Free Online Text, Code & Image Tools
Paste your text and convert it instantly
Why People Love Using Casetivo
Let's be real: sometimes you just need to format a messy JSON file, convert an image to WebP, or quickly change text to UPPERCASE without downloading heavy software. That's exactly why we built Casetivo. It gives you 60+ handy, browser-based utilities that just work. Since everything runs directly on your device, your data stays private and you don't have to deal with annoying server uploads or paywalls. Whether you're a developer pushing code, a writer drafting content, or a student organizing notes, we've got a free tool to save you time.
Case converters, code formatters, image converters, random generators, and more.
All processing runs locally in your browser. Your text never leaves your device.
No rate limits, no login, no subscription. Paste any amount of text and convert instantly.
Popular Tools
JSON Formatter
Paste minified or broken JSON and instantly format it with proper indentation, syntax highlighting, and error detection.
Base64 Encoder & Decoder
Encode any string to Base64 or decode Base64 back to plain text. Supports UTF-8 and binary data.
UUID Generator
Generate RFC 4122 compliant UUIDs (v1 and v4) in bulk. Copy individual or all at once for use in databases and APIs.
Case Converters
Convert text to sentence case, UPPER CASE, lower case, Title Case, Capitalized Case, or iNVERSE cASE in one click.
Image Converters
Convert between JPG, PNG, WebP, and SVG formats directly in your browser. No file size limits, no server uploads.
Duplicate Line Remover
Remove duplicate lines from any list or dataset, preserving original order. Ideal for email list cleaning and data deduplication.
Frequently Asked Questions
What is Casetivo?
Casetivo is a free suite of 60+ browser-based utilities, including text case converters, JSON formatters, image converters, and developer tools.
Who is it for?
It's built for developers, copywriters, students, and anyone else who needs to quickly format data, text, or images without installing new software.
How secure is my data?
Extremely secure. All processing runs entirely locally inside your web browser. We never upload your text, files, or data to our servers.
Can I manage multiple cases?
Yes! Our case converter tool supports multiple text formats, including sentence case, UPPER CASE, lower case, Title Case, Capitalized Case, and iNVERSE cASE.
Does it work on mobile?
Absolutely. Casetivo is fully responsive and works seamlessly directly from your smartphone or tablet browser.
Can I import existing cases?
You can easily paste any existing text, code snippets, or data directly into our tools to convert or format them instantly.
Is there a free trial?
You don't need one! Casetivo is 100% free forever. There are no accounts to create, no subscriptions to buy, and no annoying rate limits.
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