marker vs ImageToolbox
Document conversion and Android image tools compared
marker converts PDFs and other supported documents into structured formats for reading and downstream processing. ImageToolbox is an Android app for editing and processing images, with additional OCR and PDF utilities. The main difference is document conversion on a local processing workflow versus a broad set of mobile media tools.
marker: Convert Documents into Structured Text
Marker converts PDFs and other documents into Markdown, JSON, HTML, or chunks, preserving structure such as tables, equations, and images. It suits developers building document-processing workflows who can run its local models and inference backend.
ImageToolbox: Edit, Convert, and Process Images on Android
ImageToolbox is a feature-rich Android app for photo editing, image conversion, OCR, PDF tasks, and other media workflows. It suits users who want many image utilities in one place, with distribution through Google Play, F-Droid, and GitHub releases.
| marker | ImageToolbox | |
|---|---|---|
| Language | Python | Kotlin |
| License | Apache-2.0 | Apache-2.0 |
| Stars | 40.2k | 14.8k |
| Forks | 2.9k | 643 |
| Last analyzed | Oct 3, 2026 | Oct 3, 2026 |
Key differences
- marker is a Python document-conversion tool; ImageToolbox is an Android app written in Kotlin.
- marker outputs Markdown, JSON, HTML, or chunks while aiming to preserve document structure; ImageToolbox focuses on image editing, conversion, and media utilities.
- marker uses OCR, layout detection, and a local inference backend; ImageToolbox offers Android workflows for tasks including OCR, PDF operations, and image editing.
- marker supports command-line batch conversion, a Python API, and a small local server; ImageToolbox is distributed through Google Play, F-Droid, and GitHub releases.
- Both projects use the Apache-2.0 license. marker notes that its model weights have separate terms, while ImageToolbox has FOSS and market variants with some differences.
- The supplied project data lists 40.2k stars for marker and 14.8k for ImageToolbox.
Choose marker if you…
- need to convert PDFs or supported documents into structured Markdown, JSON, HTML, or chunks.
- want a self-hosted workflow with control over conversion formats or processing logic.
- can run its local models and inference backend for document OCR and layout processing.
Choose ImageToolbox if you…
- want image editing, conversion, and batch processing on an Android device.
- need mobile tools for OCR, searchable PDFs, or other PDF operations alongside image utilities.
- prefer a broad set of media tools, including collages, metadata, watermarks, and format conversion.
This comparison is generated with AI from the OSRepos analyses of both projects. Always check each project's repository and documentation before choosing.