FreePrivateNo watermark

Generate up to 500 version 4 UUIDs in one go

Generate 1 to 500 version 4 UUIDs in one click, from the browser's own secure random source. Copy them all or download them as a text file.

UUID Generator workspace

Secure local session

Drop files here or browse files

Drop a file here or browse to start.

Processed in your browser — nothing is uploaded
Select Files
Supports: .pdf
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  • Up to 500 identifiers per run
  • Version 4, from crypto.randomUUID
  • Uppercase toggle for legacy systems
  • Copy the whole list or download
Nothing is uploadedNo account, no watermarkWorks offline after the first loadFree, no daily limits
Direct Overview & Quick Answer

EditPDFKit calls the browser's crypto.randomUUID to produce between one and five hundred version 4 UUIDs at a time, listed one per line with an optional uppercase form.

Built and maintained by Akash Kore · About

How to Use the Free Online UUID Generator Studio in 4 Steps

Simple 4-step walkthrough for fast, secure processing

Step 1

Set the Count

Type how many identifiers you need, between 1 and 500, into the Count box.

Step 2

Tick Uppercase if you need it

Some older systems store UUIDs in capitals. Leave it unticked for the lowercase form everything else expects.

Step 3

Press Regenerate

The list is redrawn with your settings. Press it again at any time for a completely fresh batch.

Step 4

Copy or download the list

Copy puts every line on the clipboard; Download saves them as uuids.txt.

How We Compare

EditPDFKit vs. Traditional Cloud Services for UUID Generator

Why thousands of privacy-conscious users choose EditPDFKit over cloud converters

100% Private On Your Device
FeatureEditPDFKit (editpdfkit.com)Traditional Cloud Tools (iLovePDF, Smallpdf)
Where Files Are Processed
Directly on Your Device (Zero Uploads)
Uploaded to Remote Company Servers
Privacy & Safety
Zero Uploads • Files Never Leave Your Device
Files Uploaded and Retained on Remote Company Servers
Local Hardware Acceleration
Uses your device's multi-core CPU and WebAssembly for instant output
Processes on shared cloud servers with upload and download delays
Built-in Privacy Vault
Saved Privately on Your Device (View or delete anytime)
Saved on Cloud Servers (Cannot verify if or when deleted)
Daily Usage Limits
100% Unlimited & Free Forever
Free tiers commonly cap daily files; check their pricing pages
File Size Limits
No Limits (Process files of any size)
Free tiers commonly cap upload size; check their pricing pages
Works Without Internet
Yes • 100% Offline (Works without Wi-Fi)
No • Fails without constant internet connection
Account & Sign In
No Signup • No Login • Zero Email Required
Commonly requires an account or email to use fully
Watermarks on Your Files
100% Clean • No Watermarks Ever
Free tiers commonly add a watermark or charge to remove it; check their pricing pages
100% Private On Your Device

How UUID Generator Works: Keep Your Files Safe & Private

See step-by-step how your files are processed. Everything happens right inside your browser — your files are never uploaded to the internet or shared with anyone.

Simple 4-Step ProcessZero Files Sent to Any Server
10 Files Uploaded

1. Open on Your Device

When you pick a file, your browser opens it directly on your computer or phone. Your document stays on your device and is never uploaded anywhere.

Stays 100% on your device
2Instant Speed

2. Process in Your Browser

Your device does all the work right inside your browser. Because there are no server queues or waiting lines, your files are processed instantly.

Fast with zero server waiting
3Private Storage

3. Save in Private Vault

When you save your work, your file is stored securely inside your browser's private vault on your device. You can view or reopen it anytime, even without internet.

Safe offline access on your device
4Complete Control

4. Download, Reuse, or Delete

Download your finished file, send it directly to another tool without re-uploading, or click 'Clear Vault' to permanently erase your files anytime with one click.

You control when files are deleted

How You Can Prove Your Files Never Leave Your Device

Test 1: Turn Off Wi-Fi (Airplane Mode Test)

Open this tool, turn off your Wi-Fi or turn on Airplane Mode, and drop your file. It will still edit, convert, or compress and let you download the result! This proves the tool works completely offline without sending anything to any server.

Test 2: Check with Browser Inspect (Press F12)

Press F12 on your keyboard (or right-click anywhere and choose "Inspect"), click on the Network tab, and process your file. You will see 0 bytes of your file sent over the web — absolute proof of 100% privacy.

Want to learn more about how the Privacy Vault protects your documents offline?Read Privacy Vault Article

UUID Generator Technical Specifications & Device Capabilities

Key features, device compatibility, and supported file types

How It Works

Runs Directly on Your Device

Processed by your browser with zero waiting or upload lag

Privacy & Security

100% Private (0 Files Uploaded)

Safe for bank statements, IDs, tax forms, and confidential files

Watermarks

100% Watermark-Free

Clean original documents ready for official submissions

Supported File Types

.txt

Drag & drop or paste directly from clipboard (Ctrl+V)

Cost & Limits

100% Free With No Limits

No account needed, no daily limits, no paywalls

Device Compatibility

Works on All Phones & Computers

iPhone, Android, Windows PC, Mac, iPad, and Chromebook

Spread The Word

Share UUID Generator with your team or community

Help friends, clients, and colleagues edit and convert documents safely with zero file uploads and no watermarks.

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Zero Uploads • No Daily Limits

Looking for a Free Alternative to Popular Cloud Tools?

Unlike cloud-based services that upload your files to remote servers or enforce hourly limits, EditPDFKit runs 100% in your browser.

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Real User Feedback • 100% In-Browser

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Tap a star to rate your experience. No account or email needed.

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Frequently Asked Questions About UUID Generator

Everything you need to know about UUID Generator on editpdfkit.com

Version 4 only — the fully random variant, where 122 of the 128 bits come from the random source and the remaining six are the fixed version and variant markers. There is no version 1, 5 or 7 here, so if you specifically need a time-ordered identifier for database index locality, generate it in your own stack.