All Free Online Tools

One Man Army (OMA) is a collection of focused utilities that run in your browser. No accounts, no uploads when possible — just fast tools that solve one job well.

Text tools

Word Counter

Count words, characters, sentences, and reading time instantly.

Case Converter

Convert text to UPPER, lower, Title, camelCase, and more.

Image tools

Img

Image Compressor

Resize and compress images without uploading to a server.

↔

Image Converter

Convert images between JPG, PNG, and WebP formats.

Developer tools

{}

JSON Formatter

Format, validate, and minify JSON in your browser.

URL

URL Encoder

Encode and decode URLs and special characters instantly.

PDF tools

PDF

PDF Merge & Split

Merge multiple PDFs or extract pages — all in your browser.

Utility tools

Unit Converter

Convert units across mass, length, temperature, data, pressure, and more.

Password Generator

Create strong random passwords with custom length and symbols.

QR Code Generator

Generate QR codes from text or URLs and download as PNG.