Subscript Generator

Turn text into subscript characters for formulas and creative copy. This Subscript Generator converts characters to Unicode subscript equivalents for scientific formulas and stylized text. Ideal for superscript and subscript LaTeX-style formatting using Unicode characters.

Whether you call it subscript text or superscript and subscript latex, this free tool handles it instantly in your browser.

3 chars1 words
3 characters, 1 words
Live preview
ₕ₂ₒ

Example usage

Example input

H2O

Example output

H2O

Batch Processing

Enter multiple inputs, one per line. Each line will be processed separately.

Why this tool?

Everything runs right in your browser — no uploads, no sign-up, no waiting. Your text never leaves your device.

Quick tips

  • Outputs update live as you type.
  • Use the sticky copy button to grab results quickly.
  • Bookmark this page for fast access.

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How it works

  • Characters are mapped to Unicode subscript equivalents when available.
  • Unsupported symbols remain unchanged for readability.
  • Instant preview lets you copy without surprises.

Use cases

Science formulas.
Footnotes.
Stylized captions.
Create superscript and subscript LaTeX-style formatting.

How Unicode subscript characters work — and their limits

True subscript in a word processor is formatting: the app renders normal characters smaller and lower. Unicode subscript is different — characters like ₂ and ₓ are separate code points (mostly in the Superscripts and Subscripts block, U+2080–U+209C) that carry the styling in the character itself. That is why they survive plain-text places formatting cannot reach: social bios, YouTube comments, filenames, chat apps.

The catch: coverage is incomplete. All ten digits exist (₀–₉), plus symbols (₊ ₋ ₌) and a limited set of letters (ₐ ₑ ₕ ᵢ ⱼ ₖ ₗ ₘ ₙ ₒ ₚ ᵣ ₛ ₜ ᵤ ᵥ ₓ). There is no subscript b, c, d, f, or q in Unicode — this tool substitutes the closest available form or leaves the character unchanged, which is a Unicode limitation, not a bug.

Chemistry and math done right in plain text

The most common real use is chemical formulas: H₂O, CO₂, C₆H₁₂O₆ (glucose), CaCO₃. Since digits have full subscript coverage, formulas almost always render perfectly. In math, subscripts express indices and sequence terms — x₁, x₂, aₙ — and all of those letters happen to exist.

For serious documents, use real formatting (Ctrl+= in Word, _{} in LaTeX) since it works for every character and scales with fonts. Use Unicode subscript when formatting is impossible: messaging apps, code comments, spreadsheets cells, and social posts.

Text Style

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Conversion History

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FAQ

How do I create superscript and subscript LaTeX-style text?

Use our Subscript Generator for subscript text and our Superscript Generator for superscript text. While these tools use Unicode characters (not LaTeX syntax), they produce similar visual results that work in most text editors, social media, and documents without requiring LaTeX compilation.

Which numbers are supported?

Digits 0-9 have subscript versions; select letters do as well.

Will spacing change?

Spacing is preserved; only character shapes change.