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Education & Study
Open tool Attendance Percentage Calculator
Create a bounded, editable attendance percentage calculator from supplied learning information with transparent rules and academic safeguards.
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File Converters
Open tool CSV to PDF
Convert CSV into PDF locally, with explicit format controls, bounded validation, a reviewable preview when practical, and a separately named download.
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File Converters
Open tool JSON to PDF
Convert JSON into PDF locally, with explicit format controls, bounded validation, a reviewable preview when practical, and a separately named download.
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File Converters
Open tool NDJSON to PDF
Convert NDJSON into PDF locally, with explicit format controls, bounded validation, a reviewable preview when practical, and a separately named download.
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PDF & Documents
Open tool Add Password to PDF
Create an AES-256 encrypted PDF copy with a confirmed opening password.
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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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Food & Cooking
Open tool Food Cost Percentage Calculator
Create a bounded, browser-local food cost percentage calculator with visible assumptions, review guidance, and downloadable output.
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Image Tools
Open tool PDF to Image
Render the first PDF page as a local PNG.
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Travel & Logistics
Open tool Customs Document Checklist
Create a bounded, browser-local customs document checklist with visible assumptions, review guidance, and downloadable output.
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Travel & Logistics
Open tool Visa Document Checklist
Create a bounded, browser-local visa document checklist with visible assumptions, review guidance, and downloadable output.
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Parenting & Family
Open tool Baby Due Date Calculator
Create a bounded, browser-local baby due date calculator with visible assumptions, review guidance, and downloadable output.
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Date, Time & Scheduling
Open tool Date Calculator
Create a bounded, browser-local date calculator with visible assumptions, review guidance, and downloadable output.