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Q: How does Niraiya recover Excel passwords?

Niraiya uses multi AI-powered algorithms with cloud computing to decrypt Excel file passwords. Files are processed in your browser first, then cryptographic data is sent to servers for AI analysis, ensuring your actual file data never leaves your device.

Q: What makes Niraiya's AI approach different?

Unlike single-AI solutions, Niraiya leverages the combined intelligence of ChatGPT, Gemini, and DeepSeek. This means smarter pattern recognition, faster results, and higher success rates for unlocking Excel files — all while respecting each provider's usage policy.

Q: Is my Excel file secure with Niraiya?

Yes. Your complete Excel files remain on your device. Only encrypted metadata is processed on our servers. We use privacy-first browser processing with Blazor WASM to ensure file security and privacy compliance.

Q: What Excel file formats does Niraiya support?

Niraiya supports all Excel versions including .XLS, .XLSX, .XLM, and other Microsoft Office formats. Currently supporting Excel files with both sheet protection and workbook protection.

Q: How fast is the password recovery process?

Most Excel files are recovered within minutes using our AI cloud computing technology. Recovery time depends on password complexity and file encryption level.

Q: How much does Excel password recovery cost?

Niraiya offers pay-for-success pricing. You only pay when your file is successfully recovered. Pricing varies based on file complexity and encryption strength.

Transparent cookie usage for your experience. We use minimal cookies to enhance functionality and security.

Last updated: October 31, 2025

What Are Cookies?

Cookies are small text files stored on your device when you visit a website. They help websites remember your preferences, maintain sessions, and improve your browsing experience.

At Niraiya, we use cookies sparingly and only for essential functionality. We're committed to transparency about what cookies we use and why.

Types of Cookies We Use

Niraiya uses three categories of cookies, each serving a specific purpose:

Essential Cookies

Required for core functionality

Session management
Security tokens
Authentication state

Duration: Browser session only

Analytics Cookies

Help us improve performance

Anonymous usage data
Performance metrics
Error tracking

Duration: 24 hours

Security Cookies

Protect against abuse

CSRF protection
Rate limiting
Bot detection

Duration: Up to 30 days

Detailed Cookie List

Here's a complete breakdown of the cookies Niraiya uses:

Cookie Name	Purpose	Type	Duration
`NIRAIYA_SESSION`	Maintains your browser session during password recovery	Essential	Session
`CSRF_TOKEN`	Protects against cross-site request forgery attacks	Security	Session
`ANALYTICS_ID`	Anonymous identifier for usage statistics	Analytics	24 hours
`RATE_LIMIT`	Prevents automated abuse of our service	Security	30 days
`COOKIE_CONSENT`	Stores your cookie preferences	Essential	1 year

What We Don't Use

Transparency means being clear about what we don't do. Niraiya does NOT use:

Advertising Cookies: We never track you for ad targeting or retargeting purposes.
Social Media Trackers: No Facebook pixels, Twitter trackers, or LinkedIn insights.
Cross-Site Tracking: We don't track your browsing activity outside of Niraiya.
Personal Data in Cookies: Cookies never contain your file content or personal information.

Third-Party Cookies

Some third-party services we use may set their own cookies. These are minimal and only for essential functionality:

Payment Processing (Stripe)

Stripe uses cookies to prevent fraud and process payments securely. These cookies are only active during payment transactions. View Stripe's Privacy Policy

Analytics (Basic)

We use privacy-respecting analytics to understand how users interact with our service. All data is anonymized and aggregated.

How to Control Cookies

You have full control over cookies on your device. Here are your options:

Click the three dots in the top-right corner
Select "Settings" → "Privacy and security"
Click "Cookies and other site data"
Choose your preferred cookie settings

Chrome Cookie Help

Click the menu button and select "Settings"
Select "Privacy & Security"
Under "Cookies and Site Data", customize your preferences

Firefox Cookie Help

Open Safari and click "Preferences"
Click the "Privacy" tab
Adjust your cookie and website data settings

Safari Cookie Help

Click the three dots and select "Settings"
Go to "Cookies and site permissions"
Click "Cookies and site data"
Manage your cookie preferences

Edge Cookie Help

Legal Compliance

Our cookie policy complies with international privacy regulations:

GDPR (EU): We obtain consent for non-essential cookies and provide clear information about cookie usage.
CCPA (California): We respect "Do Not Track" signals and allow users to opt out of non-essential cookies.
ePrivacy Directive: We ensure transparent cookie disclosure and user control.

Updates to This Policy

We may update this cookies policy periodically to reflect changes in our practices or legal requirements. When we make significant changes:

We'll update the "Last updated" date at the top of this page
We'll notify you via a banner on our website
You'll have the opportunity to review and accept the updated policy

Cookies FAQ

Niraiya uses three types of cookies: essential session cookies for maintaining your browser session during file processing, anonymous analytics cookies to improve our service performance, and security cookies to prevent abuse and ensure secure connections. We do not use advertising or tracking cookies.

You can disable non-essential cookies in your browser settings. However, session cookies are required for the Excel password recovery process to function properly. Without them, you won't be able to complete the recovery workflow.

No. Our cookies do not contain any personal information or file content. They only store anonymous session identifiers and basic preferences. We never track your browsing behavior outside of Niraiya or share cookie data with third parties.

Session cookies are automatically deleted when you close your browser. Analytics cookies expire after 24 hours. Security cookies may last up to 30 days to maintain protection against automated attacks. You can manually clear all cookies from your browser settings at any time.

We use minimal third-party cookies only for essential services like payment processing (Stripe) and basic analytics. These third-party cookies are governed by their respective privacy policies. We do not allow advertising networks or social media trackers.

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