Getting Started

Set up your Byteseal
in under 5 minutes

Your friendly, step-by-step walkthrough to getting Byteseal up and running. No tech degree needed. Promise.

~5 minutesTotal setup time

Any deviceiOS · Android · Windows · Mac

No tech skillsRequired

Section 1

Welcome!

Thanks for choosing Byteseal. You're about to set up one of the most secure password managers out there — and the good news is, it's way simpler than it sounds. This guide will hold your hand through every step. By the end, your passwords will be locked up tighter than a bank vault, and filling in logins will be as easy as a tap.

1.1 What's in the Box?

Byteseal Biometric ID

Charging cable

Quick-start card

Screenshot: Contents of the Byteseal box laid out

1.2 How Does Byteseal Keep You Safe?

Byteseal doesn't rely on just one lock — it stacks multiple layers so that even if someone cracks one, they're stopped by the next. Here's the lineup:

1

Phone OTP

A one-time code texted to your phone every time you log in. Think of it as a bouncer checking your ID.

2

Master Key

A 4-digit PIN that only you know. It unlocks your saved passwords.

3

Fingerprint

Your actual fingerprint, verified through the Byteseal Biometric ID device. Can't fake that!

4

Device Possession

You need to physically have the Biometric ID in your hand. No device, no entry.

Why start on mobile? When you log in on a computer, Byteseal checks all four factors — phone OTP + Master Key + fingerprint + device. Your phone is the anchor of this whole chain, so that's where your journey begins.

Section 2

Get the Apps

Byteseal works on Android, iOS, Windows, and macOS. Grab the mobile app first — you'll need it before you can do anything on your computer.

2.1 On Your Phone

1

Open your app store

Open the Play Store (Android) or App Store (iOS).

2

Search for Byteseal

Search for "Byteseal Password Manager" and tap Install or Get.

Screenshot: Play Store / App Store listing for Byteseal

3

Open the app

Once installed, open the app. You'll land on the welcome screen.

Screenshot: Byteseal welcome screen on mobile

2.2 On Your Computer

The desktop setup installs two apps at once: Byteseal Desktop App (where you see and manage all your passwords) and Byteseal Autofill Assist (a small helper that fills in login forms for you).

1

Go to the Downloads page

Head to the Byteseal website and find the Downloads page.

Screenshot: Byteseal Downloads page on the website

2

Download & install

Download the installer for Windows or macOS, run it, and follow the prompts. Both apps install together.

Screenshot: Desktop installer running on Windows / macOS

3

Open the Desktop App

Open the Byteseal Desktop App when installation is complete.

Heads up! You can't create a new account from the desktop app. Finish the mobile setup first (Section 3), then come back here to sign in.

Section 3

Create Your Profile

Time to make your Byteseal account — this only takes a minute, and it all happens on your phone.

3.1 Verify Your Phone Number

1

Open the Byteseal app and tap Create Profile

Open the Byteseal app on your phone and tap Create Profile.

2

Enter your phone number

Type in your phone number and tap Send OTP.

Screenshot: Phone number entry screen

3

Enter the one-time code

Check your texts — you'll receive a one-time code. Enter it into the app.

Screenshot: OTP verification screen

3.2 Pick Your Master Key

Next, you'll set a 4-digit Master Key — the PIN you'll use to unlock your passwords. Make it something you'll remember.

1

Choose your 4-digit Master Key

Enter it once, then enter it again to confirm.

Screenshot: Master Key setup screen

2

Tap Confirm

Tap Confirm to save your Master Key. Done!

Super important — remember your Master Key! There's no "forgot PIN" option. Your Master Key can't be reset. Write it down somewhere safe. Even if someone finds it, they still need your phone and your fingerprint to get in.

3.3 Save Your First Password

1

Tap the "+" button

On the home screen, tap the + button in the bottom-right corner.

Screenshot: Home screen with the + button highlighted

2

Fill in the credential details

Enter the website or app name, your username, and password. If you want this password to require fingerprint verification, enable the Mandatory Biometric Authentication toggle — great for banking or email.

Screenshot: Add credential form with Mandatory Biometric toggle visible

3

Tap Save

Your first credential is locked away safely!

Which passwords need biometric protection? Turn it on for the important stuff — bank accounts, primary email, cloud storage. For lower-risk logins, Master Key-only access is faster and still very secure.

Section 4

Set Up Your Biometric ID

Let's pair your fingerprint device and teach it who you are.

4.1 Connect the Device

1

Open the Device tab

In the Byteseal app, tap the Device tab at the bottom of the screen.

Screenshot: Device tab in the bottom navigation

2

Power on the Biometric ID

Grab your Byteseal Biometric ID and hold the power button for 3 seconds. You'll see a light come on.

Screenshot: Byteseal Biometric ID with the power button highlighted

3

Tap Connect

Back in the app, tap Connect. It'll find your device and pair automatically. You'll see a "Device Connected" message.

Screenshot: Device Connected confirmation

Why the long press? A 3-second hold stops the device from switching on accidentally if it bumps around in your bag.

4.2 Enrol Your Fingerprints

1

Tap Enrol Fingerprints

Pick a hand (left or right) and choose which finger to scan.

Screenshot: Finger selection screen (left hand / right hand)

2

Scan your fingerprint

Place your finger on the sensor. The app will ask you to lift and place it a few times to get a good read.

Screenshot: Fingerprint scanning in progress

3

Add more fingers (optional) and tap Done

You can enrol up to 5 fingers total. Repeat the process for each one, then tap Done.

Screenshot: Enrolment complete confirmation

Section 5

Turn On Autofill

Instead of typing passwords every time, Byteseal fills them in for you. The setup is a little different on each platform — choose yours below.

Step 1 — Tell your phone to use Byteseal

Open your phone's Settings.
Search for "Autofill" in the search bar.
Go to Passwords & Autofill.
Set the autofill service to Byteseal Password Manager.
Turn off any other autofill services.

Screenshot: Android Settings → Passwords & Autofill with Byteseal selected

Step 2 — Set up Chrome

Open Chrome on your phone.
Tap the three-dot menu (⋮) and go to Settings.
Find Autofill Services (or Passwords).
Choose "Autofill using another service." This tells Chrome to hand off to Byteseal.

Screenshot: Chrome Settings → Autofill using another service

Step 3 — Try it out!

Visit a website you've saved a password for.
Tap the login field — you'll see an autofill suggestion pop up.
Tap "Autofill using Byteseal" and pick the right credential.
If biometric authentication is required, connect your Biometric ID and scan your fingerprint.
Tap the credential — you're logged in!

Screenshot: Autofill prompt on a login page

Screenshot: Credential selection popup

Screenshot: Biometric prompt (if applicable)

Step 1 — Enable Byteseal in iPhone settings

Open Settings on your iPhone.
Go to Passwords → Password Options.
Turn on AutoFill Passwords and Passkeys.
Under "Allow Filling From," enable Byteseal and disable any others.

Screenshot: iOS Settings → Passwords → Password Options with Byteseal enabled

Regular passwords (no biometric)

For passwords that don't need fingerprint verification:

Go to a login page in Safari or any browser.
Tap the login field, then tap Passwords from the bar above your keyboard.
Pick the right credential, enter your Master Key, and you're in.

Screenshot: iOS keyboard bar with Passwords highlighted

Screenshot: Byteseal credential list on iOS

Biometric-protected passwords

For passwords that need your fingerprint, there's one extra step:

Go to the login page and tap Passwords from the keyboard bar. Biometric-protected passwords will appear greyed out.
Switch to the Byteseal app (don't close your browser).
Connect your Biometric ID, then tap Authenticate and scan your fingerprint.
Return to your browser and tap Passwords again — the greyed-out passwords are now unlocked.
Select the credential, enter your Master Key, and you're done.

Screenshot: Greyed-out credentials in the iOS popup

Screenshot: Byteseal app showing the Authenticate button

Screenshot: Unlocked credentials after authentication

Why the extra step on iOS? Apple doesn't let third-party apps trigger hardware authentication directly during autofill. You need to pop into the Byteseal app to verify your fingerprint first. We're working hard to make it smoother in future updates.

Desktop autofill uses both the Byteseal Desktop App and the Autofill Assist helper working as a team.

Step 1 — Start the Autofill Assist app

Windows: Autofill Assist starts automatically when you open the Desktop App. Nothing to do here!
macOS: Open Autofill Assist manually the first time (find it in your Applications folder). Then turn on "Launch at System Start" in its settings.

Screenshot: Autofill Assist in the macOS Applications folder

Screenshot: "Launch at System Start" toggle in preferences

Step 2 — Grant permissions (macOS only)

macOS will ask for these permissions the first time you launch Autofill Assist. Click Allow on each — it's a one-time thing:

Files & Disk Access — So the Autofill Assist can communicate with the main app.
Accessibility — So it can type your credentials into login fields.
Input Monitoring — So it can tell when you click a login field.

Screenshot: macOS permission prompts (Files, Accessibility, Input Monitoring)

Are these permissions safe? Totally. Byteseal only uses them for autofill and local troubleshooting logs. Nothing leaves your computer.

Step 3 — Fill in a login

Open the Byteseal Desktop App and find the credential you want.
Click the Launch icon (small arrow) on the right side of that credential. A browser window opens with the website, and a small Autofill Assist window pops up.
In the Autofill Assist window, pick the credential you need.
Click the Pen icon (✎) next to the field you want to fill (e.g., username).
Click inside the matching field on the website — the value fills in automatically!
Repeat for the next field (e.g., password).

Screenshot: Desktop App with the Launch icon highlighted

Screenshot: Browser + Autofill Assist window side by side

Screenshot: Pen icon next to a data field

Screenshot: Clicking into the login field to autofill

Windows users — small difference! After clicking the pen icon, use Ctrl + Left Click (instead of a regular click) inside the browser's login field to trigger autofill.

Screenshot: Windows — Ctrl + Left Click illustration

Section 6

Signing In on Your Computer

Once your mobile account is set up, here's how you log in on desktop. This is where all four security layers come together.

1

Open the Byteseal Desktop App and enter your phone number

Request an OTP to be sent to your phone.

Screenshot: Desktop login — phone number entry

2

Enter the OTP and your Master Key

Type in the one-time code from your phone, then enter your 4-digit Master Key.

Screenshot: Desktop login — OTP + Master Key entry

3

Verify your fingerprint

Connect your Biometric ID and scan your fingerprint to complete login.

Screenshot: Desktop login — fingerprint verification

4

You're in!

Your passwords will sync over automatically.

Section 7

Cheat Sheet

A quick-glance table so you always know what's what.

Security Layer	What It Does	When You Need It
Phone OTP	Proves it's really your phone	Every login
Master Key	Unlocks your saved passwords	Every time you access a credential
Fingerprint	Confirms your identity with biometrics	Biometric-protected passwords only
Device	Proves you physically have the Biometric ID	Biometric-protected passwords only

My device won't connect

Hold that power button for a full 3 seconds — it's longer than you think.
Make sure Bluetooth is turned on.
Move closer to the device and try again.

Autofill isn't showing up on Android

Double-check that Byteseal is the selected autofill service in your phone settings.
In Chrome, make sure you picked "Autofill using another service."
Try restarting Chrome.

Autofill isn't working on iOS

Go to Settings → Passwords → Password Options and confirm Byteseal is enabled.
Disable other password managers in the same menu.

macOS isn't asking for permissions

Open System Settings → Privacy & Security and manually add Byteseal Autofill Assist under Accessibility and Input Monitoring.

My fingerprint isn't being recognised

Make sure your finger covers the entire sensor. Try re-enrolling via the Byteseal App and scan from multiple angles. Dry or wet fingers can affect accuracy.

I forgot my Master Key

Unfortunately, the Master Key can't be reset. Check any secure notes where you may have written it down. If you're stuck, reach out to our support team — we'll do our best to help.

The card isn't being detected by my phone

Ensure NFC is enabled on your phone (Settings → NFC). Hold the card flat against the back of your phone near the NFC antenna, usually in the centre or upper-middle area. Remove any thick phone cases and try again.

Screenshot: Help / Contact Support screen in the Byteseal app

Set up your Byteseal in under 5 minutes