81The catalogue
Every tool, one search away.
81 tools across 22 categories. Filter, search by name or keyword, and open any tool to see what it does.
All 81 tools
Clipboard
Clipboard Manager
View, pin and manage everything you copy.
Text
Code Formatter
Format and minify JavaScript, TypeScript, HTML, XML, CSS and Markdown (use JSON Toolkit for JSON).
Text
Case Converter
Convert between camelCase, snake_case, Title Case and more.
Text
Text Cleaner
Trim, clean and normalize whitespace, spaces and line breaks.
Text
Text Analyzer
Words, characters, lines, sentences, reading time and readability metrics.
Text
Line Tools
Deduplicate, sort, reverse, shuffle and number lines.
Text
Find & Replace
Find and replace with regex, case and whole-word options.
Text
Text Diff
Compare two texts and highlight additions and removals.
Text
Read Aloud
Listen to page text with built-in speech synthesis and adjustable speed.
Text
Dummy Data
Generate lorem ipsum, random text, names, emails, and UUIDs with HTML, Markdown, or JSON export.
- Beta
Developer
React DevTools
Inspect and profile React apps from Chrome DevTools with toolbox styling.
Developer
JSON Toolkit
Validate, format, minify, tree-view, path-query and convert JSON.
Developer
XML Toolkit
Validate, format, minify XML and convert XML to JSON.
Developer
YAML Toolkit
Validate and format YAML, convert between YAML and JSON.
Developer
SQL Toolkit
Format and minify SQL across dialects.
Developer
Regex Toolkit
Test, replace and explain regular expressions with a pattern library.
Developer
UUID / ID Toolkit
Generate and validate UUIDs (v4/v7) and NanoID identifiers.
QA
Element Inspector
Pick a page element and inspect its tag, attributes, styles and dimensions.
QA
Selector Generator
Generate CSS and XPath selectors for any page element.
QA
XPath Tester
Evaluate an XPath on the current page and see matching elements.
QA
Test Data Generator
Generate names, emails, addresses and more as JSON or CSV.
QA
HTTP Status Codes
Look up HTTP status codes with meaning and debugging hints.
QA
Bug Reporter
Capture page context and write a copyable bug report.
API & HTTP
HTTP Interceptor
Intercept and modify HTTP(S) traffic: redirects, headers, API mocks, GraphQL overrides, script injection, and a live network log.
API & HTTP
API Request Builder
Full API client with collections, environments, scripts, and request history (Postman Lite).
Web
URL Toolkit
Parse, encode, decode and clean URLs with a query-param editor.
Web
Link Toolkit
Extract internal and external links from the current page.
Web
Image Links
Preview every image on the page, audit alt text, export the list, and download images or a ZIP.
Web
Page Information
Title, meta, canonical, Open Graph and Twitter card details for the page.
Web
Tech Stack Detective
Detect frameworks, CMS, analytics, and CDNs used on the active page.
Web
Redirect Hop Tracer
Trace redirect chains and navigation hops for the active tab.
Web
Broken Link Checker
Check HTTP status of links on the current page.
Web
UTM Campaign Builder
Build campaign URLs with UTM parameters and QR preview.
Web
Copy as Markdown
Convert page selection or article content to Markdown.
Web
HTML Bundle Downloader
Download the current page and selected linked HTML reports as an offline ZIP with assets.
Data Conversion
Universal Converter
Convert between JSON, CSV, XML, YAML, Markdown tables and TSV.
Data Conversion
Data Scraper
Extract tables and lists from any site with heuristics, point-and-click selectors, pagination, and CSV/Excel export.
Design
Color Converter
Convert colors between HEX, RGB, HSL, HSV, HWB and CMYK.
Design
Color Picker
Pick a color from the screen or a swatch, copy as HEX/RGB/HSL.
Design
Palette Generator
Generate complementary, analogous, triadic, monochromatic and random palettes.
Design
Contrast Checker
WCAG contrast ratio between foreground and background colors.
Design
Font Inspector
Hover any text on the page to see font family, size, weight, and line height.
Design
Responsive Viewer
Preview the active URL in multiple device viewports side by side.
Design
SVG Grabber
Extract inline SVGs from the page and copy as SVG or JSX.
Design
Layout Wireframe
Toggle colored outlines on all elements to debug layout and spacing.
Design
CSS Generator
Generate gradients, box shadows, border radius and glass effects.
Security
Encoder / Decoder
Base64, URL, HTML, Unicode and Hex encoding and decoding.
Security
Hash Toolkit
SHA and MD5 hashing plus HMAC, all computed locally.
Security
JWT Toolkit
Decode and inspect JSON Web Tokens: header, payload, claims and expiry.
Security
Password Generator
Generate cryptographically random passwords with charset options.
Security
2FA Authenticator
Generate time-based one-time passwords (TOTP) from stored secrets — computed locally.
Security
Random Generator
Cryptographically random numbers, strings, hex, UUIDs and NanoIDs.
Privacy
Ad Blocker
Block ads and trackers on websites and YouTube. Per-site allowlist and filter lists.
Privacy
Web Protection
Block known phishing, malware and scam sites. Warns on suspicious sign-in pages. On by default.
Site Enhancements
YouTube Control Panel
Hide clutter, tune the player, custom progress bar, and optional SponsorBlock
Site Enhancements
Instagram Control Panel
Reels player controls, media download, caption formatter, and ghost story viewing on instagram.com
Site Enhancements
X / Twitter Power Tools
Advanced search operators and thread length counter for x.com
Site Enhancements
LinkedIn Creator Tools
Post preview cutoffs, Unicode styling, and quick profile CSV export
Site Enhancements
ChatBoost
Privacy, business tools, exports, and broadcasting for web.whatsapp.com
Calculators
Calculator
Arithmetic and scientific calculator with history (no eval).
Calculators
Unit Converter
Convert length, weight, temperature, data, speed and more.
Calculators
Number Base Converter
Convert between binary, octal, decimal and hexadecimal with bit view.
Date & Time
Date & Time Toolkit
Convert timestamps, calculate dates, compare time zones and preview cron schedules.
Screenshots
Capture Toolkit
Capture the visible tab and annotate with shapes, text, highlight and blur.
Screenshots
Screen Recorder
Record a tab, window, or your whole screen with mic and tab audio, then save or share it.
Image
Save Image As Type
Right-click any image and save as JPG, PNG, WebP, GIF, or PDF — converted locally.
Image
Image Toolkit
Resize, crop, convert, inspect and encode images locally.
Image
Image Downloader
Browse, filter, and download multiple images from the active page.
Files
File Toolkit
View CSV/JSON/text files and combine images into a PDF — all locally.
Generators
QR Code Toolkit
Generate QR codes for text, URLs, Wi-Fi, email, phone and contacts; decode from images.
SEO
SEO Toolkit
Full on-page SEO audit: meta, indexability, content, links, images, schema, hreflang, social and PageSpeed.
Productivity
Notes
Notepad-style notes with formatting, colors, find & replace and export.
Productivity
Timer
Countdown, stopwatch and Pomodoro. Keeps running when the panel is closed.
Productivity
Tab Manager
Find, group, pin, mute, sleep, close and export your open tabs.
- Beta
Productivity
Form Autofill
Review and fill web forms from your saved answers.
Browser
Picture-in-Picture
Float the page video in a always-on-top window with Alt+P or the context menu.
Browser
Internet Monitor
Track connection status, latency, disconnects and downtime with a realtime graph and log.
Browser
Speed Test
Measure your download and upload speed, ping and jitter with an animated gauge and history.
Browser
Browser Toolkit
Copy links in any format, control the tab, and zoom, edit, print or screenshot the page.
Storage
Storage Inspector
Inspect localStorage and sessionStorage of the current page.
Accessibility
Accessibility Quick Check
Quick page checks: alt text, headings, link names and language.
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81 tools. One install.
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