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π API Monitor v1.2.2 β Advanced On-Page API Inspector & Console Monitor No need to open Chrome DevTools. API Monitor captures XHR and Fetch requests through a floating on-page panel β inspect details, replay requests, monitor console logs, and manage storage without leaving the page. β Request Replay β edit and resend any captured request; diff view compares replayed vs original; localhost mode with remembered port β Improved JSON Viewer β auto-expands nested structures; smoother interactions β API Detail Tab Mode β tabbed layout (Response / Request / General / Headers) with drag-to-reorder in settings β Redesigned Storage Panel β hover-reveal Edit/Delete, inline editing, add new entries; supports LocalStorage, SessionStorage, and Cookies v1.2.0 β HAR file export (Postman-compatible), dedicated "Copy cURL" button per record v1.1.2 β Real-time console log monitoring with level filtering, keyword search, and stack trace π Network β captures XHR & Fetch; filter by URL, method, status, latency, time range; domain allow/block list π§ Inspect β headers, body (JSON/text/FormData), response time; one-click cURL copy and HAR export π Console β real-time log capture with level filter (log/warn/error/info/debug) and keyword search πΎ Application β inspect and manage LocalStorage, SessionStorage, and Cookies π Permissions β browser permission status at a glance (camera, mic, geolocation, etc.) π Privacy β all data stays local; nothing sent to external servers
API Sniffer - Endpoint Detector
Capture, replay, and automate HTTP requests with real-time WebSocket, WebRTC monitoring and passive API leak detection. API Sniffer is a powerful, lightweight developer tool designed to simplify API debugging, monitoring, and documentation. Whether you are reverse-engineering an app, writing documentation, or debugging network calls, API Sniffer completely eliminates the need to manually dig through the browser's Network tab. π WebSocket Monitoring: β’ Real-time capture of all WebSocket connections and messages (sent & received). β’ Split-panel UI with connection sidebar and live message stream. β’ Pause/Resume listening to freeze capture without losing data. β’ Export captured WebSocket data as JSON or CSV with one click. π‘ WebRTC Monitoring: β’ Intercepts all RTCPeerConnection creation, ICE candidates, SDP offers/answers, data channels, and media tracks. β’ Full event stream with color-coded badges for each event type. β’ Export all WebRTC data as structured JSON. β’ Shared Pause/Resume control with WebSocket monitoring. π Passive API Leak Detection (Secrets Scanner): β’ Automatically scans all request URLs, request headers, response headers, and response bodies for leaked secrets. β’ Detects 38+ secret types: AWS keys, Google API keys, Stripe keys, JWTs, Bearer tokens, GitHub/GitLab tokens, Slack/Discord/Telegram tokens, OpenAI keys, SendGrid keys, Firebase keys, Shopify tokens, private keys, and more. β’ URL parameter scanning catches API keys leaked in query strings (?key=, ?api_key=, ?access_token=, ?token=, ?secret=). β’ Context-Aware Filtering: Smart false-positive reduction that examines JSON key names β drops normal IDs (request_id, client_id, etc.) and only reports values assigned to security-sensitive keys (password, secret, token, auth, etc.). β’ Click any detected leak to view full details with matched value and surrounding context. β’ Export all findings as CSV for reporting. β’ Advanced Dashboard: A full-page professional dashboard for in-depth API testing. β’ API Repeater: Send, modify, and replay captured HTTP requests manually. View raw requests and preview responses instantly with multi-tab support. β’ API Automator (Fuzzer): Automate API testing by injecting payloads into requests using the Β§targetΒ§ marker. Supports manual lists, .txt file uploads, numeric ranges, and incremental payloads. β’ Target Scope Management: Define specific domains in your scope and easily filter the popup to "Show Scope Only," keeping your workspace clutter-free. β’ 1-Click Integration: Instantly send any captured endpoint from the popup directly to the Repeater (RPT) or Automator (AUT) queues. β’ CSV Export for Automator: Export all your automated run results (including status codes, lengths, and response times) directly to a CSV file. π Real-time Monitoring β Automatically captures fetch/XHR requests, WebSocket messages, and WebRTC connections silently as you browse. π§Ή Smart Filtering β Built-in filters ignore static assets (.png, .css, .mp4, etc.), while the Custom Blacklist lets you hide specific noisy domains. Target Scope lets you strictly focus on testing domains. π Leak Detection β Passively scans all network traffic for accidentally exposed API keys, tokens, passwords, and secrets with context-aware false-positive filtering. π One-Click Export β Instantly copy all endpoints to your clipboard, or download them as a clean .txt, structured .json for Postman/Insomnia, or CSV for spreadsheets. π― Precision Control β Easily start, stop, pause, or reset the recording process at any time. Remove single endpoints from the list without clearing everything. π Protocol Coverage β Monitors HTTP (XHR/Fetch), WebSocket, and WebRTC traffic from a single extension. β‘ Lightweight & Secure β Runs 100% locally in your browser. No external servers, no tracking, and it won't slow down your browsing speed. Perfect for Web Developers, Pentesters, Bug Bounty Hunters, and QA Engineers who need to analyze network traffic quickly and efficiently.
API Tester Pro - REST Client, HTTP Request Builder, Debug & Collections
REST API client and HTTP tester. Send GET, POST, PUT, DELETE. JSON viewer, auth, headers. Postman alternative. API Tester Pro is a fast, full-featured REST client and API testing tool that runs entirely inside your browser. Send HTTP requests, inspect responses, debug APIs, and manage saved collections β without installing a heavy desktop app. KEY FEATURES: β’ Send GET, POST, PUT, PATCH, DELETE, HEAD, and OPTIONS requests β’ View formatted response body, headers, status codes, and timing β’ Syntax-highlighted JSON, XML, and HTML response viewer β’ Authentication support β Basic Auth, Bearer Token, API Key, OAuth headers β’ Request body support β JSON, form data, raw text, and binary β’ Save and organize requests into collections for reuse β’ Request history β quickly re-send previous API calls β’ Import and export collections for team sharing β’ Environment variables for switching between dev, staging, and production A lightweight REST client alternative that's fast and private. No signup. No cloud dependency. Install and start testing.
Rent Offers: Renter Calculator
Calculate your move-in, monthly costs, and keep notes on the rentals you've run calculations on. The Rent Offers Renter Calculator will allow renters to calculate and estimate how much money they'll need to move into a rental property. It also helps calculate how much how money they'll pay each month and the percentage of their overall income it'll be. The calculator will work on many of the real estate listings sights you already know and love.
DevTools
40+ developer tools: JSON formatter, Base64/URL encoder, hash generator, JWT debugger, regex tester, and more DevTools - Your All-in-One Developer Toolkit Stop wasting time switching between different websites and tools. DevTools brings 40+ essential developer utilities right into your browser, available instantly with a single click. DevTools is a comprehensive offline toolkit that combines all the utilities developers use daily into one convenient Chrome extension. Whether you need to format JSON, encode Base64, generate passwords, or debug JWT tokens β it's all here, working entirely in your browser. β‘ Save Time No more bookmarking dozens of online tools. No more waiting for web pages to load. Everything you need is one click away, working instantly without any network requests. π 100% Private & Secure Unlike online tools, DevTools processes everything locally in your browser. Your code, API keys, tokens, and sensitive data never leave your computer. Perfect for working with confidential information. π΄ Works Offline Internet down? No problem. DevTools works completely offline. Use it on flights, in areas with poor connectivity, or anywhere you need to work without internet access. π― Developer-Focused Built by developers, for developers. Every tool is designed with real-world use cases in mind. Clean interface, fast performance, and keyboard-friendly design. What Can You Do With DevTools? Format messy JSON into readable, indented code Validate JSON syntax and catch errors instantly Beautify or minify HTML, CSS, JavaScript, XML, and SQL Encode & Decode Base64 encode/decode text and images URL encode/decode for safe query parameters HTML entity encode/decode for web content JWT token decode and inspection Generate Secure Values Create strong passwords with customizable rules Generate UUIDs and ULIDs in bulk Compute MD5, SHA-1, SHA-256, SHA-512 hashes Generate QR codes from any text or URL Convert Formats Compare texts and highlight differences Test regular expressions with live matching Preview Markdown rendering Convert text case (camelCase, snake_case, etc.) Sort, dedupe, and manipulate lines Developer Utilities Parse and explain cron expressions Convert cURL commands to code (Python, JavaScript, Go, PHP, Java) Generate code from JSON (TypeScript, Python, Swift, Go, Java) Decode X.509 certificates Convert SVG to CSS background Who Is This For? Frontend Developers - Format code, preview Markdown, convert HTML to JSX Backend Developers - Debug JWT tokens, parse cron, generate hashes Full-Stack Developers - Convert cURL to code, transform data formats DevOps Engineers - Decode certificates, parse timestamps, work with configs Anyone Who Codes - All the everyday tools in one place Features You'll Love β Dark and light themes for comfortable viewing β English and Chinese language support β Quick search to find any tool instantly β One-click copy for all outputs β Clean, modern interface with no clutter β Zero setup β works immediately after install DevTools is completely free with no hidden features, subscriptions, or accounts required. Install it once and have instant access to all 40+ tools forever.
