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auto

Fuel Consumption Calculator

Free privacy-first fuel consumption and trip cost calculator. Calculate your fuel economy in metric and imperial units for you.

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Power & Torque Converter: HP to kW, Nm to lb-ft

Instant automotive unit converter. Switch between Horsepower (hp), Kilowatts (kW), Metric HP (ps), and Torque units (Nm, lb-ft). Privacy-first, browser-only calculations.

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Car Total Cost of Ownership Calculator

Calculate the true cost of owning your vehicle. Includes fuel, insurance, maintenance, and hidden fees. 100% private and browser-based.

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Luxury SUV Ownership Cost in your country

Calculate the true cost of owning a luxury SUV in $. Uncover hidden expenses from premium fuel to air suspension repairs.

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Sedan Ownership Cost

Calculate the long-term TCO of a sedan. From fuel efficiency on major highways to insurance rates in major cities.

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Electric Car Ownership Cost

Analyze the true TCO of an EV in $. Compare higher upfront price against massive savings in fuel and maintenance.

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Used Car Ownership Cost

Calculate the true cost of a used car. Balance depreciation savings with repair budgets in $.

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health

BMR Calculator

Calculate your Basal Metabolic Rate (BMR) and estimated daily calorie needs instantly in your browser.

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pc

Power Supply Calculator

Calculate the perfect power supply (PSU) wattage for your custom PC build. Accurate estimations with overclocking support.

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img

Free Online Image Editor

Professional grade online image editor. Edit photos, apply filters, and use layers directly in your browser. 100% privacy, no server uploads.

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Polaroid Photo Generator

Easily turn any photo into a vintage Polaroid picture. Add custom handwriting captions, adjust zoom and rotation, and download for free with no watermarks.

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programming

Image to Code Converter

Convert images to Base64, calculate SHA-256 hashes, or generate BlurHash/pHash directly in your browser. Get ready-to-use CSS, HTML, JS, Python, Java, and PHP code.

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safety

Secure Password Generator

Generate strong, secure passwords with customizable options.

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math

Compound Interest Calculator

Calculate your investment growth over time with our compound interest calculator. Account for inflation, taxes, and regular contributions.

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Terms of Service

Welcome to Zernar, the privacy-first hub for professional calculators and web utilities. By accessing, browsing, or utilizing the tools provided on Zernar.com, you acknowledge that you have read, understood, and agreed to be legally bound by these Terms of Service. If you do not agree with any part of these terms, please discontinue use of our website immediately.

1. Permitted Use and Intellectual Property License

Zernar grants you a revocable, non-exclusive, non-transferable, and limited license to access and use our suite of web-based tools strictly in accordance with these Terms. You are free to use our calculators for both personal and professional planning. However, the underlying codebase, UI/UX design, branding, text content, and compiled WebAssembly/JavaScript modules are the exclusive intellectual property of Zernar. You are strictly prohibited from attempting to reverse-engineer, decompile, scrape, frame, or autonomously extract our application code or data. Republishing our tools on external domains without explicit written consent is a violation of these terms.

2. Strict Disclaimer of Warranties and Accuracy

All calculators, algorithms, and informational content on Zernar are provided on a strictly 'as is' and 'as available' basis. While our team dedicates significant effort to ensuring the mathematical precision and logical accuracy of our tools, we make no absolute guarantees, representations, or warranties—express or implied—regarding the completeness, reliability, or currentness of the results generated. Mathematical models (such as BMR equations or PC Power estimations) are general baselines. Zernar unequivocally disclaims any liability for errors, omissions, or miscalculations.

3. Limitation of Liability for Financial, Health, and Technical Decisions

Zernar is an informational resource, not a professional advisory service. The outputs generated by our Health tools (e.g., BMR calculators) do not constitute medical advice and should not replace consultation with a qualified healthcare provider. The results from our Automotive and PC tools should not be the sole basis for major financial purchases, engineering builds, or legal decisions. In no event shall Zernar, its developers, or its affiliates be held liable for any direct, indirect, incidental, consequential, or punitive damages—including hardware failure, financial loss, or health complications—arising out of your reliance on the data or functionality provided by our website.

4. Modifications to the Service and Terms

The digital landscape and our toolset are constantly evolving. Zernar reserves the sovereign right to modify, update, suspend, or discontinue any calculator or service on the platform at our sole discretion, without prior notice. Similarly, we may revise these Terms of Service periodically to reflect legal requirements or feature updates. Any substantial changes will be immediately published on this page. Your continued use of Zernar.com following the posting of updated Terms constitutes your formal acceptance of those modifications.