Most Popular Online Tools
The tools people reach for most often here: loan and EMI maths, image compression, PDF merging, JSON formatting and password generation. Every one runs in your browser.
Age Calculator
Find your exact age in years, months, days, hours and minutes.
Click Speed Test
Measure your clicks per second over 1 to 60 seconds.
Image Compressor
Shrink JPG, PNG and WebP files without leaving your browser.
Merge PDF
Combine several PDF files into one, in the order you choose.
Word Counter
Live word, character, sentence and paragraph counts as you type.
JSON Formatter
Format, validate and explore JSON with precise error reporting.
Unit Converter
Convert length, weight, temperature, volume, speed and more.
QR Code Generator
Create QR codes for links, Wi-Fi, contacts and text.
Password Strength Checker
Measure real password strength, not just character variety.
Unix Timestamp Converter
Convert Unix timestamps to dates and back, in any unit.
SERP Snippet Preview
See how your page will look in Google search results.
File Hash Generator
Verify downloads with SHA-256, SHA-1, MD5 and CRC-32 checksums.
Number to Words Converter
Spell out numbers in words, international or Indian scale.
Percentage Calculator
Solve every common percentage question in one place.
Spacebar Counter
Count spacebar presses and measure your spacebar speed.
Image Resizer
Change image dimensions by pixels or percentage, in your browser.
Split PDF
Split a PDF into separate files by page range or every N pages.
Character Counter
Count characters with and without spaces, against platform limits.
Base64 Encoder
Encode text to Base64, with UTF-8 and URL-safe support.
Temperature Converter
Convert Celsius, Fahrenheit, Kelvin, Rankine and Réaumur.
UUID Generator
Generate v4 and v7 UUIDs in bulk, cryptographically random.
Current Unix Timestamp
The live Unix timestamp right now, in every unit.
Discount Calculator
Find the sale price, the amount saved and the real discount.
Reaction Time Test
Measure your reaction time in milliseconds over five rounds.