Content rating
Everyone
100+
Downloads
Content rating
Everyone
Learn more
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image

About this app

Lotto Star is your all-in-one offline text and data toolbox. Everything runs locally on your device — no internet connection required, no data ever sent to a server.

Whether you're a developer, tester, or power user, Lotto Star gives you the tools you need, right in your pocket.

🔤 TEXT FORMATTING
• Trim leading and trailing whitespace
• Remove duplicate lines
• Sort lines A–Z or Z–A
• Normalize spaces and line breaks
• Wrap text at a custom column width

🔐 ENCODE / DECODE
• Base64 encode and decode
• URL encode and decode
• HTML encode and decode
• All operations work completely offline

#️⃣ HASHING & ID GENERATION
• Generate cryptographic hashes: MD5, SHA-1, SHA-256, SHA-512
• Generate unique identifiers: UUID v4, NanoID, NanoID (short)
• Generate secure passwords
• One tap to copy any result

🔑 JWT VIEWER
• Paste any JWT token to decode its header, payload, and signature
• View all claims in a readable format
• No token ever leaves your device
• Works with all standard JWT formats

🔁 CASE CONVERSION
• Convert between all common naming conventions in one tap:
– camelCase
– snake_case
– SCREAMING_SNAKE_CASE
– PascalCase
– kebab-case
– Title Case

📋 HISTORY
• Every transformation is saved automatically
• Quickly revisit previous inputs and outputs
• Enable Secure Buffer mode to skip history for sensitive data

🛡 PRIVACY BY DESIGN
• 100% offline — zero network calls, ever
• No account required
• No analytics or tracking
• All data stays on your device

Perfect for developers encoding API responses, security professionals generating hashes, or anyone who needs reliable text manipulation without sending data to the cloud.

Download Lotto Star and get every text tool you need — fast, private, and always offline.
Updated on
May 21, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
Learn more about how developers declare sharing
No data collected
Learn more about how developers declare collection
Content rating
Everyone
Learn more

App support

About the developer
TECH Industrie- Wartung GmbH
mohrasheed88@outlook.com
Rudolf-Winkel-Str. 16 37079 Göttingen Germany
+44 7347 036936