Free Online License Key Generator
Generate custom license keys, serial numbers, and product codes in bulk. Free browser-based tool with customizable formats and delimiters. Try it now.
About License Key Generator
The License Key Generator by Doffl creates randomized license keys, serial numbers, and activation codes directly in your browser. Whether you are an independent software developer, game creator, or system administrator, this utility lets you quickly create unique product keys in custom formats without downloading external software.
All generation processes execute entirely on your device, ensuring your generated keys remain private and secure. Customize character sets, adjust block lengths, select specific delimiters, and export generated keys in bulk for seamless distribution and license verification.
Key features
- Generate license keys in bulk with one click
- Customizable block counts and segment character lengths
- Selectable character sets including alphanumeric and custom symbols
- Custom delimiter support using hyphens, dots, or spaces
- Client-side processing keeps your generated keys private
- Instant export options to copy or download keys
How to use License Key Generator
- Choose your preferred character set or input custom characters.
- Specify the number of blocks and characters per block.
- Select a delimiter character such as a hyphen.
- Enter the total quantity of keys you want to produce.
- Click Generate to view, copy, or export your license keys.
Who is it for?
- Independent software vendors creating activation codes for desktop applications
- Game developers distributing beta access codes and promotional keys
- SaaS platforms issuing offline registration strings and customer tokens
- IT teams assigning randomized serial tags for internal hardware tracking
- E-commerce merchants generating unique voucher and gift card numbers
Frequently asked questions
Are the generated license keys secure and random?
Yes, keys are generated using cryptographically secure random number algorithms directly in your browser to prevent predictable patterns.
Does Doffl store my generated license keys?
No, all keys are created locally on your machine. None of your data or generated keys are transmitted to or stored on our servers.
Can I generate license keys in bulk?
Yes, you can generate hundreds of keys simultaneously and copy them to your clipboard or download them as a text file.
Can I customize the format of the keys?
Yes, you can configure the number of blocks, characters per block, delimiter style, and character sets including uppercase, lowercase, and numbers.
Is this license key generator free to use?
Yes, this tool is completely free with no registration, subscription, or software installation required.