Text utilities
Convert, clean, split, and reshape text without leaving the browser or installing extra software.
About MastreTools
Practical browser tools designed to get everyday work done faster
MastreTools brings together focused browser utilities for text, numbers, encoding, images, and developer tasks with a clean, low-friction experience.
Browser
First workflow
Fast
Instant results
Free
No sign-in
Mobile
Responsive layout
What we build
Tools that stay focused on the job
Each page is built to do one thing well, with clear inputs, immediate results, and a layout that stays readable on desktop and mobile.
Number helpers
Work with decimal, hexadecimal, octal, timestamps, and other common formats in a few clicks.
Encoding tools
Encode and decode data for logs, payloads, hashes, and quick development workflows.
Why it exists
Fast, readable, and low-friction by design
The goal is to make common web utility work feel simple: open a page, paste data, get the result, and keep moving. The site avoids unnecessary setup and keeps the interface approachable for quick work sessions.
Pick a tool
Use the homepage categories, popular tools, or the search field in the header.
Work in the browser
Paste text or values directly into the tool and review the result immediately.
Copy and continue
Use the result anywhere you need it, from notes and logs to code and documents.
Our approach
Keep the experience clear and dependable
MastreTools is shaped around direct page names, simple controls, and output that is easy to scan so users can stay focused on the task.
Speed matters
Pages should load quickly and make everyday conversions feel instant.
Clarity wins
Labels, buttons, and outputs should be obvious at a glance.
No setup required
Open a page in the browser and use the tool without installing software or creating an account.
Have an idea for a useful tool?
Send a note with the converter, formatter, or helper you would like to see next.