Case Conversion & Formatting: The Complete Guide (Sentence Case, Title Case, ALL CAPS Fixes)

Scope: Capitalization cleanup for docs/emails/PDF copy‑paste (sentence case, title case, acronyms).

TL;DR: Pick a target style first, convert in plain text, then restore acronyms/proper nouns. Don’t convert headings and body text together unless your style guide says so.

Table of contents

• Why capitalization gets messy
• Universal workflow
• Example (Before → After)
• Quick checklist
• FAQ

Why capitalization gets messy

PDFs, slides, and mixed sources often produce ALL CAPS or random capitalization when pasted.

Universal workflow

1. Choose target style → 2) Convert → 3) Restore acronyms → 4) Scan proper nouns → 5) Final skim.

Example (Before → After)

Before

THIS IS A DRAFT TITLE
here is Some Text With RANDOM capitalization.

After

This is a draft title
Here is some text with random capitalization.

Quick checklist

• Choose target style
• Convert in plain text
• Restore acronyms (SEO/API/JSON)
• Check headings vs body

FAQ

Q: Does capitalization affect SEO?
A: Not directly, but it affects readability and engagement.

Q: Why do PDFs paste as ALL CAPS?
A: Some PDFs embed uppercase styling in the exported text.