SignioPDF

SignioPDF 1.3.5

Read PDF, Markdown, and TXT. Edit, sign, annotate, print, and keep your documents local.

Local Document Workspace

More than a PDF editor: a focused place to read, revise, and print

SignioPDF 1.3.5 adds polished Markdown and TXT reading to its fast PDF toolkit, with document outlines, reading controls, external-editor handoff, and a complete print workflow.

Microsoft Store Explore v1.3.5
WindowsmacOSLinux
SignioPDF Markdown reader with document outline
New in 1.3.5 Markdown and TXT reading, built for long-form focus

Navigate headings, tune typography, open a preferred external editor, and refresh the saved file without leaving your reading flow.

3Document formats
5Color themes
UTFBroad text encoding
LocalDocument processing
What Is New

A major reading and printing upgrade

Markdown Reader

GFM tables, task lists, code blocks, links, safe local images, and an automatic heading outline.

TXT Reader

Preserves line breaks and indentation with UTF-8, UTF-16, and GB18030 decoding.

Print Workflow

Preview page ranges, paper size, orientation, scaling, margins, and grayscale before system printing.

External Editors

Choose separate Markdown and TXT editors, then refresh from disk when you return.

PDF Toolkit

The editing tools remain close at hand

01Text and symbols
Add styled text and common form symbols directly on the page.
02Reusable signatures
Draw or upload signatures, remove white backgrounds, resize, and reuse them.
03Highlight and draw
Review documents with text highlights, free-form markup, and drawing tools.
04Page organization
Navigate, rotate, insert, reorder, delete, and merge PDF pages.
Clear Access Model

Reading stays free

PDF, Markdown, and TXT reading remains free. In the Mac App Store edition, SignioPDF Pro unlocks PDF editing, printing, and external-editor integration; other platforms retain their current feature access until platform-specific store products are introduced.

No ads or watermarks are added to your documents.

SignioPDF 1.3.5

One calm workspace for PDFs and everyday text documents

Read the release storyView all features