Small tools that just work.
No sign-ups, no uploads, no subscriptions. Every feature is free. Files stay on your device.
Finance
EMI Calculator
Find EMI, loan amount, or tenure from what you know.
GST Calculator
Add or remove GST at any slab, instantly.
SIP Calculator
Monthly amount or a target โ find future value or the monthly needed.
Percentage Calculator
What is X% of Y, reverse percent, or percent change.
VAT / Sales Tax Calculator
Add or remove VAT or sales tax. Reverse from tax or find the rate.
Compound Interest Calculator
Future value or the principal needed for a target.
Discount Calculator
Sale price, original, or percent off โ from what you know.
Salary Calculator
Hourly, monthly or yearly โ convert what you know.
Salary Hike Calculator
New pay, or the percent, from what you know.
Tip Calculator
Tip, total, or split โ from the bill you have.
BMI Calculator
Body mass index from metric or imperial units.
Calorie Calculator
BMR and daily calories from what you know.
Profit Margin Calculator
Margin, markup, or the missing price.
CAGR Calculator
Find CAGR, future value, or starting amount.
Inflation Calculator
Future value or equivalent purchasing power.
Simple Interest Calculator
Interest, principal, rate, or time from what you know.
GPA Calculator
Weighted GPA from grades and credits. 4.0 scale.
Fuel Cost Calculator
Trip cost from distance, economy, and price.
Rule of 72
Years to double, or the rate, from what you know.
Break-Even Calculator
Units, price, or contribution from what you know.
Weighted Average
Value ร weight rows. One average.
PDF Compressor
Shrink pictures in a PDF. Text stays selectable.
Merge PDF
Join PDFs in order. Download one file.
Split PDF
Keep a page range. Download that PDF.
Images to PDF
JPG, PNG or WebP into one PDF.
Organize PDF
Rotate, reorder or drop pages. No upload.
PDF to Images
Each page as JPG or PNG. Download here.
Watermark PDF
Stamp text on every page. Free.
Image
Image Compressor
Shrink JPG/PNG/WebP in your browser. Batch, paste, no upload.
Image Crop
Drag a box. Download the crop. No upload.
Image Resizer
Resize images in the browser. No upload.
Image Converter
JPG, PNG or WebP. Convert in the browser.
Image Rotate
90ยฐ steps or any angle. Download PNG.
EXIF Remover
Strip location and camera tags. Re-encode locally.
Image to Base64
File to a data URL. Stays in this tab.
Generators
QR Code Generator
Make QR codes for links, text, UPI and Wi-Fi.
Password Generator
Random passwords in the browser. Copy once.
Invoice Generator
From, to, line items, optional logo. Download a PDF.
Invitation Card Maker
Eighty-plus layouts. Edit every line. Download a PNG.
WhatsApp Link Generator
wa.me link with a pre-filled message.
vCard Generator
Name, phone, email. Download .vcf.
ICS Event Generator
Download a calendar .ics file.
Lorem Ipsum Generator
Placeholder paragraphs. Copy and go.
CSS Gradient Generator
Two-stop linear gradient. Copy the CSS.
CSS Box Shadow
Offset, blur, spread, color. Copy the CSS.
CSS Border Radius
Four corners. Preview and copy the CSS.
Placeholder Image
Solid PNG at a size you pick. Download.
Random Number Generator
Integers in a range. Web Crypto.
Dice Roller
NdS dice. Web Crypto. Not for gambling.
Coin Flip
Heads or tails. Web Crypto.
Dev
JSON Formatter
Pretty-print or minify JSON. Validates in the browser.
Word Counter
Words, characters, sentences, reading time.
Regex Tester
Test a JavaScript regular expression against text.
JWT Decoder
Read header and payload. Does not verify signatures.
Base64 Encode / Decode
Encode or decode Base64 text instantly.
Hash Generator
SHA-256 and SHA-1 in the browser.
UUID Generator
v4 UUIDs from Web Crypto.
Unix Timestamp Converter
Epoch seconds to date, and date to epoch.
Find and Replace
Find text and replace it. Stays in this tab.
Text Compare
Line-by-line diff of two texts.
Markdown to HTML
Headings, bold, links. Naive convert.
CSV to JSON
Paste CSV, get JSON. First row is headers.
JSON to CSV
Paste a JSON array of objects. Get CSV.
URL Encoder / Decoder
encodeURIComponent and back.
HTML Encoder / Decoder
Escape or unescape HTML entities.
HTML Formatter
Indent HTML tags. Copy and go.
CSS Minifier
Strip comments and extra whitespace. Copy.
JS Minifier
Strip comments and extra space. Copy.
Slug Generator
URL slugs from a title. Copy and go.
UTM Builder
Campaign URLs. Copy the link.
Meta Tag Generator
Title, description, OG tags. Copy the HTML.
robots.txt Generator
User-agent, Disallow, Sitemap. Copy the file.
Cron Expression Explainer
Five-field cron in plain English.
Case Converter
lower, UPPER, Title, camel, snake, kebab.
Strip HTML Tags
Paste HTML, get visible text. Copy.
Extract Emails
Pull email addresses out of text.
Mailto Link Generator
to, subject, body. Copy the link.
Line Sorter
Sort, reverse, or drop duplicate lines.
Word Frequency
Count how often each word appears.
Remove Line Breaks
Join wrapped lines into a paragraph.
PX to REM
Pixels and rem, from a root font size.
Binary / Hex / Decimal
Convert between binary, hex and decimal.
ASCII Converter
Characters to codes and back.
Reverse Text
Flip characters or words. Copy and go.
Caesar Cipher
Shift letters. ROT13 is shift 13.
Converters
Unit Converter
Length, weight, temperature, volume.
Age Calculator
Exact age in years, months and days.
Time Zone Converter
Same instant in several cities.
Color Converter
HEX, RGB and HSL. Live preview.
Date Difference
Days, months and years between two dates.
Days Until
How many days until a date โ or since.
Working Days Calculator
Weekdays between two dates. Weekends skipped.
Hours Calculator
Add durations, or elapsed time between two clocks.
Add Days
Add or subtract days from a date.
Cooking Converter
Cups, tablespoons, teaspoons and millilitres.
Lakh / Crore Converter
Indian numbering to millions, and back.
File Size Converter
Bytes, KB, MB, GB. SI or 1024.
Sleep Calculator
Bedtimes and wake times in 90-minute cycles.
Due Date Calculator
EDD from last period. Naegeleโs rule.
Ovulation Calculator
Fertile window from last period. Estimate.
Pace Calculator
Pace, time, or distance from what you know.
Water Intake Calculator
Daily water from body weight. A rule of thumb.
Ideal Weight Calculator
Devine formula from height. Estimate only.
Body Fat Calculator
US Navy method. Estimate only.
Heart Rate Zones
Training zones from age. 220 minus age.
One-Rep Max
Epley estimate from weight and reps.
Contrast Checker
WCAG contrast ratio between two colors.
Complementary Color
Opposite hue on the color wheel. Copy HEX.
Number to Words
Spell out a number in English. Copy and go.
Roman Numerals
Arabic to Roman and back. I to MMMCMXCIX.
Aspect Ratio Calculator
Find height, width, or the ratio.
Week Number
ISO week and day of year from a date.
Leap Year Checker
Gregorian leap year? Yes or no.
Fraction Calculator
Add, subtract, multiply or divide two fractions.
Area Calculator
Rectangle, circle or triangle. Any unit.
Volume Calculator
Cube, sphere or cylinder. Any unit.
Mean Median Mode
Average, median and mode from a list.
Standard Deviation
Sample or population ฯ from a list.
Download Time Calculator
How long a file takes at a given speed.
Morse Code
Text to Morse and back. Copy and go.
NATO Phonetic Alphabet
Spell words as Alpha, Bravo, Charlie.
GCD and LCM
Greatest common divisor and least common multiple.
Quadratic Equation Solver
Real roots of axยฒ + bx + c = 0.
Permutation Combination
nPr and nCr from n and r.
Pythagorean Theorem
Find a, b, or c on a right triangle.
Scientific Notation
Number โ a ร 10โฟ. Copy and go.
FAQ
Are pintnet tools really free?
Yes. Every feature on every tool is free. There is no account and no subscription. Ads may appear after a job later; they will not lock the tool.
Do you upload my files?
No. Compressors, converters and generators run in this browser. Optional live send is different: both devices stay on the page, the file is encrypted first, and pintnet does not keep a copy.
Do I need to sign up?
No. Open a tool and use it.
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