Subscript Generator
Convert text and numbers to ₛᵤᵦₛ꜀ᵣᵢₚₜ Unicode characters. Great for chemistry, math, and notes.
Examples
Normal
H2O CO2 x0
Subscript
H₂O CO₂ x₀
What Is a Subscript Generator?
A subscript generator converts numbers and select letters into their Unicode subscript equivalents — tiny characters that sit below the normal text baseline. For example, "2" becomes "₂" and "n" becomes "ₙ".
Subscript is essential for writing chemical formulas (H₂O, CO₂, C₆H₁₂O₆), mathematical notation (x₁, x₂, aₙ), and footnote references. Since these are Unicode characters, they work on any platform without special formatting.
Use Cases
- Chemical formulas: Write H₂O, CO₂, NaCl, C₆H₁₂O₆ correctly
- Math notation: Express variables like x₁, x₂, xₙ in equations
- Footnotes: Add subscript reference numbers to text
- Scientific writing: Proper notation for physics and engineering formulas
- Social media: Use subscript for creative text effects in posts and bios
Frequently Asked Questions
Which characters can be subscripted?
Unicode provides subscript versions for digits 0-9 and some letters (a, e, h, i, j, k, l, m, n, o, p, r, s, t, u, v, x). Characters without subscript equivalents are left unchanged.
Does subscript text work on social media?
Yes. Unicode subscript characters display correctly on Instagram, Twitter/X, Facebook, Discord, and most messaging platforms on all devices.
Is this the same as HTML subscript?
No. HTML uses <sub> tags that only work on web pages. Unicode subscript characters work everywhere — social media, chat apps, email, and text files.
Is this tool free?
Yes, completely free. No account, no limits, and all processing happens in your browser.