Utooly

All 100+ Free Online Developer Tools & Utilities

Utooly Tools Directory contains over 100 browser-based utilities organized into Developer Tools, Image Editors, PDF Utilities, Text Converters, and AI Assistants. Every tool runs client-side with no file upload limits and 100% data security.

Browse 100+ free online developer utilities, online compilers, image editors, PDF tools, text manipulators, and AI utilities. 100% private, browser-based, with zero downloads.

Pro Image Editor

Studio-grade canvas image editor: filters, fine tuning, crop & rotate, text, brush annotat...

Image to PDF

Convert JPG, PNG or other images to PDF documents...

Image Converter

Convert between JPG, PNG, WEBP, GIF and more formats...

Image Compressor

Reduce image file size without losing quality...

Image Resizer

Resize images to specific dimensions online...

Background Remover

Remove backgrounds from images (client-side AI)....

Image Filters

Apply grayscale, sepia, invert, and other filters to images....

Image Watermark Adder

Add text or image watermarks to your images....

Image Cropper

Crop images online with precision controls....

Image to Base64

Convert images to Base64 encoded strings....

Favicon Generator

Create favicons (PNG format) from your image....

PDF Merger

Combine multiple PDF files into one document...

PDF Splitter

Split PDF documents into multiple files...

PDF Compressor

Reduce PDF file size with advanced compression options...

PDF Encrypt & Decrypt

Add or remove password protection from PDF files....

PDF Page Numberer

Add page numbers to your PDF documents....

PDF to Image

Convert PDF pages to JPG or PNG images....

PDF to Word Converter

Convert PDF documents to editable Word (.docx) files....

Simple Calculator

Perform basic arithmetic calculations with memory and history support....

Percentage Calculator

Calculate percentages, percentage change, and percentage differences....

BMI Calculator

Calculate Body Mass Index (BMI) and healthy weight ranges....

Scientific Calculator

Perform advanced mathematical, trigonometric, and logarithmic calculations....

Compound Interest Calculator

Calculate investment growth and interest over time with breakdown charts....

QR Code Generator

Create custom QR codes for URLs, text, and more...

Age Calculator

Calculate exact age from birth date...

Unit Converter

Convert between various measurement units...

Password Generator

Create strong, secure passwords instantly...

QR Code Scanner

Scan QR codes using your device camera...

Random String Generator

Generate random strings with custom length and characters....

Text to Speech

Convert text into spoken audio using your browser's voice....

Countdown Timer

Set a timer that counts down to a specific event....

Stopwatch

A simple stopwatch to measure elapsed time with lap functionality....

Lorem Ipsum Generator

Generate placeholder text for your designs....

Online Compiler & IDE

Write, compile, and execute C, C++, Python, Java, JavaScript, Rust, Go, PHP, and C# code o...

JSON Formatter

Format and validate JSON data...

Base64 Encoder

Encode/decode Base64 strings...