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Web & Social
Open tool HTTP Status Checker
Create a bounded, browser-local http status checker with visible assumptions, review guidance, and downloadable output.
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Text, Writing & Language
Open tool Lorem Ipsum Generator
Generate bounded repeatable placeholder paragraphs from explicit controls.
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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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PDF & Documents
Open tool PDF Invoice Extractor
Export heuristic invoice fields and source text to a reviewable XLSX workbook.
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Maps & Location
Open tool Plus Code Converter
Create a bounded, browser-local plus code converter with visible assumptions, review guidance, and downloadable output.
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SEO & Marketing
Open tool Product Schema Generator
Create Product and Offer JSON-LD from reviewed product identity, description, URL, price, and currency.
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Productivity & Business Ops
Open tool Project Charter Builder
Structure governance roles, purpose, objectives, scope, and initial risks into a charter draft.
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Legal, Compliance & Policy
Open tool Record Retention Policy Builder
Structure a reviewable record retention policy builder from supplied sources without legal interpretation, compliance certification, or automated decisions.
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File Converters
Open tool VCard to JSON
Project common fields from up to one thousand vCards into a stable JSON record array locally.
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Physics
Open tool Angular Velocity Calculator
Calculate angular velocity with guided inputs, visible equations, substituted working, and model assumptions.
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File Converters
Open tool ASS Subtitle to SQL CREATE TABLE
Convert ASS Subtitle into SQL CREATE TABLE locally, with explicit format controls, bounded validation, a reviewable preview when practical, and a separately named download.
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Calculators
Open tool Asset Allocation Calculator
Translate a target allocation percentage into a portfolio amount.