Popular Tools
Reduce PDF file size with multiple compression modes
LocalCombine multiple PDF files into one document
LocalSplit PDF into multiple files by pages or ranges
LocalBatch compress JPG, PNG, WebP images
LocalBatch convert JPG, PNG, WebP image formats
LocalConvert HEIC photos to JPG or PNG in your browser, no uploads
LocalPDF Tools
Merge PDF
Combine multiple PDF files into one document
Images to PDF
Convert JPG, PNG, WebP images to PDF
PDF to Image
Convert PDF pages to JPG, PNG or WebP images
Compress PDF
Reduce PDF file size with multiple compression modes
Split PDF
Split PDF into multiple files by pages or ranges
Organize PDF Pages
Reorder, delete, rotate and extract PDF pages visually
Add Watermark to PDF
Add text or logo watermarks to PDF with custom position and opacity
Add Page Numbers to PDF
Add page numbers, headers and footers with customizable format and position
Image Tools
Image Format Converter
Batch convert JPG, PNG, WebP image formats
Image Compressor
Batch compress JPG, PNG, WebP images
Image Resizer
Batch resize images by pixel or percentage
Batch Image Watermark
Add text and logo watermarks to images in batch
Batch Image Rotator
Rotate and flip images in batch with custom angles
HEIC to JPG/PNG
Convert HEIC photos to JPG or PNG in your browser, no uploads
EXIF Viewer & Remover
View hidden photo metadata and remove GPS, device and privacy data locally
Image Ratio Calculator
Calculate and scale image aspect ratios
Text Tools
Word & Character Count
Count characters, words, lines and more
Case Converter
Convert text between different case formats
Remove Duplicate Lines
Remove duplicate lines from text
Space Cleaner
Clean up extra spaces, tabs and blank lines
Reading Time Calculator
Estimate reading time for text
Developer Tools
JSON Formatter
Format and compress JSON data
URL Encoder & Decoder
Encode and decode URLs, query parameters and form data
Timestamp Converter
Convert between Unix timestamps and dates
AES Encryption
Encrypt and decrypt text with AES-256-GCM
MD5 Hash Calculator
Calculate text and file MD5, support local file verification
UTM Link Generator
Generate marketing links with UTM parameters
Percentage Calculator
Calculate various percentage scenarios
QR Code Generator
Generate QR codes with logo, colors and batch support
Barcode Generator
Generate Code 128, EAN, UPC barcodes with batch support
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.