ConverterHQ
ConverterHQ

Internet-scale file conversion.

Sign in

Convert anything, at global scale.

200+ formats and automation APIs that feels instant.

CONVERT

From

To

Drop files or choose a source

Upload multiple files at once, mix formats, and fine-tune every conversion with format-aware settings.

Max 2GB per file · Drag & drop ready · Mixed file types welcome

STRUCTURED DATA

ODT to Open Package Format Converter — Free, Online, No Signup

Convert ODT files to Open Package Format online with no signup required.

ODT at a glance

ODT

OpenDocument grew out of the push for openly specified office formats, and ODT became one of its most visible outcomes as governments and institutions looked for alternatives to vendor-owned document ecosystems.

Open Package Format at a glance

Open Package Format

OPF began in the Open eBook era, evolved through IDPF EPUB specifications such as OPF 2.0.1, and is now carried forward by the W3C EPUB package-document model.

Format comparison

Feature
ODT
Open Package Format
File type

Document

Other

Extensions
  • .odt

  • .opf

MIME type
  • application/vnd.oasis.opendocument.text

  • application/oebps-package+xml

Created year

2005

1999

Inventor

OASIS

International Digital Publishing Forum (IDPF)

Status

active

active

Primary use cases
  • authoring

  • review and collaboration

  • distribution

  • system exchange

  • automation

  • specialized interoperability

Vector scaling

Not supported

Not supported

Reflowable text

Not supported

Supported

Structured data

Supported

Supported

When to use each format

When to use ODT

  • Your source file is already in ODT.
  • Preserve source expectations before exporting to Open Package Format.
  • ODT is commonly used in document workflows.

When to use Open Package Format

  • Your target workflow expects Open Package Format.
  • Improve delivery compatibility with Open Package Format.
  • Open Package Format is commonly used in other workflows.

FAQs

Why convert ODT to Open Package Format?

EPUB ebook package authoring, ebook metadata management, and ebook production pipelines that generate or process EPUB package documents.

What changes when converting ODT to Open Package Format?

This conversion changes how the format behaves in downstream tools and delivery environments.

Moving to Open Package Format adds reflowable text.

What should I review after converting ODT to Open Package Format?

Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.

Format resources

ODTOpen Package Format