# PicShield - Blur & Watermark — Watermark, Compress & Resize

> Watermark, Compress & Resize (iPhone/iPad app by 冯泰 蔡.)

- Source: https://appshunter.io/ios/app/picshield-blur-and-watermark/id6792524094 (this page in markdown: same URL + `.md`)
- Developer: [冯泰 蔡](https://appshunter.io/developer/1896641064)
- Category: Utilities
- Price: Free
- Age rating: 4+
- Requires: iOS 26.0 · 6 MB
- Languages: American English, Chinese (Simplified, China)
- Released: 2026-07-30
- Data updated: 2026-08-16
- User reviews in markdown: https://appshunter.io/ios/app/picshield-blur-and-watermark/id6792524094/reviews.md

## What is PicShield?

PicShield - 100% On-Device ID Watermark & Photo Privacy Eraser】
PicShield (图盾) is a professional iOS privacy utility designed to protect your sensitive ID documents and photo metadata. Whether you are submitting ID copies for loans, rentals, visa applications, or sharing everyday photos on social media, PicShield keeps your identity safe.
【KEY FEATURES】
1. Smart ID Text Redaction
Powered by Apple Vision on-device AI engine to auto-detect and blur sensitive info including ID numbers, phone numbers, and full names with single-color masks, Gaussian blur, or pixelated mosaic.
2. Multi-Page ID Card Stitching
Seamlessly auto-align 1 to 4 ID card photos into standard vertical or horizontal collage layouts.
3. Fullscreen Anti-Theft Watermarking
Fully customize text, font size, opacity, rotation angle, grid tiling, and outline strokes to prevent unauthorized reuse or copying.
4. EXIF & GPS Location Scrubber
Photos often embed precise GPS latitude/longitude and device serial numbers. PicShield automatically wipes all sensitive EXIF metadata upon export to safeguard your residential privacy.
5. High-Quality Lossless Compression
Save 60% to 90% storage space with our intelligent quantization compressor while keeping crisp visual detail for fast sharing.
【100% OFFLINE PRIVACY PROMISE】
All image processing runs 100% locally in your iPhone's hardware sandbox. Zero network upload. Zero data tracking.
Support & Inquiries: caifengtai@fptkeji.com


## Version history (last 2 releases)

### 1.5 — 2026-08-12

Performance boosted & smoother than ever! All photo editing remains 100% offline and safe.

### 1.1 — 2026-07-30

No release notes.

## More apps by 冯泰 蔡

- [Shield 2FA Authenticator](https://appshunter.io/ios/app/shield-2fa-authenticator/id6773809514)
- [Process Engineer Calc - LMS](https://appshunter.io/ios/app/process-engineer-calc-lms/id6774295442)

All apps by 冯泰 蔡: https://appshunter.io/developer/1896641064

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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 2026-08-16.*