Text Toolbox: Text Utilities

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About this app

Text Toolbox is a fast, powerful, and 100% offline text processing application designed for developers, writers, students, and productivity enthusiasts. Whether you need to count words in real time, compare two documents, clean up messy whitespace, or convert cases, Text Toolbox gives you all essential text tools in one clean, lightweight interface.

⚡ KEY UTILITIES & FEATURES:

• Word & Character Counter: Real-time calculation of words, characters, characters without spaces, sentences, paragraphs, lines, estimated reading time, and speaking time.

• Case Converter: Instantly transform text into UPPERCASE, lowercase, Title Case, Sentence case, tOGGLE cASE, camelCase, and snake_case.

• Whitespace Cleaner: Trim leading and trailing spaces, eliminate extra spaces between words, remove blank lines, and convert tabs into spaces.

• Text Comparison (Diff Viewer): Compare two text inputs side by side. Highlights added lines (green) and removed lines (red) while providing a similarity match percentage.

• Base64 Encoder & Decoder: Convert plain text into Base64 format and decode Base64 strings safely with URL-safe option support.

• Text Reverser: Flip character order, reverse word order, or reverse entire line order with one tap.

• Find & Replace: Search for words or patterns with match counters, case-sensitivity controls, and full regular expression (Regex) support.

• Duplicate Line Remover: Deduplicate repeated lines while keeping the original ordering and reporting exact removal counts.

• Sort Lines: Sort lists alphabetically (A to Z or Z to A), by line length (shortest/longest), or shuffle randomly.

• History & Favorites: Automatically save recent text operations locally. Bookmark useful results to Favorites, search past entries, and restore inputs whenever needed.

🔒 PRIVACY & SECURITY FIRST:
Text Toolbox works 100% offline. All text processing occurs locally on your device. None of your text inputs, outputs, or history are ever uploaded to cloud servers or shared with third parties.

📱 MODERN DESIGN & CUSTOMIZATION:
• Complete Dark Mode, Light Mode, and System Default theme support.
• 5 theme accent color palettes (Indigo & Cyan, Emerald, Rose, Violet, Amber).
• Convenient One-Tap Copy, Paste, and Share actions.

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DISCLAIMER:
Text Toolbox performs all calculations, text transformations, and encodings locally on the user's device based on standardized text parsing algorithms. While every effort is made to ensure accuracy and performance, the developer shall not be held liable for any loss or inaccuracies resulting from processed text data.

Developer Contact: kuasmakusumya@gmail.com
Fast & offline text utilities: word counter, case converter, Base64 & diff.
Updated on
Oct 12, 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.
  • This app may share these data types with third parties
    Device or other IDs
  • No data collected
    Learn more about how developers declare collection
  • Data is encrypted in transit
  • Data can’t be deleted
Content rating
Everyone
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App support

About the developer
LUMBINI MINERALS AND MINES
mail@lumbinimm.com
Kathmandu Metropolitan City -11 Kathmandu Nepal
+977 974-4464796

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