CaseConverter Pro

Advanced text case converter with batch processing. 100% private, works offline.

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Privacy-First Works Offline

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Features

🔒

Privacy-First

100% client-side. Your text never leaves your browser. No servers, no tracking, no accounts.

⚡

Lightning Fast

Convert text in milliseconds. No loading spinners, no network requests.

📄

Batch Processing

Process hundreds of lines at once. Perfect for CSV columns, code refactoring, data cleaning.

📦

Import / Export

Import CSV, JSON, or plain text. Export results as TXT or CSV.

🌐

Works Offline

Single HTML file. Save it, use it anywhere without internet. Pro users get standalone version.

⌨️

Hotkeys

Ctrl+Enter to convert, Ctrl+Shift+C to copy, Ctrl+Shift+V to paste and convert.

How it works

1

Paste or type your text

Enter your text in the input area. One item per line for batch mode.

2

Choose target case format

Select from 15+ case formats. Free tier gets 4 basics.

3

Get converted result instantly

Instant conversion. Copy, export, or save to history.

4

Batch process lists

Enable batch mode to convert entire lists at once.

FAQ

Is my data private?
Yes. CaseConverter Pro runs 100% in your browser. Your text never leaves your device - no uploads, no servers, no tracking.
Does it work offline?
Yes. It's a single HTML file that requires no internet at all. Pro users get a downloadable standalone version.
What is the free tier limit?
Free tier allows 10 conversions per day. Counter resets at midnight local time. Pro unlocks unlimited conversions.
How do I upgrade to Pro?
Purchase a license key (format: CASE-PRO-XXXXXXXX) from our store, then enter it in the app. Pro unlocks unlimited conversions, batch mode, 15+ case formats, and history permanently.
What case formats are supported?
Free: camelCase, snake_case, kebab-case, PascalCase. Pro adds: SCREAMING_SNAKE, Train-Case, dot.case, path/case, Header-Case, Constant_Case, lowercase, UPPERCASE, Capital Case, Sentence case, and custom delimiters.

Pricing

Free

$0
Forever

For occasional use

  • 10 conversions/day, 4 basic cases, single input

Pro

$7
Lifetime

Unlock everything forever

  • Unlimited, 15+ cases, batch mode, CSV/JSON, history, offline version, hotkeys