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ToolNook.dev

A collection of handy micro-tools for everyday tasks

Tool Categories

Design

SVG Converter

Convert SVG files to PNG, JPEG, WebP and other web formats with customizable settings

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Color

Color Converter

Convert between different color formats: HEX, RGB, HSL, and more

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Color

CSS Gradient Generator

Quickly generate CSS code for linear, radial, and conic gradients with real-time preview

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Color

Color Palette Generator

Generate attractive, matching color palettes for UI projects based on color theory

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Design

CSS Shadow Generator

Customize box shadows and text shadows visually and copy the CSS with one click

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Design

Placeholder Image Generator

Instantly generate placeholder images with custom dimensions, colors, and text

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Developer

JSON ↔ YAML Converter

Convert between JSON and YAML formats. Perfect for configuration files and data interchange

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Developer

Base64 Encoder/Decoder

Encode text to Base64 or decode Base64 strings back to plain text

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Developer

Item Deduplicator

Remove duplicate items from lists, text, or data quickly and efficiently

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Developer

Regex Tester

Test and debug regular expressions in real-time with match highlighting

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Developer

Code Formatter

Format JavaScript, HTML, CSS, XML, JSON, or SQL code instantly with proper indentation

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Developer

Markdown Previewer

Write markdown and instantly preview or export HTML with live preview

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Developer

Diff Checker

Quickly compare differences between two snippets of text or code

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Conversion

Unix Timestamp Converter

Convert between Unix timestamps and human-readable dates and times

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Conversion

Hash Generator

Generate MD5, SHA-256, SHA-512 and other cryptographic hashes

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Math

Physics Calculator

Solve projectile motion problems, calculate time, height, and distance

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SEO

SEO Keyword Generator

Generate SEO keywords and content ideas for your website or blog

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SEO

Meta Tag Analyzer

Analyze and optimize meta tags for better search engine visibility

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NEW

AI Readiness Scanner

Check if your website is optimized for AI assistants like ChatGPT and Claude

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NEW

Cursor Rule Builder

Create and manage AI rules for your Cursor projects with an intuitive interface

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