Calculate your cryptocurrency profit or loss with ROI percentage based on buy and sell prices.

Plan your Dollar Cost Averaging strategy with investment amount, frequency, and duration.

Calculate monthly payments, total interest, and view amortization schedule for any loan.

See how your money grows over time with compound interest at different frequencies.

Convert between 150+ world currencies with real-time exchange rates.

Calculate stock investment returns with total ROI, annualized return, and CAGR metrics.

See how inflation affects purchasing power using US CPI historical data.

Calculate tip amount and split the bill between multiple people with quick presets.

Calculate gross margin, markup, and profit. Find selling price from target margin.

Calculate returns on your Systematic Investment Plan with visual breakdown.

Calculate final price and savings after applying single or multiple percentage discounts.

Count words, characters, sentences, paragraphs, and estimate reading time.

Count characters with and without spaces, plus letter frequency analysis.

Convert text to uppercase, lowercase, title case, sentence case, or toggle case.

Generate placeholder lorem ipsum text for your designs and mockups.

Remove unwanted line breaks and text wrapping. Clean up text from PDFs, emails, and formatted documents.

Create secure random passwords with customizable options and strength meter.

Convert text to spoken words using browser voices with speed and pitch controls.

Format, validate, and beautify JSON with syntax highlighting.

Encode and decode text to and from Base64 format instantly.

Encode and decode URLs and query strings safely.

Convert between HEX, RGB, and HSL color formats with live preview.

Generate QR codes for URLs, text, and contact information.

Convert numbers between decimal, binary, octal, and hexadecimal formats instantly.

Merge multiple PDF files into one. Rearrange pages and download the merged PDF.

Scan QR codes using your camera or upload an image. Instantly decode URLs and text.

Calculate your exact age in years, months, and days. Get a countdown to your next birthday.

Calculate your Body Mass Index (BMI) and check your health category with visual scale.

Find optimal sleep and wake times based on 90-minute sleep cycles.

Calculate percentages: X% of Y, what % X is of Y, and percentage change between values.

Calculate Fibonacci numbers, view the full sequence, and explore the golden ratio approximation.

Convert time between any two time zones worldwide. Perfect for scheduling across regions.

Convert length, weight, temperature, speed, area, and volume between metric and imperial units.

Count down to any date and time. Perfect for events, deadlines, and reminders.

Measure elapsed time with millisecond precision, start/stop/reset, and lap functionality.

Compress images with adjustable quality. Reduce file size while maintaining quality.

Resize images to specific dimensions or by percentage. Maintain aspect ratio option available.

Crop images with precision. Choose aspect ratios or free-form crop, preview, and download.

Generate random numbers within a range. Customize count, duplicates, sorting, and decimals.

Convert JSON arrays to CSV format. Handles nested objects by flattening keys with dot notation.

Create beautiful CSS gradients with live preview. Choose colors, direction, and copy CSS code.

Convert text to binary and vice versa. Includes ASCII reference table for common characters.

Live markdown editor with instant preview. Write markdown and see rendered HTML in real-time.