QQudo Tools
24 useful tools, all free

Qudo Tools — Simple Online Tools for Everyday Tasks

Free tools for text, developers, calculations and images

🔥Popular Tools

Text

Word & Character Count

Count characters, words, lines and more

Text

Case Converter

Convert text between different case formats

Text

Remove Duplicate Lines

Remove duplicate lines from text

Text

Space Cleaner

Clean up extra spaces, tabs and blank lines

PopularDev

JSON Formatter

Format and compress JSON data

Text

Reading Time Calculator

Estimate reading time for text

Calc

Percentage Calculator

Calculate various percentage scenarios

Calc

Image Ratio Calculator

Calculate and scale image aspect ratios

Dev

UTM Link Generator

Generate marketing links with UTM parameters

PopularDev

Timestamp Converter

Convert between Unix timestamps and dates

Dev

AES Encryption

Encrypt and decrypt text with AES-256-GCM

Dev

MD5 Hash Calculator

Calculate text and file MD5, support local file verification

PopularImage

Image Format Converter

Batch convert JPG, PNG, WebP image formats

PopularImage

Image Compressor

Batch compress JPG, PNG, WebP images

Image

Image Resizer

Batch resize images by pixel or percentage

Image

Batch Image Watermark

Add text and logo watermarks to images in batch

PopularGenerate

QR Code Generator

Generate QR codes with logo, colors and batch support

PopularDev

URL Encoder & Decoder

Encode and decode URLs, query parameters and form data

NewImage

Batch Image Rotator

Rotate and flip images in batch with custom angles

NewGenerate

Barcode Generator

Generate Code 128, EAN, UPC barcodes with batch support

NewPDF

Merge PDF

Combine multiple PDF files into one document

NewImage

Images to PDF

Convert JPG, PNG, WebP images to PDF

NewPDF

PDF to Image

Convert PDF pages to JPG, PNG or WebP images

NewPDF

Compress PDF

Reduce PDF file size with multiple compression modes

Why Choose Qudo

Local Browser Processing

No need to upload files to server

No Registration Required

Open tool and start using

Multiple Languages

Suitable for global users

All calculations are done locally. Your data is never uploaded.