Development
Query arbitrary JSON with JSONPath expressions, preview matches, switch output modes, and save reusable query templates
jsonpath-query-toolSEO
Turn CSV or Excel rows into Schema.org JSON-LD for articles, products, or events, with validation-ready output for SEO workflows
json-ld-generator-from-csvData Processing
Query JSON with JSONPath or JMESPath-style expressions, inspect matched paths, and highlight extracted values in the original document
json-path-extractorMath & Numbers
Convert kilometers to miles with configurable decimal precision
km-to-milesDevelopment
Convert JSON Schema JSON/YAML definitions into ready-to-use Zod schemas with nested objects, arrays, enums, and common validation rules
json-schema-to-zod-schema-converterMath & Numbers
Convert kilograms to pounds with configurable decimal precision
kg-to-lbMath & Numbers
Convert pounds to kilograms with configurable decimal precision
lb-to-kgDevelopment
Infer JSON Schema from sample JSON, optionally merge manual schema edits, and validate data against the active schema
json-schema-generatorDocument Tools
Convert DOC/DOCX to PDF/A using LibreOffice rendering and Ghostscript conformance pass
libreoffice-docx-to-pdf-aDocument Tools
Convert Office files to PNG/JPG previews with LibreOffice, with optional thumbnail resize
libreoffice-office-to-imageDocument Tools
Replace placeholders in DOCX template and render merged records to PDF using LibreOffice
libreoffice-template-fill-mergeDocument Tools
Render email HTML content to PDF with preserved basic formatting using Puppeteer
libreoffice-html-mail-to-pdf