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58 free tools across SVG & design, developer utilities, and technical SEO.
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SVG & Design Tools
View category →SVG Code Editor
Edit, validate, and pretty print SVG code in real time, right in your browser. No uploads, no signup required.
SVG Viewer & Validator
Preview any SVG and catch invalid markup, security risks, and rendering issues before you ship it.
SVG ViewBox Fixer
Fix missing or broken viewBox attributes automatically, calculated from your SVG's actual rendered content.
SVG Palette Extractor
Extract every color used in an SVG, or apply one of 10 curated preset palettes directly onto your artwork.
SVG Optimizer & Minifier
Strip unnecessary metadata and shrink SVG file size automatically, ready for production use.
Image to SVG Converter
Trace a raster image into editable vector SVG paths, right in your browser.
SVG to PNG Batch Converter
Convert multiple SVG files to PNG at once, with custom size presets.
SVG Sprite Sheet Generator
Combine multiple SVG icons into a single sprite sheet using symbol and use references.
SVG to React & Vue Component Converter
Convert raw SVG markup into a ready to paste React or Vue component.
SVG Path Visualizer & Point Editor
See and drag a path's control points visually instead of editing raw path data by hand.
Favicon & App Icon Generator
Generate a complete favicon set and web manifest from one SVG or image.
Text to SVG Path Converter
Convert text into vector path outlines that render identically everywhere, no fonts required.
Batch SVG Color Replacer
Find and replace a specific color across multiple SVG files at once.
Stroke to Fill Path Converter
Convert a stroked line into an equivalent filled shape for reliable scaling.
SVG Gradient Generator
Visually build linear and radial gradients and get the resulting SVG markup.
Seamless SVG Pattern Generator
Generate tileable background patterns, dots, stripes, and grids, as SVG.
Organic Blob Shape Generator
Generate randomized smooth, organic blob shapes for modern hero sections and backgrounds.
CSS Clip-Path Generator
Visually build a polygon shape and get the matching CSS clip-path value.
SVG Accessibility Checker
Check an SVG for title and desc elements, ARIA roles, and color contrast issues.
Developer Utilities
View category →SVG to CSS Data URI
Convert SVGs into inline CSS ready data URIs, in both URL-encoded and base64 formats, with a ready-to-paste CSS snippet.
Image to Tailwind Palette
Turn any image into a full Tailwind v4 color theme, with a complete 50 to 950 shade scale generated for each dominant color.
JSON Formatter That Shows the Exact Broken Line
Format and validate JSON with error line highlighting, no upload, nothing leaves your device.
JWT Decoder, Runs Locally in Your Browser
Decode a JWT's header and payload claims instantly, entirely client-side, safe for real tokens.
Regex Tester With Live Group Highlighting
Test regular expressions against sample text with live match and capture group highlighting.
UUID v4 & v7 Generator, Bulk Output
Generate classic random UUIDs or newer sortable UUIDv7s, in bulk, copy or export instantly.
MD5, SHA-1 & SHA-256 Hash Generator
Generate MD5, SHA-1, SHA-256, and SHA-512 hashes from text or a file, all at once.
Cron Expression Translator & Visual Builder
Translate a cron expression into plain English, or build one visually with a schedule picker.
Text & Code Diff Checker, Side-by-Side View
Compare two blocks of text or code and see every addition, deletion, and change highlighted.
Live Markdown Previewer, No File Saved
Type markdown and see the rendered output update live, nothing saved or uploaded.
HEX, RGB, HSL & OKLCH Color Converter
Convert instantly between HEX, RGB, HSL, and the newer OKLCH color format.
Unix Timestamp Converter With Timezone Support
Convert epoch timestamps to human-readable dates across any timezone, both directions.
Placeholder Text Generator by Word Count
Generate lorem ipsum or plain-English placeholder text by exact word, sentence, or paragraph count.
QR Code Generator With SVG Download
Generate a QR code from any URL or text and download it as clean, scalable SVG or PNG.
camelCase, snake_case & kebab-case Converter
Convert text between camelCase, snake_case, kebab-case, and PascalCase instantly.
YAML to JSON Converter, Both Directions
Convert YAML to JSON or JSON to YAML instantly, with syntax errors flagged clearly.
Password & Memorable Passphrase Generator
Generate secure random passwords or memorable multi-word passphrases, fully client-side.
PX to REM, EM, Percentage & Tailwind Converter
Convert PX to REM, EM, percentage, and the closest Tailwind spacing token, all in one place.
Technical SEO Tools
View category →Robots.txt Tester, Check Any URL Against Any Bot
Test whether a specific URL is allowed or blocked for any crawler, directly against your robots.txt rules.
AI Crawler Access Checker (GPTBot, ClaudeBot & More)
See at a glance whether GPTBot, ClaudeBot, PerplexityBot, and Google-Extended are allowed or blocked on your site.
XML Sitemap Generator From a URL List
Paste a list of URLs and get a valid XML sitemap file instantly, no crawling required.
XML Sitemap Validator, Catch Errors Before Submitting
Check an existing sitemap for structural errors and invalid URLs before submitting it to Search Console.
Google SERP Snippet Preview & Pixel Length Checker
See exactly how a title and meta description will look in Google results, with real pixel-width truncation warnings.
Open Graph Tags Generator With Live Preview
Generate Open Graph meta tags and preview exactly how the share card looks before publishing.
Twitter/X Card Preview & Validator
Preview and validate a Twitter/X card without needing a live URL or an X developer account.
JSON-LD Schema Generator for Articles & Products
Build valid JSON-LD structured data for common schema types through a simple form, no manual JSON writing.
Schema Markup Validator for JSON-LD
Check JSON-LD structured data for schema.org compliance errors before it ships to production.
Canonical Tag Checker, Spot Mismatched URLs
Check whether a page's canonical tag correctly matches its own URL or points elsewhere.
Hreflang Tag Generator & Validator
Generate correct hreflang tags for multi-language pages and validate them for common return-tag errors.
Redirect Chain Checker, See Every Hop
See every hop in a redirect chain and how many redirects a URL passes through before its final destination.
HTTP Header & Status Code Checker
Check status codes, response headers, and redirect chains in bulk, with support for spoofing Googlebot and other crawler user-agents.
Broken Link Checker for a Single Page
Scan a page's links and flag which ones return a broken or error status, with bulk concurrent checking and HEAD-request efficiency.
Robots Meta Tag Generator (noindex, nofollow)
Build a correct robots meta tag with the exact index, follow, and archive directives you need.
.htaccess Redirect Rule Generator
Generate correct .htaccess redirect rules without memorizing Apache rewrite syntax.
SEO-Friendly URL Slug Generator
Convert a page title into a clean, SEO-friendly URL slug, stripping stop words and special characters correctly.
Keyword Density Checker for Any Text
See exact keyword and phrase frequency in a block of content, without needing to paste a live URL.
Text-to-HTML Ratio Checker
Check the ratio of visible text to total HTML markup on a page, a signal some SEO audits still flag.
Image Alt Text Auditor for Any Page
Scan a page and list every image missing alt text, or with empty or unhelpful alt attributes.
Meta Tag Extractor, See Every Tag on Any Page
Pull every meta tag from a page's head section into one readable list.