Best Free Online Developer Tools to Use in 2026
A practical, opinionated list of the best free online developer tools worth using in 2026, organized by category so you can find what you need fast.
Aug 08, 2026
HTML Entity Detail
HTML Entity - Alpha
Alpha is a lowercase Greek alphabet letters used in formulas, constants, and academic notation. This HTML entity enables web developers to display this character reliably across all browsers without encoding issues.
Symbol preview
α
Unicode
U+03B1
HTML entity
α
CSS code
\03B1
Usage Examples
Use this HTML entity in mathematical formulas and scientific constants. For example, π for pi, α for alpha, β for beta.
Common Mistakes
⚠️
Mistake: Confusing Greek α (alpha) with Latin a
Fix: Greek alpha α and Latin a look similar but are different characters. Use α for Greek text and mathematical variables, not as a substitute for "a".
⚠️
Mistake: Confusing Greek α with Cyrillic а
Fix: Greek alpha α, Cyrillic а, and Latin a look nearly identical but have different Unicode codepoints. Always use the correct character for the language.
Alpha
Select any code to highlight it before copying.
Category: Greek Alphabet - Small Letters
| Unicode | U+03B1 |
|---|---|
| Hex Code | α |
| HTML Code | α |
| HTML Entity | α |
| CSS Code | \03B1 |
| Windows Shortcut | |
| Mac Shortcut | |
HTML code example
CSS code example
Last updated: 17 Aug 2026
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