks.
Convert each PDF page into a JPG or PNG image you can download.
Combine JPG and PNG images into a single PDF, in your order.
Reorder and delete PDF pages visually, then save a new file.
Rotate all or individual PDF pages and save the result.
Pick the pages you want and save them as a new PDF.
Draw your signature and stamp it onto a PDF page.
Add a text watermark across your PDF pages — angle, opacity and tiling.
Stamp page numbers onto a PDF with position and format options.
Extract the text content from a PDF and copy or download it.
Trim the margins of every PDF page by a percentage.
Pull the embedded images out of a PDF and download them as PNG.
