QQudo Tools
🔒 Files processed locally

Privacy-first browser tools

Process PDFs, images, and text directly in your browser. Fast, free, with no file uploads or software installation.

How privacy works
Local browser processing
No sign-up required
Free to use

🔥Popular Tools

LocalText

Word & Character Count

Count characters, words, lines and more

LocalText

Case Converter

Convert text between different case formats

LocalText

Remove Duplicate Lines

Remove duplicate lines from text

LocalText

Space Cleaner

Clean up extra spaces, tabs and blank lines

LocalPopularDev

JSON Formatter

Format and compress JSON data

LocalText

Reading Time Calculator

Estimate reading time for text

LocalCalc

Percentage Calculator

Calculate various percentage scenarios

LocalCalc

Image Ratio Calculator

Calculate and scale image aspect ratios

Dev

UTM Link Generator

Generate marketing links with UTM parameters

LocalPopularDev

Timestamp Converter

Convert between Unix timestamps and dates

LocalDev

AES Encryption

Encrypt and decrypt text with AES-256-GCM

LocalDev

MD5 Hash Calculator

Calculate text and file MD5, support local file verification

LocalPopularImage

Image Format Converter

Batch convert JPG, PNG, WebP image formats

LocalPopularImage

Image Compressor

Batch compress JPG, PNG, WebP images

LocalImage

Image Resizer

Batch resize images by pixel or percentage

LocalImage

Batch Image Watermark

Add text and logo watermarks to images in batch

LocalPopularGenerate

QR Code Generator

Generate QR codes with logo, colors and batch support

LocalPopularDev

URL Encoder & Decoder

Encode and decode URLs, query parameters and form data

LocalNewImage

Batch Image Rotator

Rotate and flip images in batch with custom angles

LocalNewGenerate

Barcode Generator

Generate Code 128, EAN, UPC barcodes with batch support

LocalPopularNewPDF

Merge PDF

Combine multiple PDF files into one document

LocalNewImage

Images to PDF

Convert JPG, PNG, WebP images to PDF

LocalNewPDF

PDF to Image

Convert PDF pages to JPG, PNG or WebP images

LocalPopularNewPDF

Compress PDF

Reduce PDF file size with multiple compression modes

LocalPopularNewPDF

Split PDF

Split PDF into multiple files by pages or ranges

LocalPopularNewPDF

Organize PDF Pages

Reorder, delete, rotate and extract PDF pages visually

Why Choose Qudo

Privacy First

Tools that support local processing run directly on your device. Your files are not sent to Qudo servers.

Fast & Simple

No software installation or account creation. Open a tool and get started immediately.

Complete Workflow

Organize, split, and merge PDFs, or resize, convert, and compress images in one convenient workflow.

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