Subscript Generator
Convert letters and digits into subscript unicode (like H₂O and CO₂).
Quick answer
Convert letters and digits into subscript unicode (like H₂O and CO₂).
How do I use the Subscript Generator?
- 1
Type any text or formula.
- 2
See the subscript preview.
- 3
Copy into your doc, chat or bio.
What is the Subscript Generator?
The Subscript Generator converts digits, letters and common symbols into unicode subscript. Great for chemistry formulas (H₂O, CO₂), math indexes and playful captions.
Who is the Subscript Generator for?
Students, science teachers, and social-media stylists.
Why use the Subscript Generator?
- Supports digits, some letters, +, -, =, (, ).
- Instant preview.
- Copy-ready unicode.
- Works in most modern apps.
- Runs offline.
When should I use the Subscript Generator?
- Chemistry formulas.
- Math indexes.
- Fancy footnotes.
- Product model numbers.
- Playful captions.
Is the Subscript Generator safe and private?
Yes. This tool runs entirely inside your browser - your text is never uploaded, stored on our servers or shared with third parties. You can even disconnect from the internet after the page loads and it will keep working. That makes it safe for confidential notes, drafts, private messages and unpublished work.
How do I get the best results from the Subscript Generator?
- Prefer Word's real subscript for print documents.
- Some consonants have no unicode subscript.
- Pair with Superscript for full formulas.
- Test in your target app before posting.
Frequently asked questions
Are all letters supported?
Digits and most vowels are; a few consonants have no unicode subscript and stay unchanged.
Is my text uploaded?
No - conversion is local.
Will it render on all devices?
Most modern devices render it cleanly; very old apps may fall back to boxes.
Does case matter?
Subscript letters exist only in lowercase - uppercase input is normalised.
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