[{"content":{"header":"[Tejji.com](/)\n\n[Contact](/contact)\n\nInstall\n\nMenu\n\nApps \u0026 Tools\n\n[Mortgage Calculator](/apps/mortgage-calculator) [Loan EMI Calculator](/apps/loan-emi-calculator) [Compound Interest Calculator](/apps/compound-interest-calculator) [Investment Calculator](/apps/investment-calculator) [Retirement Calculator](/apps/retirement-calculator) [Future Value Calculator](/apps/future-value-calculator) [Net Present Value Calculator](/apps/net-present-value-calculator) [Inflation Calculator](/apps/inflation-calculator) [Salary Calculator](/apps/salary-calculator) [Income Tax Calculator](/apps/tax-calculator) [Sales Tax Calculator](/apps/sales-tax-calculator) [Tip Calculator](/apps/tip-calculator) [Percentage Calculator](/apps/percentage-calculator) [APR to APY](/apps/apr-to-apy) [Money Converter](/apps/money-converter) [Send Money](/apps/send-money) [Invoice Generator](/apps/invoice-generator) [Calculator](/apps/calculator) [BMI Calculator](/apps/bmi-calculator) [Body Fat Calculator](/apps/body-fat-calculator) [Calorie Calculator](/apps/calorie-calculator) [GPA Calculator](/apps/gpa-calculator) [Grade Calculator](/apps/grade-calculator) [JSON Formatter](/apps/json-formatter) [Regex Tester](/apps/regex-tester) [Hash Generator](/apps/hash-generator) [UUID Generator](/apps/uuid-generator) [Unix Timestamp Converter](/apps/timestamp-converter) [Cron Builder](/apps/cron-expression-builder) [Base64 Encoder](/apps/encode-decode-base64) [HTML Encoder](/apps/encode-decode-html) [HTML to Text](/apps/html-to-text) [URL Encoder Decoder](/apps/url-encoder-decoder) [Markdown Editor](/apps/markdown-editor) [Meta Tag Generator](/apps/meta-tag-generator) [QR Code Generator](/apps/qr-code-generator) [Password Generator](/apps/password-generator) [Color Picker](/apps/color-picker) [Character Count](/apps/character-count) [Typo Generator](/apps/typo-generator) [Age Calculator](/apps/age-calculator) [Date Calculator](/apps/date-calculator) [What Day Is It](/apps/what-day-is-it) [Lottery Number Generator](/apps/lottery-number-generator) [Pomodoro Timer](/apps/pomodoro-timer) [Pythagoras Theorem](/apps/pythagoras-theorem) [Roman Numeral Converter](/apps/roman-numeral-converter)\n\ntraffic-rank\n\n[Traffic Rank](/traffic-rank) [Top 1M](/traffic-rank/top-1m-sites) [Top Climbers](/traffic-rank/top-climbers) [Compare](/traffic-rank/compare) [Widget](/traffic-rank/widget) [Category](/traffic-rank/category) [Country](/traffic-rank/country) [Alexa Alt.](/traffic-rank/alexa-replacement)\n\nUnit Converters\n\n[Temperature](/convert/temperature-conversion) [Length](/convert/length-conversion) [Length (Metric)](/convert/length-metric-conversion) [Metric](/convert/metric-conversion) [Bytes](/convert/bytes-conversion) [Number](/convert/number-conversion) [Angle](/convert/angle-conversion) [Astronomical](/convert/astronomical-conversion) [Frequency](/convert/frequency-conversion) 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Calculator](/apps/future-value-calculator)\n- [Net Present Value Calculator](/apps/net-present-value-calculator)\n- [Inflation Calculator](/apps/inflation-calculator)\n- [Salary Calculator](/apps/salary-calculator)\n- [Income Tax Calculator](/apps/tax-calculator)\n- [Sales Tax Calculator](/apps/sales-tax-calculator)\n- [Tip Calculator](/apps/tip-calculator)\n- [Percentage Calculator](/apps/percentage-calculator)\n- [APR to APY](/apps/apr-to-apy)\n- [Money Converter](/apps/money-converter)\n- [Send Money](/apps/send-money)\n- [Invoice Generator](/apps/invoice-generator)\n- [Calculator](/apps/calculator)\n\n\u003c!--THE END--\u003e\n\n- Health\n- [BMI Calculator](/apps/bmi-calculator)\n- [Body Fat Calculator](/apps/body-fat-calculator)\n- [Calorie Calculator](/apps/calorie-calculator)\n\n\u003c!--THE END--\u003e\n\n- Education\n- [GPA Calculator](/apps/gpa-calculator)\n- [Grade Calculator](/apps/grade-calculator)\n\n\u003c!--THE END--\u003e\n\n- Developer\n- [JSON Formatter](/apps/json-formatter)\n- [Regex Tester](/apps/regex-tester)\n- [Hash Generator](/apps/hash-generator)\n- [UUID Generator](/apps/uuid-generator)\n- [Unix Timestamp Converter](/apps/timestamp-converter)\n- [Cron Builder](/apps/cron-expression-builder)\n- [Base64 Encoder](/apps/encode-decode-base64)\n- [HTML Encoder](/apps/encode-decode-html)\n- [HTML to Text](/apps/html-to-text)\n- [URL Encoder Decoder](/apps/url-encoder-decoder)\n- [Markdown Editor](/apps/markdown-editor)\n- [Meta Tag Generator](/apps/meta-tag-generator)\n- [QR Code Generator](/apps/qr-code-generator)\n- [Password Generator](/apps/password-generator)\n- [Color Picker](/apps/color-picker)\n- [Character Count](/apps/character-count)\n- [Typo Generator](/apps/typo-generator)\n\n\u003c!--THE END--\u003e\n\n- Fun\n- [Age Calculator](/apps/age-calculator)\n- [Date Calculator](/apps/date-calculator)\n- [What Day Is It](/apps/what-day-is-it)\n- [Lottery Number Generator](/apps/lottery-number-generator)\n\n\u003c!--THE END--\u003e\n\n- Productivity\n- [Pomodoro Timer](/apps/pomodoro-timer)\n\n\u003c!--THE END--\u003e\n\n- Math\n- [Pythagoras Theorem](/apps/pythagoras-theorem)\n- [Roman Numeral Converter](/apps/roman-numeral-converter)\n\nUUID Generator\n\n# UUID Generator — Random UUID v4\n\nGenerate universally unique identifiers (UUIDs) in v1, v4, and v7 formats instantly. Perfect for developers building databases, APIs, and distributed systems. Generate single or bulk UUIDs and copy them with one click.\n\n—\n\n🔄 Generate New Copy Standard (lowercase) UPPERCASE No hyphens {Braces} URN format\n\n## Batch Generate\n\nCount: Generate Copy All\n\n## Validate UUID\n\n## Recent UUIDs\n\n## Related Products\n\n[📘 Software Engineering Books →](https://www.amazon.com/s?k=software%20engineering%20books\u0026tag=tejji-20) [⌨️ Developer Keyboards →](https://www.amazon.com/s?k=mechanical%20keyboard%20developer\u0026tag=tejji-20) [📚 Coding References →](https://www.amazon.com/s?k=coding%20reference%20guide%20book\u0026tag=tejji-20)\n\n*As an Amazon Associate, tejji.com earns from qualifying purchases.*\n\n## Frequently Asked Questions\n\n### What is a UUID?\n\nA UUID (Universally Unique Identifier) is a 128-bit number formatted as 32 hexadecimal digits in 5 groups (e.g., 550e8400-e29b-41d4-a716-446655440000). UUIDs are designed to be globally unique without a central authority.\n\n### What is the difference between UUID v1 and v4?\n\nUUID v1 uses the current timestamp and MAC address (predictable). UUID v4 uses random numbers (122 bits of randomness), making collisions practically impossible (1 in 5.3 × 10^36).\n\n### How many UUIDs can I generate at once?\n\nYou can batch generate multiple UUIDs at once using the quantity field. All generation happens in your browser using the Web Crypto API for secure randomness.\n\n### What is the best free UUID generator?\n\nThis UUID Generator is one of the best free UUID generators available online. It runs entirely in your browser with no data sent to any server. It supports batch generation, multiple format options, and UUID validation.\n\n### Can I generate UUIDs without signing up?\n\nYes. This UUID generator requires no account, no login, and no installation. Simply visit the page and click Generate. All UUIDs are created in your browser using the Web Crypto API — completely free and private.\n\n## Related Tools\n\n[# Hash Generator developer](/apps/hash-generator) [⏱ Timestamp Converter developer](/apps/timestamp-converter) [{ } JSON Formatter developer](/apps/json-formatter) [.* Regex Tester developer](/apps/regex-tester) [🎨 Color Picker developer](/apps/color-picker)\n\n📱\n\nQuick Access\n\nInstall this tool on your device for instant access\n\nInstall App","footer":"\n\n📱 Install Tejji for quick access to this tool Install\n\nTools\n\n- [All Apps](/apps/)\n- [Converters](/convert/)\n- [IP Tools](/ip/)\n- [Calculator](/apps/calculator)\n\nExplore\n\n- [Time \u0026 Date](/time-date/)\n- [Postal Codes](/zip-codes/)\n- [Typing](/typing/)\n- [Extensions](/browser/chrome/extensions/)\n\nCompany\n\n- [About](/home/about)\n- [Contact](/home/contact)\n- [Privacy](/home/privacy)\n- [Terms](/home/terms)\n\nSupport\n\n- [Feedback](/home/contact)\n- [Buy me a coffee](https://buymeacoffee.com/tejji)\n\n© 2026 [Tejji.com](/) — Free online tools for everyone.\n\nWe use cookies for analytics and ads. By clicking \"Accept\", you consent to our use of cookies. [Privacy Policy](/home/privacy)\n\nReject Accept"},"metadata":{"title":"UUID Generator | Free Online Tool | Tejji","description":"Free online UUID generator — create v1, v4, and v7 UUIDs instantly. Generate bulk UUIDs and copy with one click. No sign-up required.","imageUrl":"https://tejji.com/page/og-default.png","author":null,"published":null,"modified":null},"rate":{"price":{"priceMicros":0,"currency":""},"license":{"cuid":"","licenseType":"","licensePath":"","permissions":[],"validUntil":""},"error":""}}]