Content Freshn
Detect published and modified dates, copyright years, date schema, and stale-content signals on the current page.
DreamSketch Board
Sketch and save your ideas directly in the browser with customizable canvas drawings and notes. Search, manage, and export sketches in a sapphire blue-peach pink gradient canvas interface.
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Tab Survival: Pixel Quest
Relieve browsing fatigue with a minimalist pixel-art survival game accessible directly from your toolbar.
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Custom Colorblindness Filters
Create custom colorblindness filters for different types of deficiencies.
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SyntaxSage
Smart code tooltips across documentation sites.
UA Switcher — federicocalo.dev
Override di User-Agent e Client Hints limitato al singolo tab, per testare UA sniffing e bot-serving. 100% offline, zero telemetria.
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Image Compare Splitter
Select two images on a page and create a draggable before/after splitter to compare them.
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AmbiBalance Audio Sync
Automatically normalize audio levels across multiple tabs for a consistent and balanced listening experience.
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MicTestQuick
Quick mic tester with dB meter, loopback, 2s playback, latency info. No data is transmitted off-device.
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Procrastination Trigger DT
Detects procrastination triggers using lightweight local browsing behavior analysis.
PlumbSolve: Plumbing Toolkit
A running toilet, slow drain, visible leak, or no hot water? Narrow down likely causes, check urgent first steps, and use practical plumbing calculators, checklists, and field references, all offline.
cfgvhACKER
Inspect HTTP request headers, cookies, data, response Headers, cookies and add/modify request headers before sending requests
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Sitemap & Robots.txt Finder
Find robots.txt, sitemap.xml, sitemap declarations, and common crawl-control files for the current website.
Doomscroll Interrupter XM
Detects excessive endless scrolling behavior and encourages mindful browsing habits.
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Learning Efficiency Optimizer
Optimizes learning efficiency using lightweight local learning analytics.
Double Click Test
Check if your mouse is double-clicking on its own: click the pad and see rapid-fire gaps that reveal a worn button. CPS test included.
Kiểm Tra Link Hỏng & Mã HTTP
Quét liên kết trên trang, kiểm tra mã HTTP, chuyển hướng và xuất danh sách link hỏng.
