Silly Croc

Content rating
Everyone
10+
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Content rating
Everyone
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About this app

Read freely in any language. Don't let a foreign vocabulary break your focus.

We all know the struggle: you are deep into a gripping novel, a fascinating non-fiction book, or an important document, but it's not in your native language. Every time you encounter an unfamiliar word, you have to stop reading, switch to a translation app, type or paste the word, and then try to find your place again. It breaks your concentration and ruins the joy of reading.

Despite its playful name, Silly Croc is a powerful, distraction-free PDF reader designed specifically to solve this problem. It brings the dictionary directly to you, letting you translate words instantly without ever leaving the page.

Key Features:
* Instant On-Page Translation: Tap any word or phrase, and the translation appears immediately in a clean bubble right above the text. No app-switching required.
* Smart Text Selection: Easily select single words or drag the adjustment handles to translate full sentences smoothly and accurately.
* Save Your Vocabulary: Found a useful word? Save it to your personal vocabulary list with a single tap so you can review and remember it later.
* Horizontal Canvas Lock: Lock the screen's horizontal panning so you can scroll down naturally without the page drifting from side to side.
* 100% Private & Local: No accounts to create, no subscriptions, and no cloud servers tracking your reading habits. Your PDFs and saved words stay securely on your own device.

Whether you are studying complex materials, practicing a new language, or just enjoying a great book, Silly Croc keeps you immersed in the story.

Download Silly Croc today and get lost in your reading, not in the dictionary.
Translate PDF books instantly without ever leaving the page.
Updated on
Oct 14, 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

What’s new

1.0.4 What's new in Silly Croc :
• Faster translations: Reduced wait time when selecting single words.
• Smart Audio: Text-to-Speech (TTS) now dynamically matches the detected language.
• Manual Flashcards: You can now manually add new words directly to your folders.
• Improved UI: Responsive "My Study Zone" design for both phones and tablets.
• New Onboarding: Helpful tooltips to guide first-time users.
• Easy Sharing: "Share App" now includes the official Play Store link.
Content rating
Everyone
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App support

About the developer
YITZCHAK YOSEF COHEN
sillycrocapp@gmail.com
Israel