
hYYa ink: PDF & Markdown
JSON, CSV & YAML editor
About
This app transforms raw text files like Markdown, JSON, and CSV into readable, editable documents. It also offers robust PDF management, including editing, signing, and making scanned documents searchable. AI integration allows for summarization and reformatting of text-based files.
What's New in hYYa ink
1.5.0
October 18, 2026
This release contains general bug fixes and stability improvements.
Subscriptions & In-App Purchases
$19.99
hYYa ink Pro
Unlock editing and AI actions. One-time purchase.
Developer apps
FAQ
What formats can hYYa ink edit?
hYYa ink can edit Markdown, JSON, YAML, TOML, CSV, TSV, AsciiDoc, Org-mode, XML, diff, logs, and Jupyter notebooks. PDF editing is also a core feature.
Is hYYa ink free to use?
Reading and previewing all supported formats, exporting to PDF, and printing are free. Advanced editing features for PDFs and other formats require a Pro upgrade.
Does hYYa ink support AI features?
Yes, hYYa ink allows you to bring your own AI key from services like OpenRouter or Groq. AI actions like 'Explain', 'Summarize', 'Reformat', and 'Fix errors' are available for text-based formats.
How does hYYa ink handle privacy?
hYYa ink is designed with privacy in mind. It has no accounts, no tracking, and no data collection. Documents are processed on your device and never leave unless you explicitly ask.
Can I edit PDFs with hYYa ink?
Yes, you can read, search, organize, and sign PDFs. You can also add text, draw signatures, mark up pages, make scanned PDFs searchable with on-device text recognition, and compare PDFs.
What devices does hYYa ink support?
hYYa ink is available on Mac, iPhone, iPad, and Apple Vision Pro.
How often is hYYa ink updated?
The latest version, 1.5.0, was released on October 18, 2026, indicating regular updates to improve functionality and add features.
Can I edit JSON values directly in the preview?
Yes, for JSON, YAML, and TOML, you can edit values directly within the collapsible tree view, and hYYa ink will write the changes back to the source file with valid syntax.









