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This changelog highlights notable customer-facing improvements to PDF.co. Routine maintenance and internal infrastructure changes are not included.
June 2026
  • Improved AI Invoice Parser job tracking, timeout handling, and result delivery.
  • Improved API reliability under high concurrency and repeated job-status requests.
  • Added clearer validation and error responses for oversized input downloads.
  • Changed API rate-limit windows from per-second to per-minute for smoother request handling.
May 2026
  • Improved AI Invoice Parser result delivery and callback reliability.
  • Fixed PDF compression failures involving shared images.
  • Improved checkbox flattening and filled-rectangle rendering in PDF processing.
  • Improved HTML-to-PDF validation so invalid input and template errors return clearer client errors.
April 2026
  • Improved security protections for HTML-to-PDF conversion.
  • Improved HTML-to-PDF support for single-page applications that use URL fragments.
  • Improved web-font loading reliability during HTML-to-PDF conversion.
  • Added OCR mode selection support to the PDF Split API.
March 2026
  • Improved AI Invoice Parser output consistency for requested custom fields and structured line items.
  • Fixed duplicate material numbers caused by adjacent PDF text blocks.
  • Improved handling of missing and unrequested custom fields in AI Invoice Parser results.
February 2026
  • Improved AI Invoice Parser extraction for long and multi-page invoices.
  • Fixed cases where structured invoice fields could be mixed into unrelated notes.
  • Improved timeout and job-cancellation handling for PDF conversion.
  • Improved error handling when converting images from remote URLs.
January 2026
  • Added line-item structure hints to AI Invoice Parser.
  • Added support for JSON objects in configurable AI Invoice Parser fields.
  • Added page counts to AI Invoice Parser responses.
  • Improved validation and normalization of AI Invoice Parser line-item structures.
  • Improved timeout and aborted-job reporting for asynchronous processing.
October–December 2025
  • Improved AI Invoice Parser extraction quality, caching, and custom-field handling.
  • Improved temporary-file handling and reliability for asynchronous job results.
  • Added clearer rate-limit details to API error responses.
  • Added more flexible result-retention periods and safer uploaded filename handling.
July–September 2025
  • Added a legacy rendition option and configurable pre-render delay for HTML and URL conversion.
  • Added redaction support to PDF search-and-replace operations.
  • Added password support for PDF compression and information extraction.
  • Added Data Matrix barcode generation.
  • Added support for importing email attachments into PDF documents.
  • Improved webhook callback retries and conversion error messages.
  • Improved HTML-to-PDF performance and compatibility with a newer browser-rendering engine.
  • Improved compatibility with legacy Excel files during Excel-to-PDF conversion.
April–June 2025
  • Added automatic credit refill support.
  • Added PDF Split and PDF Info processing to the newer processing platform.
  • Added TIFF and CMYK image support.
  • Added Google Drive downloads and presigned file-upload support.
  • Added profile support to simple PDF-to-text conversion.
  • Improved AI Invoice Parser API validation and result handling.
January–March 2025
  • Added the v2 PDF compression API.
  • Expanded PDF editing with text, images, form fields, checkboxes, radio buttons, and formatting options.
  • Added profile support to HTML and URL conversion.
  • Added PDF flattening, crop-box handling, and PDF encryption and decryption.
  • Added a simple PDF-to-text API with configurable line endings.
October–December 2024
  • Improved the scalability and reliability of HTML and URL conversion.
  • Improved credit refunds for failed and aborted jobs.
  • Added batch handling for pay-as-you-go billing.
  • Changed webhook processing so callback delivery does not consume additional credits.
July–September 2024
  • Added Data Store APIs and webhook support for stored data.
  • Added the Delay API for scheduled processing workflows.
  • Expanded integration-key support across account, file, and job APIs.
  • Added monthly credit-pack support.
  • Improved optional callbacks and callbacks for aborted jobs.
April–June 2024
  • Introduced the AI Invoice Parser API and Document Parser tools.
  • Added API management for reusable HTML templates.
  • Added Google Drive file support to document-processing workflows.
  • Added duration and job-duration fields to API responses.
  • Added profile support to simple PDF-to-text conversion.
January–March 2024
  • Added the PDF Inspector as an alias for the PDF editing helper.
  • Added rotation-angle support for text watermarks and PDF editing.
  • Improved the Document Parser template editor and related APIs.
  • Improved PDF-to-image, HTML-to-PDF, and table-detection reliability.
July–December 2023
  • Added TextSense document-processing integration.
  • Added output-link expiration information to API responses.
  • Improved OCR and CSV conversion behavior.
  • Improved PDF-to-image rendering for logos and object backgrounds.
  • Added a general webhook interface for processing callbacks.
  • Improved the dashboard, API Logs page, subscription pages, and local-time display.
January–June 2023
  • Expanded PDF form-field reading and editing for checkboxes, combo boxes, and list boxes.
  • Added user-controlled PDF encryption and transparent colors for PDF editing.
  • Added direct-download link support for online file-sharing services.
  • Added paper-size support to image-to-PDF conversion.
  • Improved PDF text replacement, output filenames, and embedded-document handling.
  • Added public links to the PDF.co service status page and feature-request portal.
August–December 2022
  • Added barcode-based PDF splitting.
  • Added profile support to PDF optimization.
  • Improved right-to-left text search and PDF text extraction.
  • Expanded Email Send API options and attachment information.
  • Added encrypted file uploads.
  • Added the Document Classifier and improved the Document Parser editor.
  • Expanded HTML-to-PDF profile controls for input styles.
  • Improved PDF information extraction for protected and damaged documents.