# Toolbox > A free, privacy-first collection of client-side developer tools. No sign-up, no account, no server processing — everything runs in your browser. Built by eat-sleep-code. All tools are available at https://toolbox.eat-sleep-code.com ## Color Tools - [Color Converter](https://toolbox.eat-sleep-code.com/color-converter): Convert colors between HEX, RGB, RGBA, HSL, oklch, and named CSS colors with live visual preview and shade generator. - [Color Palette Generator](https://toolbox.eat-sleep-code.com/color-palette): Generate analogous, complementary, triadic, and monochromatic palettes from any color. AI-assisted mapping to web UI components with WCAG contrast checking. - [WCAG Contrast Checker](https://toolbox.eat-sleep-code.com/wcag-contrast): Check foreground and background color pairs against WCAG 2.2 AA and AAA accessibility standards with live contrast ratio and visual preview. - [Gradient Builder](https://toolbox.eat-sleep-code.com/gradient-builder): Create CSS linear, radial, and conic gradients visually — drag color stops, adjust colors and opacity, then copy the ready-to-use CSS. ## Image Tools - [Image Sizer](https://toolbox.eat-sleep-code.com/image-sizer): Resize, crop, flip, and rotate images in-browser. Outputs JPEG, PNG, and WebP. - [Image Optimizer](https://toolbox.eat-sleep-code.com/image-optimizer): Compress JPEG, PNG, WebP, and SVG images for optimal web delivery without quality loss. - [Image Background Remover](https://toolbox.eat-sleep-code.com/image-background-remover): Remove image backgrounds using on-device AI — no image is ever uploaded to a server. - [Image / Base64 Converter](https://toolbox.eat-sleep-code.com/image-base64-converter): Convert images to Base64 data URIs for embedding in HTML or CSS, or decode Base64 strings back to a viewable and downloadable image. - [ALT Text Generator](https://toolbox.eat-sleep-code.com/alt-text-generator): Upload an image or provide a URL and generate accurate, accessibility-ready alt text in five tones (descriptive, concise, SEO, e-commerce, social) using AI. ## Content & Text Tools - [Icon Finder](https://toolbox.eat-sleep-code.com/icon-finder): Search Lucide React, Font Awesome 6, and Google Material Icons simultaneously. Click any icon to copy its component or HTML snippet. - [Unicode Finder](https://toolbox.eat-sleep-code.com/unicode-finder): Browse and copy Unicode characters by category — math, arrows, emoji, Greek, box drawing — and inspect codepoints. - [QR Code Generator](https://toolbox.eat-sleep-code.com/qr-generator): Generate QR codes with custom colors and embedded logos. Export as JPG, PNG, or SVG. - [Lorem Ipsum Generator](https://toolbox.eat-sleep-code.com/lorem-ipsum): Generate placeholder text in Classic, Tech, or Pirate styles as plain text, HTML, Markdown, or JSON. - [Character & Word Counter](https://toolbox.eat-sleep-code.com/character-and-word-counter): Count characters, words, sentences, paragraphs, and lines. Includes reading time estimate and word frequency analysis. - [Casing Tool](https://toolbox.eat-sleep-code.com/casing-tool): Convert text between sentence case, title case, APA style, camelCase, PascalCase, snake_case, kebab-case, and more. - [String Sorting Tool](https://toolbox.eat-sleep-code.com/sorting-tool): Sort comma, semicolon, pipe, or newline-separated lists alphabetically or by length, or shuffle them. Output as single line, multi-line, JS array, or JSON. ## SEO & Web Tools - [OpenGraph Checker](https://toolbox.eat-sleep-code.com/opengraph-checker): Preview how any URL appears in social media link previews. Checks OpenGraph, Twitter Card, and standard meta tags. - [Sitemap & Robots.txt Checker](https://toolbox.eat-sleep-code.com/sitemap-checker): Fetch and analyze a site's robots.txt crawl directives and sitemap.xml URL inventory in one place. - [Rich Results Checker](https://toolbox.eat-sleep-code.com/rich-text-checker): Preview and analyze HTML rich text — check for accessibility issues, heading hierarchy, and unsafe markup. - [Code Formatter](https://toolbox.eat-sleep-code.com/code-formatter): Format and beautify HTML, CSS, and JSON with configurable indentation. - [Regex Tester](https://toolbox.eat-sleep-code.com/regex-tester): Build and test JavaScript regular expressions with live match highlighting, capture groups, flags, and quick pattern presets. ## Security & Network Tools - [Key Generator](https://toolbox.eat-sleep-code.com/key-generator): Generate cryptographically secure GUIDs, AES-256 keys, RSA key pairs (2048-bit and 4096-bit), and HMAC secrets (SHA-256, SHA-384, SHA-512) in Base64 or Hex — entirely in-browser using the Web Crypto API. - [Network Tools](https://toolbox.eat-sleep-code.com/network-tools): IP geolocation, visual traceroute, connection speed test, and domain availability lookup. - [Security Headers Checker](https://toolbox.eat-sleep-code.com/security-headers): Analyze HTTP security response headers for any URL — HSTS, Content-Security-Policy, X-Frame-Options, Permissions-Policy, and more with actionable remediation guidance. ## Marketing Tools - [Ad Budgeter](https://toolbox.eat-sleep-code.com/ad-budgeter): Estimate daily spend, total budget, and estimated daily reach for LinkedIn ad campaigns based on audience size and run time. ## External Tools (eat-sleep-code ecosystem) - [Easel](https://easel.eat-sleep-code.com): Web-based multi-layer image editor with filters, text tools, background removal, and export optimization. - [Animator](https://animator.eat-sleep-code.com): Web-based animation editor with timeline, keyframes, tweening, asset libraries, and brand guidelines export. - [Accessible Impact](https://accessibleimpact.org): Explore how web accessibility barriers affect real users by toggling impairment simulations tied to global population data. ## About - Publisher: eat-sleep-code (https://eat-sleep-code.com) - License: Free to use, no attribution required - Privacy: No analytics on individual tools, no data leaves the browser