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File Converters
Open tool JSON to INI
Serialize one bounded JSON object as deterministic global INI keys and one-level sections.
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Security & Privacy
Open tool JWT Expiry Checker
Create a bounded, browser-local jwt expiry checker with visible assumptions, review guidance, and downloadable output.
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Physics
Open tool Kinetic Energy Calculator
Calculate kinetic energy with guided inputs, visible equations, substituted working, and model assumptions.
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SEO & Marketing
Open tool Link in Bio Page Planner
Turn approved profile, link-label, and destination inputs into an ordered link-in-bio plan.
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Travel & Logistics
Open tool Luggage Size Checker
Create a bounded, browser-local luggage size checker with visible assumptions, review guidance, and downloadable output.
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SEO & Marketing
Open tool Meta Title Generator
Create and measure reviewable page-title candidates from an explicit topic, modifier, brand, separator, and planning limit.
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Chemistry
Open tool Mole Fraction Calculator
Calculate mole fraction with guided inputs, visible equations, substituted working, and model assumptions.
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Text, Writing & Language
Open tool Reverse Text
Reverse grapheme clusters locally without splitting common joined emoji or combined letters.
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Developer & Data
Open tool SQL Formatter
Format SQL for a selected dialect locally without connecting to or executing on a database.
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Productivity & Business Ops
Open tool SWOT Analysis Builder
Structure evidence-backed SWOT inputs into a four-part Markdown analysis.
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Automotive & Vehicles
Open tool Auto Loan Refinance Calculator
Create a bounded, browser-local auto loan refinance calculator with visible assumptions, review guidance, and downloadable output.
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Automation & Integrations
Open tool Automation Change Log
Create a bounded, editable automation change log from supplied workflow facts with transparent rules and integration safeguards.