JPKI eSign signature on PDF

Live二進合同会社7 apps · 5.1K installsToolsFreeIn-app purchases: $1.99 - $43.99 per itemcom.education.jisten

JPKI eSign, add digital siganature on PDF using My Number Card, without reader

Alert me★ WatchOpen in Play ↗
Total installs
2,778
exact · Play shows 1,000+
Installs / day
+4
7-day avg · last day +4
Rating
—★
— ratings · — reviews
Released
25 Jul 2020
6.2y ago
Last update
23 Sept 2026
v2.3.4 · 21d ago
Countries
—
not checked yet

Installs per day

gain of the exact counter
05101512 Oct13 Oct14 Oct

Lifetime avg ≈ 1/day (all installs ÷ days since release)

Daily tracking since 11 Oct 2026 · history grows every day

Install history

exact counter from Google Play
2,7602,7652,7702,7752,78011 Oct13 Oct14 Oct
05001,0001,5002,0002,5003,00025 Jul 202011 Oct 202614 Oct 2026

Dashed: estimate from the release date (no daily data before 11 Oct 2026) · time axis compressed before that day

Daily tracking since 11 Oct 2026 · history grows every day

Change timeline

Full history

No changes recorded yet. We compare every crawl with the previous one and list title, icon, screenshots, description, version, price and availability changes here.

Country availability

Availability has not been checked for this app yet. “Check all countries” looks the app up in about 140 Google Play storefronts and shows where it is live, listed but not installable, or missing — plus any country-specific (custom) store listings.

Top countries

Country data will be available soon.

We estimate where downloads come from using the app’s position in Google Play’s top charts in about 140 countries. This app is not in any chart we have collected yet; the estimate appears as soon as it is.

Top chart positions

Not in any tracked top chart.

App manifest

Read this app's manifest from Google Play: permissions, declared SDKs, components and AdMob app ID. Saved analysis appears here automatically.

Manifest analysis reads only the required APK ranges. Base APK downloads may need separate device splits to install.

Data safety

declared by the developer on Google Play
  • No data shared with third parties
  • Collects data App info and performance and Device or other IDs
  • Data is encrypted in transit
  • No way to ask for data deletion

This is the developer's own declaration, summarised from the Play listing. The permissions below show what the app is technically able to access.

Permissions

11 in 5 groups
7 Sensitive2 Notable2 Routine

What this app can do with your phone

  • Know roughly where you are, using mobile towers and Wi-Fi networks
  • Know your exact location using GPS, Wi-Fi and mobile networks
  • Use your camera to take photos and record videos
  • Read photos, videos, and other files saved in your phone's shared storage
  • Add, change or delete photos, videos and other files in your phone's storage
LocationSensitive2

Access to where your device is, using GPS or network signals

  • Know roughly where you are, using mobile towers and Wi-Fi networksapproximate location (network-based) · ACCESS_COARSE_LOCATION
  • Know your exact location using GPS, Wi-Fi and mobile networksprecise location (GPS and network-based) · ACCESS_FINE_LOCATION
Photos/Media/FilesSensitive2

Access to photos, videos, music and other files stored on your device

  • Read photos, videos, and other files saved in your phone's shared storageread the contents of your USB storage · READ_EXTERNAL_STORAGE
  • Add, change or delete photos, videos and other files in your phone's storagemodify or delete the contents of your USB storage · WRITE_EXTERNAL_STORAGE
StorageSensitive2

Access to files, photos and media saved on your phone's storage

  • Read photos, videos, and other files saved in your phone's shared storageread the contents of your USB storage · READ_EXTERNAL_STORAGE
  • Add, change or delete photos, videos and other files in your phone's storagemodify or delete the contents of your USB storage · WRITE_EXTERNAL_STORAGE
CameraSensitive1

Access to your camera to take photos and record video

  • Use your camera to take photos and record videostake pictures and videos · CAMERA
OtherNotable4

Access to miscellaneous device features that don't fit other categories

  • Use NFC to talk with tags, cards and readers held close to your phonecontrol Near Field Communication · NFC
  • Keep your phone's processor or screen from going to sleep, which can use more batteryprevent device from sleeping · WAKE_LOCK
  • Check whether you are online and whether you use Wi-Fi or mobile dataview network connections · ACCESS_NETWORK_STATE
  • Connect to the internet to load content and send datafull network access · INTERNET

Sensitive = can reach personal data, location, camera/mic or act on your behalf. Notable = changes how your device behaves. Routine = normal for almost every app. Source: Google Play's permission list for all versions of this app.

Store listing

Full description
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/

What's new

Signing an already-signed PDF now asks if you want to remove the old signature first, so your signature stays valid. Password-protected PDFs are now detected and blocked from signing, with a clear message explaining why.

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