Generate UUID v1, v4, and other unique identifiers instantly.
UUIDs are generated securely within your browser.
Choose between UUID v4 (random) or v1 (timestamp-based).
Specify how many UUIDs you want to generate at once.
Click generate and copy the unique identifiers to your clipboard.
Support for generating both UUID v4 and v1 standards.
Generate hundreds of UUIDs simultaneously with one click.
All UUIDs are generated locally in your browser for maximum security.
Curated tools to help you complete your task faster.
UUIDs (Universally Unique Identifiers), also known as GUIDs (Globally Unique Identifiers), are 128-bit numbers used to uniquely identify information without a central coordination authority. This makes them ideal for distributed systems, database keys, transaction tracking, and session identifiers where conflict resolution must happen offline.
In distributed database architectures, generating sequential IDs (like 1, 2, 3) can lead to write conflicts if multiple servers attempt to create records at the same time. UUIDs solve this concurrency bottleneck. Because they are practically guaranteed to be unique, systems can write records independently without consulting a central index or database coordinator.
Our generator supports standard UUID formats including Version 4 and Version 1. UUID v4 is entirely random, generated using cryptographically secure pseudo-random number generators, making it the most common choice for general keys. UUID v1 is generated using a combination of the host device's MAC address and a timestamp, providing a chronologically ordered sequence which can be useful for time-sensitive logging.
Pasting sensitive parameters or using online generators that log keys introduces risks of identifier hijacking or leaks. FlowFix performs all generation processes locally inside your browser memory. Your unique keys are computed using client-side libraries, ensuring that the generated UUIDs are never exposed to external networks.
In traditional cloud infrastructure models, performing basic tasks like document merging or image cropping requires uploading files to remote servers. This introduces substantial privacy hazards, bandwidth bottlenecks, and latency issues. FlowFix completely circumvents this design pattern by leveraging WebAssembly (WASM) and localized client-side JavaScript execution. When you run a tool on this platform, the code executes directly within your browser sandbox, using your device's native CPU and memory resources.
Because no file bytes ever traverse the network to our servers, your private documents, financial sheets, scanned forms, and photographs remain entirely inside your control. There is no server database running behind this tool that logs your file content, nor are there any temporary file caches generated. This client-side processing methodology provides the convenience of a modern web application alongside the absolute privacy guarantees of offline desktop software.