Prepare one image
Resize, crop, rotate, compress, or convert PNG, JPEG, and WebP files with exact output controls and an immediate preview.
Tool collection
Edit, convert, and create with image tools
Prepare a single image, process a complete batch, build a color palette, draw a quick diagram, or create and scan QR codes. Choose the focused workspace that matches the job.
5 focused toolsNo account requiredLocal-first processing
Choose a workspace
Image & design tools
Open the tool that matches your task. Each workspace keeps its controls and results focused on one type of job.
Images & Design
Open tool Image Essentials
Edit an image in one workspace, then export it as PNG, JPEG, or WebP. Use visual crop handles, exact dimensions, rotation, flipping, and quality controls without uploading the image to Unidec.
Conversion & Compression
Open tool Batch Image Converter
Process a complete image batch with shared format, resize, and quality settings. Review file-size changes and download each result or one ZIP archive.
Images & Design
Open tool Color & Design Essentials
Work with common color formats, sample colors from an image or screen, generate harmonies and ramps, and check text contrast against WCAG thresholds.
Images & Design
Open tool Sketch Essentials
Create quick explanations with shapes, connectors, text, freehand drawing, and inserted images. Share the editable document inside a link or save it as PNG, SVG, or a sketch file.
Images & Design
Open tool QR Essentials
Generate downloadable QR codes for common everyday formats, or decode a QR code from an image. Camera scanning starts only after explicit browser permission.
Common tasks
What you can do
Process a complete batch
Apply one format, size, and quality setting to multiple images, then download the results individually or together in a ZIP.
Create useful visual assets
Extract and check colors, sketch a shareable diagram, or generate a QR code for a link, Wi-Fi network, contact, or message.