Age Calculator
Find your exact age in years, months, and days.
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Percentage Calculator
Work out percentages, changes, and differences.
EMI Calculator
Plan your loan with a clear monthly repayment.
SIP Calculator
See how regular investments could grow over time.
Date Difference
Find the time between any two calendar dates.
JSON Formatter
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Age Calculator
Find your exact age in years, months, and days.
Percentage Calculator
Work out percentages, changes, and differences.
Discount Calculator
Know what you save and what you actually pay.
EMI Calculator
Plan your loan with a clear monthly repayment.
SIP Calculator
See how regular investments could grow over time.
CAGR Calculator
Measure the annual growth of an investment.
GST / VAT / Sales Tax Calculator
Add or remove transaction tax using country presets or your own rate.
Salary Calculator
Convert pay periods and calculate your salary hike.
BMI Calculator
Calculate adult BMI and a reference weight range.
Fuel Cost Calculator
Estimate fuel, trip costs, and your share of the ride.
Electricity Bill Calculator
Understand what your appliances cost to run.
Date Difference
Find the time between any two calendar dates.
Add Days to Date
Move a date forward or back by days, months, or years.
Working Days Calculator
Count working days with your schedule and holidays.
Business Days Calculator
Find a future or past business date.
Week Number Calculator
Find the ISO week, week dates, and day of year.
Time Duration Calculator
Calculate elapsed time, including overnight hours.
IST ↔ EST Converter
Compare India, New York, and other time zones.
Unix Timestamp Converter
Convert between timestamps and readable dates.
JSON Formatter
Make your JSON clean, readable, and easy to debug.
JSON Validator
Check JSON syntax and find errors quickly.
Base64 Encoder / Decoder
Encode text and files, or decode UTF-8 Base64.
JWT Decoder
Inspect token headers and payloads privately.
UUID Generator
Create secure random v4 identifiers in a click.
Regex Tester
Test patterns, explore groups, and try replacements.
URL Encoder / Decoder
Encode URLs and inspect query parameters.
HTML Formatter
Bring readable structure to your HTML markup.
CSS Minifier
Remove unnecessary CSS whitespace safely.
Color Converter
Move between HEX, RGB, and HSL colors.
Cron Expression Generator
Build a schedule and see upcoming run times.
Image Compressor
Smaller images, ready to share. No uploads needed.
JPG to PNG
Convert your JPEG images into PNG files.
PNG to WebP
Create lightweight WebP images from PNG files.
Image Resizer
Get the right image size for your next project.
Crop Image
Crop, rotate, and flip to find the perfect frame.
PDF Merge
Bring multiple PDFs together in the right order.
PDF Split
Extract the pages you need from a PDF.
Image to PDF
Turn your images into a neatly arranged PDF.
Word Counter
Count words, characters, and reading time as you type.
Character Counter
Keep track of characters, bytes, and text limits.
Case Converter
Switch between title, sentence, and code-friendly cases.
Remove Duplicate Lines
Keep your list tidy by removing repeated lines.
Sort Lines
Put your lines in alphabetical or numerical order.
Remove Empty Lines
Clean up blank lines and extra whitespace.
Text Difference
Compare two texts and see exactly what changed.
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Practical guides in English, with worked examples and common mistakes explained.
How to debug a JSON API response without losing important data
A worked JSON debugging workflow: isolate syntax errors, preserve large IDs, check data types, and distinguish formatting from schema validation.
Read the guide →Resize, convert, or compress? A practical workflow for web images
Choose the right order for cropping, resizing, converting, and compressing images, then check dimensions, transparency, and visual quality.
Read the guide →Calendar days, business days, and time zones: choosing the right calculation
Worked examples for elapsed days, inclusive dates, working days, and New York–India time conversion, with clear assumptions and checks.
Read the guide →Percentages, percentage points, and stacked discounts: which number should you compare?
Follow a fictional signup report and a two-discount price example to choose the right baseline, reproduce the calculation, and explain the result clearly.
Read the guide →Clean a pasted list without silently changing its meaning
A reproducible text-cleanup workflow for blank lines, duplicates, sorting, and comparison, with checks for case, whitespace, numeric formats, and Unicode.
Read the guide →FEELS LIKE HOME
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