Subscript Generator

Summary

Type or paste text and instantly get Unicode subscript characters ready to copy anywhere — no HTML tags needed.

How it works

1. Type or paste text into the input field on the left.
2. Supported digits and letters are instantly converted to Unicode subscript characters.
3. Unsupported characters pass through unchanged so your full text is preserved.
4. Click "Copy Output" to copy the result to your clipboard.
5. Use the quick-insert grid below to click individual subscript characters into the input.
6. Refer to the reference table for Unicode code points and HTML entities.

Use cases

• Write chemical formulas such as H₂O, CO₂, and C₆H₁₂O₆ in plain-text editors.
• Format math subscript variables like x₁ and x₂ in documents and spreadsheets.
• Add subscript notation in social media posts where HTML is not supported.
• Insert subscript characters in code comments and documentation strings.
• Annotate footnotes and scientific references in plain text.
• Format ion charges and isotope numbers in science notes.
• Create styled usernames and bios with subscript digits.
• Produce subscript text for messaging apps that strip HTML formatting.

Frequently Asked Questions