File Tools
Free online file tools. Convert spreadsheets, encode Base64, create ZIPs, and more. All processing happens in your browser.
Convert Spreadsheet
Convert between spreadsheet formats including Excel (.xlsx), CSV, TSV, and JSON. All conversion happ...
Markdown to HTML
Convert Markdown text to HTML with support for tables, code blocks, footnotes, and GitHub-flavored M...
YAML to JSON
Convert YAML files to JSON format and vice versa. Validates your input and provides formatted, prett...
Clean CSV
Clean up messy CSV files. Remove empty rows, fix encoding issues, normalize delimiters, validate str...
Base64 Encode / Decode
Encode text or binary files to Base64, or decode Base64 back to original content. Supports files, te...
Hash Checker
Calculate MD5, SHA-1, SHA-256, and SHA-512 hashes of files or text. Compare against a known hash to ...
ZIP Tool
Create ZIP archives from multiple files or extract contents from existing ZIP files. Runs entirely i...