postchars.Open workspace
TEXT CASE CONVERTER

Change text case in one click.

Convert text to uppercase, lowercase, title case or sentence case. Keep your wording and change only the presentation.

Private by design Instant results Always free
YOUR TEXT WORKSPACE

Write, count, refine.

Your text stays in this browser
YOUR TEXT
Your text is processed locally — nothing is uploaded.
Characters
0
No spaces
0
Words
0
Sentences
0
Paragraphs
0
Read time
0 min

Check a platform limit

Choose a channel to see how your text fits.

REFERENCE LIMITS
Select a platform to compare your character count with its reference limit.

Quick text tools

Apply a change to the text above.

THE TOOLKIT

One place for everyday text tasks.

Simple utilities for writing, publishing and polishing.

01COUNT

Character Counter

Count every character, including spaces and punctuation.

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02COUNT

Word Counter

Track words, sentences, paragraphs and reading time.

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03SOCIAL

X Post Counter

Check a draft against the standard X post limit.

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04SOCIAL

Instagram Caption Counter

Keep captions within a commonly used character limit.

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05SOCIAL

LinkedIn Post Counter

Check the length of a professional update.

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06FORMAT

Text Case Converter

Switch between uppercase, lowercase and title case.

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07ADS

Google Ads Counter

Validate 30-character headlines, 90-character descriptions and display paths.

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08CLEAN

Remove Line Breaks

Turn broken copied text into clean, readable lines.

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BUILT FOR THE WAY YOU WRITE

Format text without retyping

A text case converter is useful when copied text arrives in the wrong format or a heading needs consistent capitalization. Paste your text once, choose a case style, and copy the result. All transformations run locally in your browser.

Private by defaultYour text is processed in your browser.
No waitingCounts and transformations update instantly.
No account neededOpen a tool and get straight to work.
POSTCHARS PRINCIPLE

Useful tools.
No unnecessary steps.

Fast, focused utilities that respect your time and your text.

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GOOD TO KNOW

Frequently asked questions

Clear answers about counting, formatting and privacy.

What case styles are available?+

PostChars supports UPPERCASE, lowercase, Title Case and Sentence case.

Will converting case change punctuation?+

No. The converter changes letter casing and preserves punctuation, numbers and line breaks.

Is the original text overwritten?+

The selected transformation updates the workspace. You can undo it with your browser keyboard shortcut while the editor is focused, or paste your original text again.