All Tools - Page 2
216 tools available
Page 2 of 9
Character Counter
Count words, characters, and paragraphs in your text easily using our free word counter tool.
Chmod Calculator
Convert Unix file permissions between symbolic (rwxr-xr-x), octal (755), and checkbox-grid notation. Supports special bits (setuid, setgid, sticky). Generates the exact chmod command for your shell.
CMYK to RGB & RGB to CMYK Converter
Free online CMYK to RGB and RGB to CMYK converter with real-time preview and a simple approximate conversion for designers and printers. Convert colors between CMYK (print) and RGB (digital) color spaces.
Color Blind Safe Palette Generator
Generate categorical colour palettes that stay distinguishable under protanopia, deuteranopia, tritanopia and greyscale. Constraint-based OKLab sampling with CIEDE2000 checks, WCAG contrast tables, auto-fix, and CSS/Tailwind/SCSS/JSON/SVG export.
Color Blindness Simulator
See how a foreground/background colour pair appears to users with different types of colour blindness. Test protanopia, deuteranopia, tritanopia and achromatopsia on your swatches.
Color Gradient Generator
Create stunning CSS gradients with multiple colors and directions. Generate linear and radial gradients with customizable color stops and angles.
Color Palette Generator
Generate beautiful color palettes from a base color using HSL adjustments. Ideal for UI design and development.
Color Shade & Tint Generator
Generate shades (darker) and tints (lighter) variations of any color. Perfect for creating cohesive color schemes and design systems.
Compress PDF
Reduce PDF file size by re-encoding the images inside the document. Three compression levels, page count and per-image statistics, and the text layer is never rasterised.
Conductance Converter
Convert between different electrical conductance units including siemens, millisiemens, microsiemens, and more
Contrast Checker
Check the contrast ratio between two colors to ensure accessibility (WCAG AA/AAA) compliance.
CORS Header Checker
Check CORS (Cross-Origin Resource Sharing) headers configuration for any website or API endpoint
Credit Card Validator & Test Number Generator
Validate credit card numbers with the Luhn algorithm, check a whole batch at once, and generate synthetic Luhn-valid test cards for 14 brands — all in your browser, with no data sent anywhere.
Cron Generator, Parser & Visualizer
Build, parse, and visualize any cron expression. See the next 10–100 fire times in any timezone, plus hour-of-day and day-of-week distribution charts. Powered by the cron-parser library — works for every standard expression, not just easy ones.
CSP Generator & Analyzer
Paste a Content-Security-Policy header and get a graded audit: every directive explained in plain English, findings ranked critical to info with the exact fix, and the traps that silently neutralise a policy — live 'unsafe-inline', missing base-uri, scheme-only script sources. Then build a new policy from strict presets, generate nonces and inline-script SHA-256 hashes, and copy it out as an nginx, Apache, Next.js, Cloudflare Pages, Express or snippet.
CSS Color Converter
Convert colors between HEX, RGB, HSL, HSV, and named colors. Generate color schemes and preview colors with CSS examples for web development.
CSS Formatter / Minifier
Beautify or minify CSS code. Format CSS for readability or compress it for production use. Useful for audits, email development, and optimization.
CSS Validator
Validate CSS stylesheets for syntax errors, deprecated properties, and performance issues. Get vendor-prefix suggestions and best-practice warnings. Perfect for front-end developers and designers.
CSV to HTML Converter
Convert CSV data to HTML table format with multiple input options. Paste CSV data, load from URL, or upload a file to convert to HTML table.
CSV to JSON Converter
Convert CSV data to JSON format with multiple input options. Paste CSV data, load from URL, or upload a file to convert to structured JSON.
CSV to TSV Converter
Convert CSV data to TSV (Tab-Separated Values) format with multiple input options. Paste CSV data, load from URL, or upload a file to convert to TSV.
CSV to XML Converter
Convert CSV data to XML format with multiple input options. Paste CSV data, load from URL, or upload a file to convert to structured XML.
CSV to YAML Converter
Convert CSV data to YAML format with multiple input options. Paste CSV data, load from URL, or upload a file to convert to human-readable YAML.
cURL Command Generator
Generate cURL commands easily with this online cURL command builder. Configure HTTP methods, headers, authentication, request body, and advanced options to create ready-to-use cURL commands. Perfect for API testing, debugging, and sharing HTTP requests.