Practical browser-based utilities for creative work, web projects, workshops, and collaboration. Explore color palettes, analyze images, find available domain names, create unique IDs and secure passwords, collect ideas without bias, organize participants into balanced teams, and produce customized certificates in bulk — all without accounts or payments.
Color and Design
Visual tools for exploring color schemes, inspecting images, and refining layouts. Analyze pixel data, generate harmonious palettes, crop images to precise aspect ratios, identify optical text centers, and prepare graphics for consistent display across multiple sizes and formats.
Color Converters
Convert between perceptual color models.
Color Harmonies
Explore color harmonies from any color.
Color Palettes
Generate color palettes from any color.
Color Picker
View color data for any pixel in an image.
Color Sampler
Color statistics for selected areas of an image.
Optical Center
Identify the perceptual center of text.
Optimal Crop
Crop images to precise aspect ratios.
Thumbnail Maker
Optimize images for multiple sizes and formats.
Data and Web
Technical resources for websites, browser workflows, and structured web data. Find available domain names, rename files in bulk with normalization rules, convert structured input into clean HTML, create unique identifiers, and secure passwords with hashing and masking.
Domain Finder
Generate domain names and check availability.
File Renamer
Rename files in bulk with normalization rules.
HTML Converter
Convert structured input into clean HTML.
ID Generator
Generate unique 10-character IDs instantly.
Password Hasher
Generate secure salted password hashes.
Password Masker
Mask passwords to reduce visible exposure.
Teams and Decisions
Useful tools for classrooms, workshops, and collaborative activities. Collect anonymous input, generate balanced teams from participant lists, and produce certificates in bulk for courses, events, and training programs.