JPKI eSign signature on PDF

In-app purchases
1K+
Downloads
Content rating
Everyone
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About this app

Features
[My Number Card (Japan ID Card)]
・JPKI (Japanese Public Key Infrastructure) AP
JPKI eSIgn to PDF
Obtain electronic certificate and verify expiration date
・Card Info confirmation AP
Read card info and face photo
・PIN management
Retrieve user authentication PIN
Read Password retry count
Reset PIN

[Driver's license]
・Read driver's license information and face photo

[Residence card and Special permanent residence card】
・Read residence information and facial photo

[PDF tools]
・Display PDF
・Create one PDF from multiple photos and PDFs
・Scan to PDF with camera
・Verify PDF signed by JPKI

Examples of using JPKI signatures
・e-Tax electronic documents for national tax returns
・Registration and deposit network of the Legal Affairs Bureau
・Real estate registration procedures
・Commercial and corporate registration procedures
・Moveable property transfer registration procedures
・Debt transfer registration procedures

Electronic signature data

Signature format adbe.pkcs7.detached
・Signature algorithm SHA256withRSA
・Type Sig
・Filter Adobe.PPKLite
・SubFilter adbe.pkcs7.detached
・Name <Name on My Number card>
・M <Date and time of digital signature>
・ByteRange <Byte range of part used to generate hash value>
・Contents <PKCS#7 signature data binary format in hexadecimal>

Notes
◇About reading My Number Card
・Please hold the card over the smartphone until reading is complete.

-As reading is not accurate on a metal desk, try moving the My Number Card and smartphone away from the desk.
-If the response is poor, try removing the cover or case.

-If the card is not held over the smartphone in the correct position, reading will not be possible.
For details, please check the support site below.
https://www.jpki.go.jp/faq/trouble/iphone.html
◇About passwords

- The signature password is 6-16 alphanumeric characters, and the user authentication PIN is a 4-digit number.
- If you enter the signature password incorrectly five times in a row, or the user authentication password incorrectly three times in a row, the password will be locked.
- You can unlock the password at your local municipal office.

EULA https://www.99zz.net/%e5%88%a9%e7%94%a8%e8%a6%8f%e7%b4%84/
Updated on
Sep 19, 2025

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
This app may collect these data types
App info and performance and Device or other IDs
Data is encrypted in transit
Data can’t be deleted

What’s new

android 35