Subscript Generator

Copy and Paste Subscript Fonts ₁₂₃ to Add Scientific, Math, or Stylish Text

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What is Subscript Text?

Subscript is small text that sits below the normal line, like H₂O, CO₂, or x₁. It’s used in chemistry formulas, math indices, and science notes because it keeps things compact and clear. Outside of school, people also use subscript as a subtle styling trick in bios and captions for a “technical” look.

This Subscript Generator makes subscript using Unicode characters, so you can copy and paste the result into many apps without any special formatting tools. It’s not a font download and it’s not an image. One limitation: Unicode doesn’t include subscript versions for every character, so some letters or symbols may stay normal. If you’re writing a formal document, the subscript feature in your editor is still best—but for quick copy/paste, this is the fastest option.

How to Generate Subscript Text and Copy Paste

Type your text into the box above (example: H2O, CO2, x1).
Look for the subscript output in the results.
Copy the subscript text.
Paste it into your notes, message, caption, or formula.
Preview it once after pasting to check spacing.
If something won’t convert, simplify the text or try another style.

FAQs

How do I write H₂O?

Type H2O and copy the subscript result that shows H₂O.

How do I write CO₂?

Type CO2 and copy the output with the subscript 2: CO₂.

Is this the same as a subscript button in Word?

No. Word uses formatting. This tool outputs Unicode subscript-like characters so the look stays when you paste it.

Does subscript work on Instagram, TikTok, and Discord?

Often yes, but results can vary. Paste it once and confirm it displays correctly in the app you’re using.

Why don’t all letters turn into subscript?

Unicode support is limited. Some characters don’t have a true subscript version.

Will everyone see it the same way?

Mostly, but font rendering differs by device. Use simple characters for the most consistent display.

Is the Subscript Generator free?

Yes. Generate subscript text and copy/paste anytime.