🔄 Free Online Converters

Convert Excel, JSON, CSV, images, text and documents instantly — all in your browser, no upload, no signup.

🔄 Free File Converters — Excel, JSON, CSV, Image & More

TSM Converters provides 26 free online file conversion tools. Convert Excel spreadsheets to JSON or CSV, transform JSON to XML, compress images, convert image formats, convert Markdown to HTML, and encode text to Binary or Hex — all in your browser with no file uploads and no registration required.

Excel Viewer
Open .xlsx, .xls, .ods files with multi-sheet support

Excel to JSON/CSV
Export spreadsheet data in seconds

Image Compressor
Reduce image file size with quality control

PDF to HTML
Convert PDF pages to HTML with exact visual layout

Markdown to HTML
Live preview with instant conversion

Text to Binary/Hex
Encode and decode text instantly