Color Tools
Comprehensive color picker with variations and manual adjustments
Change the color's hue
Simulate how colors appear to people with color blindness
Check color contrast ratio for web accessibility (WCAG)
Text Tools
Encode and decode Base64 strings and files online
Convert text to a variety of scenarios
Create dummy text for lorem ipsum in HTML, markdown, or plain text
Markdown editor online with real-time preview
Encoder Tools
Encode and decode Base64 strings and files online
Generate cryptographic hashes from text or files online
Decode and inspect JWT tokens online
Encode and decode URLs and URL components online
QR Code Tools
Create a Bitcoin QR code
Create a QR code for an email
Create a QR code for your phone
Decode the information of a QR code from a picture
Browser Tools
Examine the browser you're using
Test and debug browser clipboard API functionality in real-time
Monitor battery status, network conditions, and device capabilities in real-time
Generate SEO-optimized meta tags for search engines and social media
Finance Tools
Calculate Compound Annual Growth Rate and its components
Calculate hourly rate based on annual salary and working time
Formatter Tools
Convert text to a variety of scenarios
Minify or beautify CSS code online
Minify or beautify HTML code online
Minify or beautify JavaScript code online
CSS Tools
Find the closest CSS color name for any color code
Create standard CSS keyframe animations with visual preview.
Generate CSS border radius code with real-time visual preview.
Create box shadows with CSS code
PDF Tools
Reduce PDF file size while maintaining quality online
Convert images to PDF documents online
Merge multiple PDF files into one document online
Convert PDF pages to JPG images online
Cron Tools
Free cron expression parser. Convert cron syntax to human-readable text with instant explanations, field breakdown, and examples.
Free visual cron expression generator. Build schedules with presets, custom fields, and instant preview.
Validate cron expressions online. Check syntax, get readable explanations, and preview next run times.
Convert cron job schedules between different timezones. See when your server cron job runs in your local time.
Image Tools
Create a JPG or PNG file with a gradient color image
Compress and optimize images online for web and mobile
Easily crop images and download in JPG or PNG format
Convert images between PNG, JPG, and WebP formats online
Security Tools
Generate cryptographic hashes from text or files online
Decode and inspect JWT tokens online
Create passwords that are both strong and easy to remember
Create long and safe passwords using alphanumeric characters
JSON Tools
Format, minify, validate and beautify JSON online
Online JSON to CSV converter
Display JSON in a tree view and syntax highlighting
Keyboard Tools
What keys correspond to which keycodes?
All key codes and their accompanying data are listed in a table
Password Tools
Create passwords that are both strong and easy to remember
Create long and safe passwords using alphanumeric characters
SEO Tools
Generate SEO-optimized meta tags for search engines and social media
Social Tools
Get all of a Vimeo video's thumbnail pictures
Get all of a YouTube video's thumbnail pictures
Developer Tools
Test and debug Web Push Notifications across devices and browsers