Simple API for creating SVG QR codes with an optional error correction level.

The 3D Bin Packing problem is a classic combinatorial optimization problem that has wide applications in logistics, warehousing, transportation, and many other fields. Its core is to reasonably pack a series of three-dimensional items (boxes) of various sizes into a limited number of three-dimensional containers (boxes, cargo containers, etc.), with the typical goal of minimizing the number of containers used or maximizing the utilization rate of containers while satisfying various constraints.

The Keyword Optimization API offers a valuable tool for generating keywords, empowering users to enhance their SEO and content strategies effectively.

Generate cryptographic hashes and checksums of any text, sign payloads with a secret key, encode and decode data, and create random unique identifiers in one call. Nothing is stored.

Generate crisp scannable barcodes and matrix codes in fifteen symbologies for retail, logistics and tickets. Control the scale, bar height and the human readable text under the bars. Print ready images in one call.

The Digit to Word Conversion API seamlessly transforms numerical data into words, enhancing readability and providing a clear linguistic representation.

Validate and format identity and business document numbers with correct check digit verification. Confirm whether a number is valid and generate valid sample numbers for software testing.

Create high-quality, customizable QR codes with logos, colors, and custom styles. Perfect for marketing, branding, and dynamic links.

Enhance the contrast of overly dark or bright images, making them more vivid and visually appealing with the Image Contrast Enhancement API.

Create stunning, high-quality QR codes effortlessly with our Pro Generator API. Perfect for businesses and events!

Elevate your brand with QR codes featuring custom logos for professional impact using our Pro Generator API.

The Image Trimming Enhancement API is a powerful tool for intelligently trimming the edges of the main document in a photo while enhancing the image to highlight the text. The API uses advanced algorithms to accurately detect the edges of the document and remove any unnecessary background, resulting in a cleaner, more professional-looking image.

EU-Compliance: Digital Product Passport (DPP) Immutable QR Engine. Guaranteed 10-year URL persistence for Textile and Battery ESPR mandates (March 2026). High-error-correction QR generation optimized for industrial label printing. Frankfurt (EU-Central) data residency.

Reduce PDF file size by up to 90% while preserving visual quality, using an industry-grade Ghostscript-tiered compression engine. Choose basic, medium, or maximum compression to balance size and quality. Perfect for email attachments, web uploads, document archiving, and storage optimization. Upload a PDF and receive a downloadable compressed file with before/after size metrics. Fast, reliable, and production-ready for any document workflow.

Unleash the power of words with our Numbers to Text API. Transform numerical data into expressive narratives effortlessly. Seamlessly integrate this linguistic wizardry into your applications, converting bland figures into engaging stories. From financial reports to interactive dashboards, add a human touch to data. Let your numbers speak, eloquently and creatively

Design personalized QR codes with diverse styles and customizations using our Pro Generator API.

Enhance image resolution, detail, and texture while reducing noise with our Image Upscaler API, supporting 2-4x resolution enlargement with multiple output modes.

Enhance the sharpness of compressed and blurry images with the Image Sharpness Enhancement API, providing intelligent denoising and texture optimization for clearer and more natural visuals.

Extract Aadhaar numbers effortlessly and enhance your applications using our reliable Aadhaar Number Extractor API.

Extract structured data from documents with high-accuracy OCR, including personal details, dates, numbers, and formatted text for verification and automation.

Seamlessly decode complex documents with our Document Decoder API for enhanced productivity.

The Decision Optimizer API optimizes complex decisions by mapping elements to requirements with customized constraints, maximizing results and minimizing costs, ideal for resource, budget and allocation efficiency.

The Hashtag Optimize API automates the creation of hashtags, simplifying social media marketing strategies with its intelligent algorithms and insights.

Your ultimate solution for reducing memory usage, cutting storage costs, and enhancing application performance—all without the need to rewrite your existing business logic. With a single API call, you receive a comprehensive savings report detailing the optimization in bytes, KB, MB, or GB.

Optimize decisions by mapping elements to constraints, balancing costs and results efficiently for budget and resource management.