Homophone Checker Check for common homophone mistakes like their/there/they're.

What Is Homophone Checker?

Scans for 37 homophone groups (words that sound alike but differ in meaning/spelling). These are errors spellcheck cannot catch since all are valid words. Flags for manual review with clear definitions. Covers their/there/they're, your/you're, its/it's, affect/effect, and 33 more groups.

Why Use Homophone Checker?

• Catches errors spellcheck misses
• 37 homophone groups
• Flags for review, no incorrect auto-corrections
• Includes tricky pairs like affect/effect
• Shows which groups appear in text

Common Use Cases

Proofreading

Final check for embarrassing errors.

ESL Writing

Learn commonly confused words.

Professional Email

Avoid credibility damage.

Student Writing

Learn word differences.

Technical Guide

37 homophone groups with word-boundary regex, case-insensitive, apostrophe handling. Entire group reported when any member found. No auto-correction as context understanding required.

Tips & Best Practices

• 1
  Most common: their/there, your/you're, its/it's
• 2
  Can substitute "you are"? Use you're; else your
• 3
  "its" possessive like "his"; "it's" means "it is"
• 4
  Affect usually verb; effect usually noun
• 5
  Read with each definition to decide

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Frequently Asked Questions

Q Why not spellcheck?

Spellcheck only checks if word exists. All homophones are valid words.

Q Auto-corrects?

No. Requires context understanding beyond pattern matching.

Q How many groups?

37 commonly confused pairs and triples.

Q Flags every "to"?

Only if found. Flags remind you to verify in context.

Q For formal documents?

Especially valuable where errors are most embarrassing.

About This Tool

Homophone Checker is a free online tool by FreeToolkit.ai. All processing happens directly in your browser — your data never leaves your device. No registration or installation required.