Aspose.PDF Cloud for cURL is designed for developers who need to work with PDF documents directly through cURL commands by leveraging the Aspose.PDF REST API. It allows creation of PDFs in cloud storage or importing PDFs from HTML, XML, or image sources. Developers can perform advanced operations—such as merging, splitting, watermarking, annotating, protecting, or appending PDF files—without installing third‑party software. The REST interface enables fast and secure processing across all platforms where cURL is supported, making it ideal for automation, scripting workflows, CI/CD pipelines, and backend integrations. Aspose.PDF Cloud for cURL also offers rich conversion capabilities, enabling PDF import/export across numerous document, image, markup, and layout formats. Additionally, developers can manipulate text, annotations, bookmarks, signatures, hyperlinks, attachments, form fields, images, stamps, properties, tables, and a variety of PDF elements hosted in the cloud. With extensive optimization, extraction, and annotation customization features, it serves as a complete PDF processing toolkit for command-line and automation environments.

Features

PDF Creation & Import

• Create PDF files on cloud storage.
• Import PDFs from HTML, XML, TeX, SVG, images, and other supported input formats.
• Convert a wide range of formats into PDF including EPUB, LaTeX, MHT, PCL, PS, XSLFO, MD, XML, XPS, and more. PDF Conversion
• Convert PDF to DOC, DOCX, HTML, PPTX, XLS, XLSX, XPS, LaTeX, PDF/A, MobiXML, SVG, JPEG, PNG, TIFF, EMF, BMP, GIF, Text, and additional output formats.
• Convert PDF with XFA forms to AcroForm PDF.
• Choose “Textbox” mode (preserve layout) or “Flow” mode (editable output) for Word conversion. PDF Manipulation
• Merge multiple PDFs; split large PDF documents.
• Append documents to existing PDFs.
• Add, update, or delete document text, annotations, bookmarks, signatures, stamps, hyperlinks, images, attachments, and properties.
• Work with form fields—create, read, flatten, update.
• Add text or image headers/footers; add image or text stamps.
• Manage tables: add, read, delete, or remove all tables from a page or document.
• Encrypt/decrypt PDF files and modify passwords.
• Replace single or multiple text instances within pages or entire documents. Annotations (Full Spectrum) Supports dozens of annotation types such as:
• Text, FreeText, Line, Circle, Polygon, Polyline, Square, Ink
• Highlight, Underline, Squiggle, Strikeout
• Link, Popup, FileAttachment, Sound, Movie, Screen
• Watermark, TrapNet, PrinterMark, Redaction, RubberStamp, Widget, RichMedia
• Supports annotation properties, visibility flags, rotation restrictions, read-only mode, and annotation states (marked, unmarked, accepted, rejected, completed, etc.) Extraction & Optimization
• Extract images (GIF, JPEG, PNG, TIFF), annotations, attachments, or stamps to folders.
• Optimize PDF files by compressing images, reusing page content, linking duplicate streams, removing unused objects, removing unneeded fonts, and cleaning document structure.

Benefits

• No installation needed: Works directly via cURL—ideal for scripting, pipelines, automation, and lightweight environments.
• Platform-independent: Any OS with cURL can perform full PDF workflows.
• Extensive format support: Import/export across dozens of document, image, and markup standards.
• Enterprise-grade processing: Advanced annotation, security, and conversion controls.
• High customization: Full control over annotations, stamps, privileges, and conversion modes.
• Optimized workflows: Reduce PDF size, extract data, and maintain clean, efficient documents.
• Secure: Encryption, password management, privilege restrictions, and protective features like watermarking.