Free Online Tools
Simple, fast utilities — no login required.
one299.com is a collection of free, privacy-friendly utilities that run entirely in your browser. There is nothing to install and no account to create — pick a tool below and start working. Each one is built to handle a single everyday task quickly, whether you are generating a secure password, encoding data, drafting placeholder copy, or converting times across the world.
Password Generator
Generate strong, secure passwords with custom settings.
Base64 Encoder / Decoder
Encode and decode text using Base64 encoding.
URL Encoder / Decoder
Encode and decode URL components.
Lorem Ipsum Generator
Generate placeholder text for your designs.
Markdown Preview
Write Markdown and see the live preview.
Timezone Converter
Convert times between different timezones.
Why use these tools?
Most quick technical jobs do not deserve a heavyweight app or a sign-up form. These tools load instantly, work on desktop and mobile, and process your input on your own device so your data never leaves your browser. They are free to use as often as you like.