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Popular tools this week
Handpicked utilities people open again and again.
Body Fat Calculator
Estimate your body fat percentage instantly using the U.S. Navy method — just enter a few body measurements, no scale needed.
Water Intake Calculator
Calculate your ideal daily water intake based on weight, activity level, and climate — free and instant.
Word to PDF Converter
Convert Word DOCX files to PDF online free, instantly and securely in your browser — no upload, no signup required.
Merge PDF
Combine multiple PDF files into a single document in seconds. Free, private, and runs entirely in your browser.
Split PDF
Split a PDF into separate files by page ranges or extract every page. Free, private, and fully browser-based.
Age Calculator
Calculate your exact age in years, months, and days instantly. Free and easy to use.
BMI Calculator
Calculate your Body Mass Index (BMI) and check your health category instantly.
Word Counter
Count words, characters, sentences, paragraphs, and reading time in real-time.
Case Converter
Convert text between UPPERCASE, lowercase, Title Case, camelCase, snake_case and more.
JPG PNG to PDF
Convert JPG and PNG images into a single PDF document in seconds. Free, private, and runs entirely in your browser.
PDF to JPG PNG
Convert PDF pages into high-quality JPG or PNG images. Free, private, and fully browser-based.
Percentage Calculator
Calculate percentages, percentage change, and ratios instantly. Free, fast, and easy to use.
Stopwatch & Timer
Free online stopwatch with lap times plus a countdown timer with an alert sound. No signup needed.
JSON Formatter & Validator
Format, minify, and validate JSON in real time with clear error messages and line numbers.
Base64 Encoder Decoder
Encode and decode Base64 text instantly with full Unicode support. Free and works in your browser.
UUID Generator
Generate random UUID v4 identifiers instantly. Bulk-generate up to 10 at once. Free and private.
QR Code Generator
Generate QR codes for URLs, text, and more instantly. Customize colors and size, then download as PNG.
Color Converter
Convert colors between HEX, RGB, and HSL with a live preview. Free and instant.
Image Compressor
Compress JPG and PNG images online to reduce file size without losing quality. Free and private.
Background Remover
Remove image backgrounds automatically in your browser using smart edge detection. Free and private.
Base64 to Image
Convert Base64-encoded data into viewable images and download them as PNG or JPG. Free and private.
EMI Calculator
Calculate monthly loan EMI, total interest, and total payment instantly. Free and accurate.
Tip Calculator
Calculate tip amounts, total bills, and per-person shares instantly. Free with quick tip presets.
CGPA Calculator
Calculate your CGPA from course credits and grade points easily. Supports multiple grading scales.
Password Generator
Generate strong, secure random passwords with customizable length and character types.
MD5 Generator
Generate MD5 hashes of any text instantly, with hash comparison. Free and private.
Unit Converter
Convert between length, weight, temperature, area, volume, speed, time, and data units. Free and instant.
Date Calculator
Calculate the exact duration between two dates or add and subtract days from any date. Free and instant.
Calorie Calculator
Calculate your daily calorie needs (TDEE) based on BMR, age, weight, height, and activity level.
Roman Numeral Converter
Convert numbers to Roman numerals and back instantly. Free, accurate, and easy to use.
Sleep Calculator
Find the best bedtime or wake-up time based on 90-minute sleep cycles so you wake up refreshed.
Standard Deviation Calculator
Calculate mean, variance, and standard deviation for sample or population data sets instantly.
Discount Calculator
Calculate the final price after a discount, how much you save, and the total with sales tax.
Mortgage Calculator
Estimate monthly mortgage payments including principal, interest, property tax, and insurance.
Compound Interest Calculator
Calculate compound interest growth with monthly contributions and multiple compounding frequencies.
VAT Calculator
Add or remove VAT/GST from any amount at your local rate. Free, instant, and accurate.
Image Resizer
Resize JPG, PNG, and WebP images online by dimensions while keeping the aspect ratio. Free and private.
Image to Base64
Convert images to Base64 data URIs for HTML, CSS, and code. Copy or download instantly. Free.
Barcode Generator
Generate Code 128 and EAN-13 barcodes as SVG with custom colors and sizes. Free and private.
Regex Tester
Test and debug regular expressions in real time with match highlighting, groups, and presets.
Unix Timestamp Converter
Convert Unix timestamps to human-readable dates and dates back to timestamps. Free and instant.
URL Encoder Decoder
Encode and decode URLs and URL components for safe use in browsers and APIs. Free and instant.
JSON to CSV
Convert JSON arrays to CSV and CSV back to JSON with headers and custom separators. Free.
Binary Converter
Convert numbers between decimal, binary, octal, and hexadecimal with instant results and copy.
Slug Generator
Generate SEO-friendly URL slugs from any text instantly with separator and formatting options.
Diff Checker
Compare two texts side by side and highlight added and removed lines instantly. Free.
HTML Escape Unescape
Escape or unescape HTML special characters for safe embedding in pages and templates.
Lorem Ipsum Generator
Generate lorem ipsum placeholder text by paragraphs, sentences, or words. Free and instant.
Number to Words
Convert numbers to English, Bangla, and Hindi words, including currency amounts. Free and instant.
Hash Generator
Generate MD5, SHA-1, SHA-256, SHA-384, and SHA-512 hashes of any text instantly. Free and private.
Password Strength Checker
Check how strong your password is with a live score, entropy estimate, and improvement tips.
Add Page Numbers to PDF
Add page numbers to any PDF in seconds. Choose position, format, and margins. Free and private.
Add Watermark to PDF
Add text or image watermarks to your PDF documents with adjustable size, position, and opacity.
Excel to PDF
Convert Excel spreadsheets (XLSX/XLS) into clean PDF documents. Free, private, and browser-based.
PowerPoint to PDF
Convert PowerPoint (PPTX) presentations into PDF slides. Free, private, and fully browser-based.
Color Picker from Image
Pick exact colors from any image and copy HEX, RGB, or HSL values. Free and private.
Convert Image Format
Convert images between JPG, PNG, WebP, and HEIC formats with quality control. Free and private.
HEIC to JPG
Convert HEIC/HEIF photos (iPhone format) to JPG online. Free, private, and fully browser-based.
Image to Text (OCR)
Extract text from images and screenshots using free, private, in-browser OCR. No upload needed.
QR Code Scanner
Scan QR codes using your camera or from an uploaded image. Free, private, and instant.
Text Case Converter
Convert text between 10 cases: UPPERCASE, lowercase, Title Case, camelCase, snake_case, and more.
Random Number Generator
Generate random numbers with custom range, count, uniqueness, and decimals. Free and instant.
Scientific Calculator
Full-featured scientific calculator with trig, logarithms, powers, roots, and constants.
Simple Interest Calculator
Calculate simple interest, maturity amount, and monthly payments for any loan or deposit.
Average Calculator
Find the mean, median, mode, and range of any data set instantly. Free and private.
Fraction Calculator
Add, subtract, multiply, and divide fractions with simplified results, decimals, and percentages.
Percentage Change Calculator
Calculate percentage increase or decrease between two values, or apply a percent change to any number.
Pregnancy Due Date Calculator
Estimate your due date from your last period, conception date, or due date, with current week and trimester.
Dog Age Calculator
Convert your dog\u2019s age to human years with a science-based formula adjusted for breed size.
Margin Calculator
Calculate gross profit, profit margin, and markup from cost and price, or find the right selling price.
Salary Calculator
Convert between hourly, weekly, monthly, and annual pay with custom work hours. Free and instant.
Savings Calculator
Project your savings growth with monthly contributions, or find how long it takes to reach a savings goal.
Grade Calculator
Calculate your weighted final grade and find the score needed on a final exam to reach a target grade.
TOTP Authenticator
Generate 2FA codes (TOTP) from any Base32 secret with a live 30-second countdown. Free and private.
Markdown to HTML
Convert Markdown to clean HTML with a live preview and one-click copy. Free and private.
Reading Time Calculator
Estimate how long it takes to read any text with word counts, characters, sentences, and speed options.
Rotate PDF
Rotate all pages or a single page of any PDF by 90, 180, or 270 degrees. Free, private, no upload.
Image Cropper
Crop JPG, PNG, and WebP images with a drag-to-select frame, aspect ratios, and instant download.
Length Converter
Convert meters, kilometers, miles, feet, inches and more instantly. Free online length converter with exact results.
Temperature Converter
Convert between Celsius, Fahrenheit, Kelvin and Rankine instantly. Free temperature converter for weather and science.
Weight Converter
Convert kilograms, pounds, grams, ounces, stones and tons instantly. Free weight and mass conversion tool.
Speed Converter
Convert km/h, mph, m/s, knots and more instantly. Free speed converter for driving, flying and physics.
Data Storage Converter
Convert between bits, bytes, KB, MB, GB, TB and PB instantly with decimal and binary modes. Free tool.
Ratio Calculator
Simplify ratios, find missing ratio terms and split quantities in a ratio. Free online ratio calculator.
Long Division Calculator
Solve long division with remainders and step-by-step work shown. Free long division solver for homework.
Multiplication Table Generator
Generate printable multiplication tables for any number up to any range, plus a complete 1-12 chart. Free.
Loan Calculator
Calculate monthly payments, total interest and see a full amortization schedule. Free loan calculator with extra payment.
CAGR Calculator
Calculate compound annual growth rate between two values, or project future value. Free investment tool.
ROI Calculator
Calculate return on investment, net gain and annualized ROI for any investment. Free online ROI calculator.
AES Encrypt & Decrypt
Encrypt or decrypt text with AES-256 encryption using a password. 100% free, private, runs in your browser.
HTML to Markdown Converter
Convert HTML to clean Markdown instantly. Free converter for blog posts, emails and documentation.
CSS Minifier
Minify CSS instantly to speed up your website. Free CSS compression with size savings shown in real time.
Image Filters
Apply grayscale, sepia, blur, invert and custom adjustments to any image. Free online photo filter tool.
Delete PDF Pages
Remove unwanted pages from a PDF file online. Free, fast, and private. Select pages to delete and download.
Protect PDF
Add a password to a PDF file to protect it. Free online PDF password protection, files never leave your device.
Trending tools
What the community is opening today.
Merge PDF
Combine multiple PDF files into a single document in seconds. Free, private, and runs entirely in your browser.
Split PDF
Split a PDF into separate files by page ranges or extract every page. Free, private, and fully browser-based.
HEIC to JPG
Convert HEIC/HEIF photos (iPhone format) to JPG online. Free, private, and fully browser-based.
Simple Interest Calculator
Calculate simple interest, maturity amount, and monthly payments for any loan or deposit.
UUID Generator
Generate random UUID v4 identifiers instantly. Bulk-generate up to 10 at once. Free and private.
Stopwatch & Timer
Free online stopwatch with lap times plus a countdown timer with an alert sound. No signup needed.
Built to respect your time
No accounts, no clutter, no waiting — just the tool you came for.
Lightning Fast
Every tool loads instantly, right in your browser.
Privacy First
Your files and data never leave your device.
No Ads During Usage
A clear, focused workspace while you work.
Mobile Friendly
Every tool adapts perfectly to any screen.
Instant Results
No waiting, no loading spinners, just answers.
Always Free
Every tool, every feature, at no cost — ever.
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