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It is a software development kit (SDK), consists of PDF SDK and PDF Conversion SDK. With this SDK, even developers with limited knowledge of PDF can quickly integrate professional PDF functions with just a few lines of code on multiple platforms. | Generate thousands of barcodes instantly from Excel or CSV. Create Code128, EAN-13, UPC & QR codes with real-time preview, custom labels, and print-ready PDF download. Fast, secure, and easy to use. |
Standard page display modes, including Scrolling, Double page, Crop mode, and Cover mode;
Navigation with thumbnails, outlines, and bookmarks;
Text search & selection;
Zoom in and out & Fit-page;
Switch between different themes, including Dark mode, Sepia mode, Reseda mode, and Custom color mode;
Text reflow;
Create, edit and remove annotations, including Note, Link, Freetext, Line, Square, Circle, Highlight, Underline, Squiggly, Strikeout, Stamp, Ink, Sound;
Support for annotation appearances;
Import and export annotations to/from XFDF;
Support for annotation flattening | Bulk Barcode Generator, UPC Generator, EAN-13 Generator, Excel Barcode Generator, Sequential Generator |
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Cloudinary is a cloud-based service that streamlines websites and mobile applications' entire image and video management needs - uploads, storage, administration, manipulations, and delivery.

imgix is the leading platform for end-to-end visual media processing. With robust APIs, SDKs, and integrations, imgix empowers developers to optimize, transform, manage, and deliver images and videos at scale through simple URL parameters.

OpenCV was designed for computational efficiency and with a strong focus on real-time applications. Written in optimized C/C++, the library can take advantage of multi-core processing. Enabled with OpenCL, it can take advantage of the hardware acceleration of the underlying heterogeneous compute platform.

ImageKit offers a real-time URL-based API for image & video optimization, streaming, and 50+ transformations to deliver perfect visual experiences on websites and apps. It also comes integrated with a Digital Asset Management solution.

scikit-image is a collection of algorithms for image processing.

Effortless image resizing, optimization and CDN delivery. Make your site fully responsive and really fast.

Try Nano Banana Pro for free, Gemini's AI image generator and photo editor, allows you to create high-quality images and turn photos into endless new creations.

Trouble creating visuals? Try Nano Banana AI Image Editor with Nano Banana Pro by Gemini 3—generate free, unique images online. Upload or describe, no sign-up.

It supports JPEG, PNG and GIF files. You can optimize your images in two ways - by providing an URL of the image you want to optimize or by uploading an image file directly to its API.

ImageEngine is an intelligent Image CDN that dynamically optimizes image content tailored to the end users device. Using device intelligence at the CDN edge, developers can greatly simplify their image management process while accelerating their site.