Document & data tools

Spreadsheets, structured text, Markdown, and Word preview—handled in your browser. Pair with PDF tools or your OS print dialog when you need a PDF.

Note: Native Word/Excel/PowerPoint ↔ PDF usually requires server-side converters or desktop apps. Here you get open XLSX/CSV/JSON/Markdown workflows plus DOCX → HTML then Ctrl+P → Save as PDF.

Spreadsheet & structured data

CSV ↔ JSON

Header row to object array and back.

Open

Excel → CSV

XLSX / XLS to comma-separated text.

Open

CSV → Excel

Build a downloadable XLSX.

Open

JSON formatter

Format, minify, validate.

Open

Text & markup

Markdown preview

Live HTML preview.

Open

Word → HTML

DOCX preview; print to PDF.

Open

XML formatter

Pretty-print XML.

Open

HTML entities

Encode / decode entities.

Open

Text case

Upper, lower, title, sentence.

Open

Remove duplicate lines

Deduplicate lists.

Open

Developer helpers

Base64

Encode/decode text & files.

Open

Epoch / date-time

Unix ↔ calendar.

Open

Number bases

Binary ↔ hex ↔ dec.

Open

UUID

Batch UUID v4.

Open

SHA hashes

SHA-256/384/512 text.

Open

Lorem ipsum

Placeholder text.

Open