Tools
Word / Character CounterCase ConverterLorem Ipsum GeneratorJSON FormatterRegex TesterCron Expression ParserString Escape / UnescapeSQL Formatter
Merge PDFSplit PDFPDF to ImageImage to PDFCompress PDFUnlock PDF
Image ConverterImage ResizerImage CropperOCR Text ExtractorImage Compressor
Hash GeneratorQR Code GeneratorPassword GeneratorColor Palette GeneratorRandom Number GeneratorUUID Generator
Base64 Encoder/DecoderURL Encoder/DecoderHTML Encoder/DecoderUnicode Encoder/DecoderASCII Encoder/Decoder
JSON ViewerCSV ViewerMarkdown ViewerJWT ViewerDiff Viewer
JSON → YAMLJSON → XMLJSON → TypeScriptJSON → CSVYAML → JSONCSV → JSONXML → JSONMarkdown → HTMLTOML → JSONUnix Timestamp ConverterJSON → TOMLUnit ConverterData Size ConverterHEX ↔ RGB Converter
Finance
Severance Pay Calculator
Daily
Tip CalculatorAge CalculatorElectricity Cost CalculatorDate CalculatorD-Day Calculator100-Day Anniversary CalculatorRelationship Days CalculatorTime CalculatorPercentage CalculatorRatio CalculatorAverage CalculatorDiscount Calculator
Health
Sleep CalculatorBMI CalculatorBMR CalculatorDaily Calorie CalculatorBody Fat CalculatorWater Intake Calculator
Study
GPA CalculatorExam Average Calculator
Utility
Area CalculatorVolume CalculatorSpeed CalculatorAspect Ratio Calculator

Privacy Policy

Last updated: April 22, 2026

OctoToolbox ("Service") values your privacy. This policy explains how your information is handled when using the Service.

1. Information We Collect

This Service operates entirely on the client side. We do not collect or store any user data on our servers. All calculations, conversions, and encoding operations are processed directly in your browser.

2. Local Storage

To improve user experience, we store theme preferences (light/dark mode), recently used tools, and favorites in your browser's localStorage. This data exists only on your device and is never transmitted to any server.

3. Cookies

The Service may use cookies to maintain your language preference. These cookies are essential for functionality and are not used for tracking purposes.

4. Third-Party Services

The Service may display advertisements through Google AdSense. Google's privacy policy applies in such cases. Google may use cookies for ad personalization.

5. Contact

For questions regarding this privacy policy, please contact antigravity.hwang@gmail.com.