Access 95 high-performance utilities designed for speed, security, and local-first privacy.
Calculate and graph engine air consumption (g/s, L/min) to validate MAF sensor readings
Diagnose engine health using MOT emissions (CO, HC, Lambda) and O2 sensor voltage readings
Calculate top speed in each gear based on tire size, ratios, and RPM
Calculate required injector flow rate (CC/min) based on target HP and fuel type
Compare tire dimensions and speedometer error between two setups
Step-by-step diagnostic guide for troubleshooting automotive electrical issues
Generate professional PDF receipts for any purchase, split by vehicle registration.
Generate professional PDF service records and maintenance checklists for your vehicle.
Calculate investment growth with compounding interest
Detailed 2025/26 take-home pay with pension and student loans
Calculate profit margins, markups, and VAT for business pricing
Deep financial comparison between home ownership and renting
Generate a full loan amortization schedule
Calculate asset depreciation over time
Calculate return on investment and annualized returns
Calculate the impact of inflation on purchasing power
Calculate how much to save monthly to reach your goal
Calculate time and interest to pay off credit card debt
Calculate expected value (EV) and visualize risk/reward scenarios with probability weighting
Deconstruct and analyze URL components and parameters
Convert raw cURL commands into clean JavaScript fetch() or axios snippets
Interactive reference for HTTP response status codes
Analyze HTTP response headers for security best practices
Detect and deconstruct browser user agent strings
Check if a website or IP address is online and responding
Lookup and analyze DNS records (A, MX, TXT, etc.) for any domain
Inspect SSL/TLS certificates for any domain, check expiration and issuer
Calculate network range, mask, and host capacity for any IPv4 subnet
Find your public IP address and lookup WHOIS/RDAP data for domains and IPs
Preview how your website looks when shared on social media (WhatsApp, X, Discord)
Detailed GeoIP and network data for your connection
Test REST APIs, inspect responses, and debug headers directly from your browser
Safely defang URLs for sharing or refang them back to clickable links
Convert images into scalable pixel art SVG grids
Convert images and files to Base64 strings or Data URIs
Create custom QR codes for any text or link
Create standard web icons from any image
Pick HEX/RGB colors directly from your images
Upload and instantly recolor SVG vector files
Resize SVG files by modifying width and height attributes while preserving aspect ratio
Format, validate, and beautify JSON data
Format, beautify, and validate XML data
Format, beautify, and minify HTML code
Format, beautify, and minify CSS styles
Format, beautify, and minify JavaScript/TypeScript code
Format and beautify SQL queries
Format and beautify DAX formulas for Power BI
Format and beautify Power Query (M) code
Format and beautify complex Excel formulas
Create professional charts from your data
Generate MD5, SHA-1, SHA-256 hashes
Generate unique identifiers (UUIDs)
Generate realistic fake data for testing
Generate TypeScript interfaces from JSON
Generate placeholder text for layouts
Generate strong, secure passwords
Generate encrypted password strings for Apache/Nginx basic authentication
Build safe, shareable FFmpeg commands and batch scripts for remuxing, re-encoding, audio conversion, and language-based stream selection.
Create stylized text banners for consoles
Create custom Shields.io badges for your repositories
Generate and validate .gitignore files for your projects
Convert between binary, octal, decimal, hex
Convert Unix timestamps to dates
Convert URL query strings to structured JSON
Convert JSON objects to YAML format
Convert .env variables to Netlify TOML format
Instantly convert data between JSON and CSV formats
Convert between CSV data and Markdown table formats
Convert YAML configuration to JSON format
Convert XML documents into JSON objects
Count words, characters, and reading time
Convert text between various letter cases
Generate SEO-friendly URL slugs
Compare two texts and find differences
Remove duplicate lines from text
Remove extra spaces and empty lines
Convert text to binary and vice versa
Translate text to Morse code and back
Encode text with ROT13/5/18/47 ciphers
Sort lists alphabetically, numerically, or by length
Shuffle lists or pick random items from a set
Batch find and replace text with precision
Live preview Markdown with syntax highlighting
Convert colors between HEX, RGB, HSL, and CMYK
Convert between px, rem, em, and other CSS units
Create harmonious color schemes, pick HEX/RGB colors, and check contrast ratios
Convert between Length, Weight, Temperature, Area, Volume, Speed, and Data units
Build, test, and debug regular expressions with a library of common patterns
Pivot and summarize CSV data instantly
Easily generate cron expressions with a user-friendly interface
Calculate and lock dimensions for images and video