# Norkta — PDF Processing Powerhouse

> PDF Processing Powerhouse (iPhone/iPad app by Zixiang Zhang.)

- Source: https://appshunter.io/ios/app/norkta/id6757136201 (this page in markdown: same URL + `.md`)
- Developer: [Zixiang Zhang](https://appshunter.io/developer/1864080804)
- Category: Productivity, Utilities
- Price: Free
- Age rating: 4+
- Requires: iOS 18.6 · 1 MB
- Languages: English, French, German, Japanese, Korean, Chinese
- Released: 2026-01-09
- Data updated: 2026-05-14
- User reviews in markdown: https://appshunter.io/ios/app/norkta/id6757136201/reviews.md

## What is Norkta?

Meet Norkta, the privacy-focused PDF powerhouse designed for efficiency. 

KEY FEATURES

• Compress: Reduce file sizes significantly while maintaining quality.

• Invert Colors: Two algorithms that transform standard PDFs for a comfortable Dark Mode reading experience.

• Merge: Combine multiple documents into a single file in seconds.

• Extract Text: Instantly grab text content from your PDFs for editing or sharing.

WHY NORKTA?

• 100% Local Processing: Your data stays on your device. No servers, no uploads. Simple, fast, and secure. 

• User-Friendly: Clean interface, zero clutter.

• Stunning UI Deisgn: Enjoy a utility that looks just amazing as how it acts, using the latest liquid glass design, feel a chromatic transparent window that floating on your hand. Also supports light mode / dark mode switch.

Take control of your PDFs starting today!

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Norkta, Developed by Zixiang Zhang

Privacy Policy: https://www.zixiangzhang.com/apps/Norkta/norktaPrivacy.html

Norkta's Manual: https://www.zixiangzhang.com/apps/Norkta/user-manual.html

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File handling size is limited to 50mb maximum to prevent memory overflow. New techniques to resolve issues is being investigating and will be implemented on future updates.


## Version history (last 3 releases)

### 1.0.2 — 2026-05-12

Norkta Version 1.0.2 Update Summary

- Optimized system resource usage.
- Fixed some bugs.

### 1.0.1 — 2026-02-12

Norkta Version 1.0.1 Update Summary

- Added Enhanced OCR for image-based and mixed PDFs, with an optional all-page OCR mode.
- Improved extraction quality and stability for scanned documents.
- Improved reliability for encrypted PDFs and page-level processing failures.
- Added multilingual support: Simplified Chinese, Japanese, Korean, French, and German.
- Added a User Manual entry in Settings.
- Improved accessibility with VoiceOver labels/hints and Reduce Motion support.

For more information, please refer to Norkta's Manual: https://www.zixiangzhang.com/apps/Norkta/user-manual.html

### 1.0.0 — 2026-01-09

No release notes.

## More apps by Zixiang Zhang

- [Backtrack](https://appshunter.io/ios/app/backtrack/id6756986708)
- [Rhylm](https://appshunter.io/ios/app/rhylm/id6757115790)
- [Marktap](https://appshunter.io/ios/app/marktap/id6757253951)
- [Texmorph](https://appshunter.io/ios/app/texmorph/id6757441755)

All apps by Zixiang Zhang: https://appshunter.io/developer/1864080804

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-05-14.*