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Most Popular Converters

Find the calculators and converters people use most, arranged using the same popularity order as the homepage.

450 active tools available

Popular tools

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Document Tools
CSV to Excel
Convert CSV to Excel online for free. Upload CSV files and download clean XLSX spreadsheets quickly for editing and data work.
Developer Tools
CSV to HTML Table Converter
Convert CSV to an HTML table securely. Generate responsive, accessible table markup with escaped cells and download a complete styled HTML file.
Document Tools
CSV to JSON
Convert CSV to JSON online for free. Upload CSV files and download clean JSON data fast for apps, APIs, and developers.
Developer Tools
CSV to SQL Converter
Convert CSV to SQL online securely. Generate a CREATE TABLE and escaped INSERT statements, then download a ready-to-use SQL file.
Excel Tools
CSV to XML Converter
Convert CSV to XML online. Upload or paste CSV data, customize root and row tags, preview XML, copy code, and download XML easily.
Developer Tools
CSV to YAML Converter
Convert CSV to YAML online securely. Upload comma-separated data, create readable YAML records, and download the result quickly.
Scientific and Unit Converters
Data Transfer Rate Converter
Convert data transfer rates between bps, Kbps, Mbps, Gbps, KB/s, MB/s, GB/s and binary units with an optional download time estimator.
Image Tools
DDS to PNG Converter
Convert DDS to PNG online. Upload DDS texture file, keep transparency, preview image, and download clean PNG easily.
PDF Tools
DJVU to PDF Converter
Convert DJVU to PDF online. Upload DJVU file, create PDF document, download output, and manage document conversion easily.
Developer Tools
DNS Lookup Tool
Check DNS records online. Lookup A, AAAA, MX, NS, TXT, CNAME, SOA records, IP address, nameservers, and domain DNS details.
Word Tools
DOC to DOCX
Convert DOC to DOCX online for free. Upload old Word DOC files and download modern DOCX documents quickly and safely.
Developer Tools
DOCX to EPUB Converter
Convert DOCX to EPUB online. Upload a Word file, create an ebook, preview text, and download an EPUB file instantly.
Word Tools
DOCX to HTML Converter
Convert DOCX to HTML online. Upload Word document, extract text, tables, images, and formatting, then copy or download clean HTML.
Word Tools
DOCX to JPG Converter
Convert DOCX to JPG online. Upload Word DOCX file, create JPG page images, preview pages, and download converted images easily.
PDF Tools
DOCX to Markdown Converter
Convert DOCX to Markdown online. Upload a Word file, extract clean Markdown, preview it, and download an MD file.
Document Tools
DOCX to ODT Converter
Convert DOCX to ODT online. Upload a Word file, extract readable content, create an OpenDocument file, and download ODT instantly.
Word Tools
DOCX to PDF
Convert DOCX to PDF online. Upload Word documents, convert to PDF, download output, and keep formatting clean with a simple tool.
Document Tools
DOCX to RTF Converter
Convert DOCX to RTF online. Upload a Word file, extract text, preserve basic formatting, and download an RTF file.
Document Tools
DOCX to TXT Converter
Convert DOCX to TXT online. Upload a Word document, extract clean text, preview it, and download a plain TXT file.
Document Tools
DOCX to XML Converter
Convert DOCX to XML online. Upload a Word file, extract structured content, preview XML, and download an XML file.
Scientific and Unit Converters
DPI to PPI Converter
Convert DPI to PPI instantly with accurate formulas. Calculate image resolution, print density and screen pixel density for digital and print projects.
Utility Tools
Duplicate Line Remover
Remove duplicate lines online for free. Clean repeated lines, sort text, trim spaces, copy output, and download cleaned text instantly.
Image Tools
DWG to PDF Converter
Convert DWG to PDF online. Upload AutoCAD drawing, generate a clean PDF preview, and download your converted file easily.
Image Tools
DXF to PDF Converter
Convert DXF to PDF online. Upload AutoCAD DXF drawing, create a clean PDF preview, and download your converted file easily.