Inspect, capture, edit, audit, and optimize — without leaving your browser. Free forever, open source, privacy-first.
TODO: Animated demo / hero media
65+
Tools
12
Categories
7
AI-Powered
0
Telemetry
Inspect and copy CSS properties from any element on any website.
Learn moreHover over any element to see its tag, classes, dimensions, and box model.
Learn morePick any color from any website with a single click.
Learn moreExtract the full color palette from any webpage automatically.
Learn moreIdentify any font on any website — family, size, weight, line-height, and more.
Learn moreSwap fonts on any website to preview how your typefaces would look.
Learn moreMeasure pixel distances, element sizes, and spacing on any webpage.
Learn moreVisualize margins, paddings, and gaps between elements on any page.
Learn moreOverlay visual guides on CSS Grid and Flexbox layouts to debug alignment.
Learn moreOutline every element on a page to visualize the DOM structure at a glance.
Learn moreInspect and navigate Shadow DOM trees that Chrome DevTools makes hard to reach.
Learn moreInspect ::before, ::after, and other pseudo-elements with full CSS details.
Learn moreClick any text on a page and edit it live — perfect for content reviews and mockups.
Learn moreDrag and reposition any element on a page to test layout changes instantly.
Learn moreClick to remove any element from the page — great for decluttering screenshots.
Learn moreReplace any image on a page with your own file or URL for instant mockups.
Learn moreSelect any element and export it as clean HTML + CSS, ready to paste into your project.
Learn moreCapture a pixel-perfect screenshot of the visible viewport instantly.
Learn moreCapture an entire scrollable page in one high-resolution image.
Learn moreClick any element to capture just that element as a cropped, clean image.
Learn moreTake a screenshot and annotate it with arrows, boxes, and text before saving.
Learn moreCapture screenshots at multiple viewport widths in one click for responsive QA.
Learn moreWrap your screenshots in realistic device frames — iPhone, Pixel, MacBook, and more.
Learn moreRecord a smooth scroll-through video of any page for demos or presentations.
Learn moreExtract and download all images from any webpage in one click.
Learn moreFind and download all favicons, SVG icons, and icon fonts used on a page.
Learn moreRecord screen, console logs, and network errors into a shareable bug report.
Learn moreClick any element and get an AI-generated explanation of what it does and how it's built.
Learn moreSelect any element's CSS and get AI-powered suggestions to clean, modernize, or optimize it.
Learn moreGenerate descriptive, accessible alt text for any image on a page using AI.
Learn moreSelect any text on a page and get AI-powered rewrites for tone, clarity, or SEO.
Learn moreGenerate harmonious color palettes from any page's existing colors using AI.
Learn moreDescribe what you want to match in plain English and get a working regex instantly.
Learn moreSelect a UI element and get AI-suggested component names following your naming convention.
Learn moreExtract Tailwind CSS classes from any element and copy them to your clipboard.
Learn moreConvert any element's raw CSS into equivalent Tailwind CSS utility classes.
Learn moreExtract colors, fonts, spacing, and radii from a page as a structured design token JSON.
Learn moreSelect a section of a page and export it as a React/HTML component with scoped styles.
Learn moreView and audit all meta tags, Open Graph, and Twitter Card data on any page.
Learn morePreview how a page will look when shared on Twitter, Facebook, LinkedIn, and Slack.
Learn moreSee how a page's title and description will appear in Google search results.
Learn moreValidate JSON-LD, Microdata, and RDFa structured data on any page.
Learn moreTrace the full redirect chain for any URL and spot redirect loops or errors.
Learn moreScan the current page for broken links and flag 404s, timeouts, and errors.
Learn moreAnalyze the reading level and readability metrics of any page's content.
Learn moreAnalyze keyword frequency and density across any page's text content.
Learn moreRun a comprehensive WCAG accessibility audit on any page with actionable fix suggestions.
Learn moreSee how a page reads to screen readers — preview the accessible tree and reading order.
Learn moreVisualize the keyboard tab order and focus flow across all interactive elements.
Learn moreSimulate how a page looks under different types of color blindness.
Learn moreAnalyze text content for reading level to ensure it's accessible to your target audience.
Learn moreVisualize the heading structure (H1–H6) and flag skipped or out-of-order levels.
Learn moreNumber and visualize the focus order of all interactive elements on a page.
Learn moreGet an instant performance snapshot — load time, resource count, and size breakdown.
Learn moreMonitor Core Web Vitals (LCP, FID, CLS) in real-time as you browse.
Learn moreAudit all images on a page for file size, format, and optimization opportunities.
Learn moreIdentify CSS and JS resources that block the critical rendering path.
Learn moreRecord and replay Cumulative Layout Shift events to find what's jumping around.
Learn moreList all third-party scripts on a page with their size, load time, and impact.
Learn moreAnalyze how fonts are loaded — detect FOIT/FOUT, measure load time, and suggest fixes.
Learn moreSend HTTP requests (GET, POST, PUT, DELETE) and inspect responses right from the browser.
Learn moreCapture and replay network requests to debug API interactions without re-triggering them.
Learn moreBrowse and edit localStorage, sessionStorage, cookies, and IndexedDB in a clean UI.
Learn moreSave and restore snapshots of browser storage for fast environment switching.
Learn moreInspect all request and response HTTP headers for the current page.
Learn moreVisualize CSS specificity scores for all rules applied to an element.
Learn moreFind CSS rules on the page that aren't used by any visible element.
Learn moreCollect, deduplicate, and summarize all console errors and warnings on a page.
Learn moreRun regex patterns against the current page's source code and highlight matches.
Learn moreDetect all tracking scripts, pixels, and fingerprinting attempts on any page.
Learn moreGet an overall privacy score for any page based on trackers, cookies, and data collection.
Learn moreFind HTTP resources loaded on HTTPS pages that create security warnings.
Learn moreAnalyze cookie consent banners for compliance with GDPR, CCPA, and ePrivacy rules.
Learn moreA simple, fast todo list that lives in your browser toolbar — no app switching.
Learn moreStrip away ads, navigation, and clutter to read any article in a clean view.
Learn moreForce dark mode on any website — even ones that don't support it natively.
Learn moreSearch, group, and manage your open tabs from a single popup.
Learn moreJot down quick notes tied to the current page — synced locally.
Learn morePaste a list of URLs and open them all in new tabs instantly.
Learn moreOne-click clearing of cache, cookies, storage, and history for the current site.
Learn moreCompare two snapshots of a page to see what changed — great for QA and regression testing.
Learn moreDesign box shadows visually and copy the CSS — right from your toolbar.
Learn moreCreate and fine-tune text shadows with a visual editor and live preview.
Learn moreBuild CSS gradients visually — linear, radial, and conic — and copy the code.
Learn moreVisually tweak border-radius for each corner and copy the CSS.
Learn moreStack CSS filters (blur, brightness, contrast, etc.) with a visual editor.
Learn moreDraw custom clip-path shapes visually and export the CSS.
Learn moreDesign custom CSS easing curves with an interactive cubic-bezier editor.
Learn moreGenerate complete meta tags for SEO, Open Graph, and Twitter Cards.
Learn moreGenerate placeholder text in paragraphs, sentences, or words on demand.
Learn moreCheck WCAG color contrast ratios between any two colors instantly.
Learn moreCalculate and convert aspect ratios for images, videos, and responsive containers.
Learn moreBrowse the complete Tailwind CSS color palette with one-click copy.
Learn moreBrowse all 148 named HTML/CSS colors with hex and RGB values.
Learn moreConvert colors between HEX, RGB, HSL, OKLCH, and more formats.
Learn moreGet curated font pairing suggestions based on any font you select on a page.
Learn more7 tools use AI for smart suggestions, refactoring, and content generation.
Full source code on GitHub. Audit it, fork it, contribute to it.
Zero telemetry, zero tracking. All processing happens in your browser.
Inspection, capture, editing, SEO, a11y, perf, dev, and more in one extension.
Companion tools connect seamlessly with toolsjam.co web tools.
No freemium traps, no subscriptions, no account required. Ever.
| Feature | SuperDevPro | ToolsJam Dev |
|---|---|---|
| Total tools | ~40 | 65+ |
| Open source | No | Yes |
| AI tools | 0 | 7 |
| Accessibility depth | Basic | 7 dedicated tools |
| Performance tools | 2 | 7 |
| Privacy tools | 0 | 4 |
| Free tier | Limited | 100% free |
65+ tools. Free forever. No account. Launching soon.