Macro Calculator
Calculate your daily protein, carbs, and fat intake based on your calorie goal.
Markdown Live Preview
Split-pane Markdown editor with real-time rendered preview, a formatting toolbar, and support for the full Markdown spec.
Markdown Table Generator
Build Markdown tables visually — set columns and rows, type data, choose alignment per column, and get ready-to-use table syntax.
Markdown to HTML Converter
Convert Markdown syntax to clean HTML instantly — supports headings, lists, tables, code blocks, and more.
Markup Calculator
Calculate selling price from cost and markup percentage, or find the markup from cost and price.
Matrix Calculator
Add, multiply, and find determinants of 2×2 and 3×3 matrices with step-by-step results.
Meta Tag Generator
Generate complete HTML meta tags for SEO and social sharing — including Open Graph and Twitter Card — with a live Google snippet preview.
Mind Map Generator
Create interactive mind maps with a central topic and branching nodes. Drag nodes to reposition, click to select a parent, and export as PNG.
Morse Code Audio Player
Convert any text to Morse code and play it as audio beeps using the Web Audio API. Displays visual dot/dash representation with adjustable speed.
Morse Code Converter
Convert text to Morse code and back
Mortgage Calculator
Calculate monthly mortgage payments, total interest, and view an amortization schedule.
Number Base Converter
Convert numbers between decimal, binary, octal, hexadecimal, and any custom base from 2 to 36. Instant live conversion.
Ohm's Law Calculator
Calculate voltage, current, or resistance using Ohm's Law (V = I × R). Enter any two values.
One Rep Max Calculator
Calculate your one-rep max (1RM) using the Epley formula from weight and reps.
Online Drawing Board
A simple browser-based drawing board with brush, eraser, color picker, and adjustable brush sizes. Draw freely and download your artwork as PNG.
PNG to BMP Converter
Convert PNG images to BMP format
PNG to JPG Converter
Convert PNG images to JPG format instantly
Paraphrasing Helper
Click any word in your text to see synonym suggestions from a built-in 200+ word dictionary — no AI required.
Password Generator
Generate strong random passwords
Password Strength Checker
Analyze any password's strength with a detailed criteria checklist and score.
Percentage Calculator
Calculate percentages easily
Pixel Color Picker
Upload an image and hover to see the exact color of any pixel in HEX, RGB, and HSL formats. Features a magnifier loupe and click-to-copy color values.
Placeholder Image Generator
Generate custom placeholder images with any size, background color, text color, and label. Download as PNG or JPEG instantly.
Plagiarism Text Comparison
Compare two texts side-by-side and get an instant similarity score with highlighted matching phrases.