Extensions for coding, debugging, and working with data formats. 38 tools in this category.
Test REST APIs from your browser. Send GET, POST, PUT, DELETE requests with headers and body. View formatted responses.
Encode and decode Base64 strings instantly. Supports text and data URLs. Copy results with one click.
Scan any webpage for broken links. Find 404s, redirects, and missing resources instantly.
Estimate the carbon footprint of any webpage. Check page weight and eco-friendliness.
Save, organize, and instantly paste code snippets from any webpage. Tag, search, and sync across tabs.
One-click copy of the current tab's title and URL or selected text as perfectly formatted Markdown for Notion or Obsidian.
Applies a dark theme to Google Search results pages. Toggle the dark mode on or off from the extension popup.
Compare two text snippets side by side. Highlight additions, deletions, and changes.
Create, save, and insert professional email templates anywhere. Variables, formatting, and one-click paste.
See exactly how many minutes any article or blog post will take to read before you start, displayed on a clean icon badge.
Extract favicons from any website. Download in multiple sizes or copy the URL.
Enhance GitHub pull requests and code review with sticky line numbers, better syntax highlighting, and code folding.
View HTTP response headers for the current page. Inspect security headers, caching, and server info.
Check HTTP status codes of any URL. View response headers, redirect chains, and timing.
Generate MD5, SHA-1, SHA-256 hashes from any text. Copy with one click.
Instantly extract line items, totals, dates, and currencies from web invoices (Stripe, PayPal, QuickBooks) into CSVs.
Beautifully format, highlight, and explore raw JSON data in your browser. Features collapsible trees, syntax coloring, and copy.
Paste JSON and click any value to get its path. Supports dot notation and bracket notation.
Convert JSON arrays to CSV format instantly. Paste JSON, get CSV. Download or copy to clipboard.
Decode JSON Web Tokens instantly. View header, payload, and expiration without external tools.
Hides distracting UI elements on Jira boards and issue pages to create a cleaner, focused project management view.
Edit any webpage live. Change text, colors, layouts, and styles in real-time. Save snapshots and export changes.
Generate lorem ipsum paragraphs, sentences, or words instantly. Copy to clipboard with one click.
Preview Markdown files in your browser with GitHub-flavored styling, syntax highlighting, and tables.
Monitor all network requests in real-time. Filter by type, status, domain. Measure load times and find bottlenecks.
All 5 premium B2B tools in one extension. WCAG Auditing, Privacy Scanning, Contract Highlighting, Invoice & Time.
Preview how the current page looks when shared on social media. View Open Graph tags.
Measure elements on any webpage in pixels. Hover to see dimensions, click to copy measurements.
Generate a QR code for any URL or text instantly. Download as PNG or copy to clipboard with one click from any web page.
Test regular expressions live with match highlighting, capture groups, and common regex patterns library.
Resize your browser window to common device sizes like iPhone, iPad, and Desktop with one click.
Automatically skip sponsored segments, intros, outros, and subscription begging in YouTube videos. Save time watching content.
Compare two text blocks side by side. Highlights additions, deletions, and changes instantly.
Convert Unix timestamps to human-readable dates and back. Click any timestamp to decode.
Encode and decode URLs instantly. Handles special characters, query strings, and Unicode.
Shorten any URL instantly and generate a QR code. Copy shortened links with one click. No account required.
Open the current page in the Wayback Machine with one click. See archived versions instantly.
Quick DNS and domain info lookup for any website. See IP, registrar, nameservers, and DNS records.