Online converters for files, units, and structured data

Temperature Converter

Convert Celsius, Fahrenheit, Kelvin, and Rankine with affine offsets and an absolute-zero check.

Thermal Resistance Converter

Convert known thermal resistance without inferring geometry or conductivity.

TSV to JSON

Convert header-based TSV into a JSON record array without guessing scalar types.

Calculators

Volume Discount Calculator

Apply one all-units discount to a qualifying order quantity.

Weight Converter

Convert practical mass units through kilograms while keeping the mass-versus-force boundary explicit.

XML to Excel

Project repeated flat XML records into a styled XLSX worksheet while blocking DTDs and entities.

Coordinates Converter

Rewrite latitude and longitude among DD, DDM, and DMS notation without claiming a datum transformation.

Creator Economy

Creator Blog to Reel Script Converter

Create a bounded, browser-local creator blog to reel script converter with visible assumptions, review guidance, and downloadable output.

Creator Economy

Creator Newsletter to Social Posts Converter

Create a bounded, browser-local creator newsletter to social posts converter with visible assumptions, review guidance, and downloadable output.

Creator Economy

Creator Thread to Carousel Converter

Create a bounded, browser-local creator thread to carousel converter with visible assumptions, review guidance, and downloadable output.

Data Rate Converter

Convert bit and byte transfer rates while preserving decimal and binary prefix conventions.

Density Converter

Convert mass density through kilograms per cubic metre with volume conventions labelled.

DOCX to EPUB

Convert DOCX into EPUB locally, with explicit format controls, bounded validation, a reviewable preview when practical, and a separately named download.

Duration Unit Converter

Convert fixed elapsed intervals through seconds without applying calendar or timezone rules.

Electric Current Converter

Convert decimal ampere prefixes without inferring waveform, charge, or conductor suitability.

Electric Field Strength Converter

Convert known electric field strength through volts per metre without deriving field geometry.

Energy Density Converter

Convert known energy per volume without treating it as heat flux or total energy.

ENV to EPUB

Convert ENV into EPUB locally, with explicit format controls, bounded validation, a reviewable preview when practical, and a separately named download.

ENV to Markdown

Convert ENV into Markdown locally, with explicit format controls, bounded validation, a reviewable preview when practical, and a separately named download.

ENV to NDJSON

Convert ENV into NDJSON locally, with explicit format controls, bounded validation, a reviewable preview when practical, and a separately named download.

ENV to ODS

Convert ENV into ODS locally, with explicit format controls, bounded validation, a reviewable preview when practical, and a separately named download.

ENV to ODT

Convert ENV into ODT locally, with explicit format controls, bounded validation, a reviewable preview when practical, and a separately named download.

ENV to PDF

Convert ENV into PDF locally, with explicit format controls, bounded validation, a reviewable preview when practical, and a separately named download.

ENV to Plain Text

Convert ENV into Plain Text locally, with explicit format controls, bounded validation, a reviewable preview when practical, and a separately named download.