# PDF-ToolBox — merge,insert,extraction

> Free PDF management tool for merging, editing, signing, and converting documents. (iPhone/iPad app by FAN LIU.)

- Source: https://appshunter.io/ios/app/pdf-toolbox/id1536953433 (this page in markdown: same URL + `.md`)
- Developer: [FAN LIU](https://appshunter.io/developer/1435707531)
- Category: Utilities, Productivity
- Price: Free
- Rating: 4.00/5 from 4 App Store ratings
- Age rating: 4+
- Requires: iOS 15.0 · 13 MB
- Languages: English, Japanese, Chinese, Spanish, Chinese
- Released: 2020-10-26
- Data updated: 2026-06-10
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/pdf-toolbox/id1536953433/reviews.md

## What is PDF?

Further improve the functions of the PDF toolbox, realize PDF merging, inserting, intercepting, sorting, compression, encryption, decryption, transferring pictures, signing, commenting, scanning, adding photos, adding page numbers and other functions. New features are constantly being developed and improved, and all functions are free to use without registration.

Peculiarity:
1. Multi-file merge (the number of files is unlimited), and the number of merged pages is unlimited
2. Support file PDF document insertion into another PDF document
3. Support merge file renaming and encryption
4. Pdf file arbitrary page number interception, specify the number of pages intercepted
5. Manual reordering of PDF files
6. Free to use full function
7. PDF to picture
8. Perfect file import function: external app sharing, directly from the folder to add, from the album to add photos to generate PDFs, scan files to generate PDFs
9. Compression of PDF three levels
10. Enter the password to unencrypt the PDF password and generate a non-encrypted file
11. Add signature to PDF
12. Add highlight annotations to PDF
13. Add page numbers to PDFs
14. ProRAW to HEIF

## Key features

- Merge multiple PDF files
- Insert pages into existing PDFs
- Extract specific pages
- Compress PDF files
- Encrypt and decrypt PDFs
- Add signatures and annotations
- Convert PDFs to images


## Frequently asked questions about PDF

### What are the main functions of PDF-ToolBox?

PDF-ToolBox allows you to merge, insert, extract, compress, encrypt, decrypt, sign, and annotate PDF documents. It can also convert PDFs to images and add page numbers.

### Is PDF-ToolBox free to use?

Yes, all functions of PDF-ToolBox are completely free to use without any registration required.

### Does PDF-ToolBox have ads?

No, PDF-ToolBox does not contain advertisements, providing an ad-free user experience.

### On which devices can I use PDF-ToolBox?

PDF-ToolBox is available for iPhone, iPad, and iPod devices.

### How often is PDF-ToolBox updated?

The latest version, 3.2.3, was released on September 29, 2022. New features are continuously being developed and improved.

### What is the age rating for PDF-ToolBox?

PDF-ToolBox has an age rating of 4+, making it suitable for a wide range of users.

### Can I merge an unlimited number of PDF files with PDF-ToolBox?

Yes, PDF-ToolBox supports merging an unlimited number of files and pages without any restrictions.

### How does PDF-ToolBox handle PDF encryption and decryption?

You can encrypt PDF files with a password for security or decrypt password-protected PDFs to generate non-encrypted files.

## Version history (last 5 releases)

### 3.2.3 — 2022-09-29

The new iPhone 14 Pro/Pro Max further enhances the impact system, but the native 48 million pixel photo can only be used for ProRaw format, take a photo of hundreds of megabytes, how to effectively make full use of the 48MP lens, but also reduce the photo volume, PDF toolbox to help you, support 48MP pixels ProRaw photos one-click conversion into 48MP pixels HEIF photos, and save to the album, retain resolution, details and lighting, volume reduction by 90%, Free up your phone's memory.
Updated ProRAW to HEIF feature to select up to ten photos at a time.
Optimize the experience during ProRAW to HEIF
Optimize the converted HEIF name

### 3.2.2 — 2022-09-28

The new iPhone 14 Pro/Pro Max further enhances the impact system, but the native 48 million pixel photo can only be used for ProRaw format, take a photo of hundreds of megabytes, how to effectively make full use of the 48MP lens, but also reduce the photo volume, PDF toolbox to help you, support 48MP pixels ProRaw photos one-click conversion into 48MP pixels HEIF photos, and save to the album, retain resolution, details and lighting, volume reduction by 90%, Free up your phone's memory.
Updated ProRAW to HEIF feature to select up to ten photos at a time.
Optimize the experience during ProRAW to HEIF

### 3.2.1 — 2022-09-27

The new iPhone 14 Pro/Pro Max further enhances the impact system, but the native 48 million pixel photo can only be used for ProRaw format, take a photo of hundreds of megabytes, how to effectively make full use of the 48MP lens, but also reduce the photo volume, PDF toolbox to help you, support 48MP pixels ProRaw photos one-click conversion into 48MP pixels HEIF photos, and save to the album, retain resolution, details and lighting, volume reduction by 90%, Free up your phone's memory.
Updated ProRAW to HEIF feature to select up to ten photos at a time.

### 3.2.0 — 2022-09-25

The new iPhone 14 Pro/Pro Max further enhances the impact system, but the native 48 million pixel photo can only be used for ProRaw format, take a photo of hundreds of megabytes, how to effectively make full use of the 48MP lens, but also reduce the photo volume, PDF toolbox to help you, support 48MP pixels ProRaw photos one-click conversion into 48MP pixels HEIF photos, and save to the album, retain resolution, details and lighting, volume reduction by 90%, Free up your phone's memory.

### 3.1.0 — 2022-08-23

1. Add signature, highlight comment, add page number function
2. Update the APP name

## Apps similar to PDF

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| --- | --- | --- | --- |
| [闪电PDF转换-专业pdf转换器、pdf阅读器](https://appshunter.io/ios/app/pdf-pdfpdf/id1618181802) | — | Free | Utilities |
| [BLESensor](https://appshunter.io/ios/app/blesensor/id1227589460) | — | Free | Utilities |
| [PDF : Merge, Extract & Reduce](https://appshunter.io/ios/app/pdf-merge-extract-and-reduce/id1643890238) | 4.3 (3) | Free | Utilities |
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| [Pdf2jpg!](https://appshunter.io/ios/app/pdf2jpg/id1519797178) | 4.5 (26) | Free | Utilities |
| [EncryptMe](https://appshunter.io/ios/app/encryptme/id987499132) | 2.7 (3) | Free | Utilities |

## More apps by FAN LIU

- [迅捷文档](https://appshunter.io/ios/app/id1489861427)
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- [Speech~to~Text](https://appshunter.io/ios/app/speechtotext/id1632055131)

All apps by FAN LIU: https://appshunter.io/developer/1435707531

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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 2026-06-10.*