Sentence Capitalizer - Sentence Capitalization Online

Convert capitalization style

Number of characters: {input.length}

Number of words: {input.trim() ? input.trim().split(/\s+/).length : 0}

Free Online Capitalization Converter - Sentence Capitalizer & Case Converter

Tan Phat Digital's free online capitalization conversion tool supports 6 conversion types: Sentence case (capitalization at the beginning of sentences), Title Case (capitalization at the beginning of each word), UPPER CASE (all uppercase letters), lower case (all lowercase letters), aLtErNaTiNg CaSe (alternate), InVeRsE cAsE (reverse). Count characters and words automatically. Copy results with one click. Use output as new input to chain multiple transformations. Useful for content writers, copywriters, social media managers, and developers. Offline processing in the browser, unlimited text length.

Outstanding features

Sentence case - Capitalize the beginning of a sentence (after the . ! ?)
Title Case - Capitalize the first letter of each word
UPPER CASE - Converts all to uppercase
lower case - Converts all to lower case
aLtErNaTiNg CaSe - Alternating flower/normal
InVeRsE cAsE - Inverts flower to normal and vice versa
Count characters automatically
Count words automatically
Copy results with one click
Use output as new input
Process unlimited length text
Offline processing on browser
Completely free

Why do we need a capitalization converter?

Capitalization conversion is a frequent need in many situations. Fix Caps Lock error: Accidentally typed an entire paragraph with Caps Lock on, need to switch to lowercase. Create standard titles: Title Case is the standard for headlines, book titles, article titles in English. Text format: Ensure consistency in documents and presentations. Social media: Create unique text styles with alternating cases. Programming: Convert between naming conventions (camelCase, snake_case, CONSTANT_CASE). Data cleaning: Standardize text data before importing into the database. This tool helps make these conversions in seconds instead of manually editing each character.

Benefits when used

  • Save time compared to manual editing
  • Ensure consistency in text
  • Quickly fix Caps Lock error
  • Create a standard title Title Case
  • Supports many conversion types
  • Unlimited text length
  • 100% free

How to use Sentence Capitalizer

  1. 1Enter or paste the text to be converted into the input box
  2. 2See the number of characters and words counted automatically
  3. 3Click the desired conversion type button (Sentence case, Title Case, etc.)
  4. 4See the results appear in the output box below
  5. 5Click
  6. 6to copy the result to clipboard
  7. 7Or click
  8. 8to chain multiple transformations
  9. 9For example: UPPER CASE → Used as input → lower case

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