
hYYa ink: Markdown & JSON
PDF Signer, CSV & YAML Viewer
About
This app transforms raw text files and documents into easily readable formats. It allows for in-document editing, PDF manipulation, format conversion, and AI-powered assistance, all while prioritizing user privacy and offline functionality.
What's New in hYYa ink
2.1.5
November 10, 2026
This release contains general bug fixes and stability improvements.
Subscriptions & In-App Purchases
Free
7-day Trial
Every Pro feature free for 7 days. Nothing to pay.
Developer apps
FAQ
What file formats can hYYa ink read?
hYYa ink can read Markdown, JSON, YAML, TOML, CSV, TSV, Mermaid, Graphviz, LaTeX, Jupyter notebooks, AsciiDoc, Org-mode, XML, diffs, logs, and PDFs. Reading all these formats is free forever.
Can I edit files directly in hYYa ink?
Yes, you can edit text files, change JSON values, and modify table cells directly within the app. This functionality, along with PDF tools and format conversion, requires a one-time purchase after a 7-day free trial.
Does hYYa ink support AI features?
Yes, hYYa ink integrates with AI services like OpenRouter, Groq, and Together AI for tasks such as explaining, summarizing, translating, reformatting documents, or generating diagrams. Your API key remains on your device, and only the document's text is sent when an AI action is performed.
Is hYYa ink available on multiple devices?
hYYa ink is available on Mac, iPhone, iPad, and Apple Vision Pro. The Pro features, unlocked by a one-time purchase, are accessible across all these supported Apple devices.
How does hYYa ink handle PDF editing?
hYYa ink allows you to sign PDFs visually, add stamps, highlight, underline, and redact text. It also offers features like searching, reorganizing pages, splitting, compressing, and comparing PDFs. These PDF tools are part of the Pro features.
What are the privacy features of hYYa ink?
hYYa ink is designed with privacy in mind. It requires no account, tracking, or data collection. Documents open and remain on your device unless you choose to send them, and AI processing keeps your API key local.
How often is hYYa ink updated?
The latest version of hYYa ink is 2.1.5, last updated on November 10, 2026. While specific update frequency isn't detailed, the app is actively maintained.
What is the cost of hYYa ink?
Reading all supported formats, saving as PDF, printing, and PDF searching/browsing are free. Editing, PDF tools, saving in other formats, and AI features are unlocked with a one-time purchase after a 7-day free trial.









