Developers
Utilities for developers — UUIDs, timestamps, Base64, number bases and codes, all working offline in the browser.
Base64 Encoder / Base64 Decoder Online
Advanced online Base64 encoder/decoder. Handles UTF-8 issues, supports URL-safe format, and explains the encoding principle. Free to use.
Base64 to Image Converter Online - Free & Secure
Instantly convert Base64 strings or HTML tags to images. Decode Data URI and download as JPG, PNG, or WebP. Free, secure, and works directly in your browser.
Case Converter: Convert CamelCase, Snake_case & More
Instantly convert text to camelCase, snake_case, PascalCase, kebab-case & more. Free online tool for developers — works right in your browser, no install.
Color Picker Online: Color Wheel, Converter (HEX, RGB, LCH)
Advanced online color picker. 🎨 Precise color wheel, saturation & brightness tuning. Instantly convert HEX, RGB, HSL, HSV, and LCH formats. Free, no install.
Number System Converter: BIN/HEX/DEC/OCT with Negatives
Convert between BIN, HEX, DEC, OCT number systems. Supports two's complement, 8-64 bit widths, and large numbers. Free online tool for developers.
Online Image Color Picker - Extract Colors from Photos
Extract colors from images instantly. Get HEX and RGB codes, analyze dominant colors, and use selection history. Works on mobile too. Free online tool.
UNIX Timestamp Converter (Epoch Time Online Tool)
Convert UNIX timestamps to human-readable dates and back. Displays current epoch time in real-time, local time, UTC, and relative time. Completely free online.
UUID Decoder & Validator | Analyze v1, v4, v7 & Time
Decode UUIDs online. Analyze version, extract timestamp (v1, v7), and validate format. Supports UUID v1, v3, v4, v5, v6, v7. Free & easy to use.
Online UUID Generator | Generate UUIDs v1, v3-v7 for Free
Generate Universally Unique Identifiers (UUIDs) online for free. Our tool supports all UUID versions (v1, v3-v7) and can generate thousands of IDs at once.