# docuseal | DocuSeal | Knowledge Base | Instagit

Open source DocuSign alternative. Create, fill, and sign digital documents ✍️

GitHub Stars: 13.6k

Repository: https://github.com/docusealco/docuseal

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## Articles

### [How Preview Images Are Generated for Template Documents in DocuSeal](/docusealco/docuseal/docuseal-template-preview-image-generation)

Learn how DocuSeal generates template document preview images using Pdfium and Vips through the Templates::ProcessDocument module for efficient storage with Active Storage.

- Tags: internals
- Published: 2026-05-05

### [Docuseal Submission Completion Processing: A Step-by-Step Code Analysis](/docusealco/docuseal/docuseal-submission-completion-processing)

Analyze Docuseal submission completion processing step-by-step. Learn how the ProcessSubmitterCompletionJob handles PDF generation, audit trails, emails, and webhooks.

- Tags: deep-dive
- Published: 2026-05-05

### [How Docuseal Template Folders Work: Organization and Hierarchy Management](/docusealco/docuseal/docuseal-template-folders-organization-management)

Learn how Docuseal template folders organize your documents with a hierarchical structure. Discover account scoping, default folders, and parent child naming conventions for efficient management.

- Tags: how-to-guide
- Published: 2026-05-05

### [How the Docuseal Embedded Signing Form Works with React, Vue, and Angular SDKs](/docusealco/docuseal/docuseal-embedded-signing-form-sdk)

Learn how the Docuseal embedded signing form leverages React, Vue, and Angular SDKs to provide seamless document signing experiences through iframe integration and postMessage communication.

- Tags: how-to-guide
- Published: 2026-05-05

### [Docuseal API Structure for Creating and Managing Templates and Submissions: Complete REST Reference](/docusealco/docuseal/docuseal-api-template-submission-management)

Explore the Docuseal API structure for managing templates and submissions. Access complete REST reference and CRUD operations secured with Bearer tokens or session cookies.

- Tags: api-reference
- Published: 2026-05-05

### [How the Docuseal Multi-Submitter Workflow Handles Document Submissions](/docusealco/docuseal/docuseal-multi-submitter-workflow)

Discover how the Docuseal multi-submitter workflow handles document submissions. Learn about unambiguous submission creation and support for complex agreements, even with undefined submitters.

- Tags: how-to-guide
- Published: 2026-05-05

### [Docuseal Webhook Events: Available Types and Event Processing Pipeline](/docusealco/docuseal/docuseal-webhook-events-processing)

Explore Docuseal webhook events for Template, Submission, and Form. Understand how our deterministic pipeline processes webhook events for document lifecycle changes.

- Tags: api-reference
- Published: 2026-05-05

### [Docuseal Template Model Structure: Understanding Fields, Schema, and Submitters](/docusealco/docuseal/docuseal-template-model-structure)

Understand the Docuseal Template model structure. Learn how fields, schema, and submitters are defined using JSON-serialized nested arrays for form inputs, attachments, and signers.

- Tags: internals
- Published: 2026-05-05

### [How Docuseal Handles PDF Form Field Types and Options](/docusealco/docuseal/docuseal-pdf-form-field-types-options)

Learn how Docuseal uses HexaPDF to parse PDF form field types like text, checkbox, radio, and select, normalizing geometry and options for seamless form processing.

- Tags: deep-dive
- Published: 2026-05-05