LexiPulse: PDF & eBook

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About this app

LexiPulse is three ways of reading the same document — and a toolkit for everything else you do with a PDF. None of it leaves your device.

THREE VIEWS, ONE READING POSITION
• Original: the page as it was laid out, with figures, tables and forms
• Page: the same document as flowing text, in the typeface you choose
• Word stream: one word at a time in a fixed spot, when you need to get through it
Switch whenever you like and never lose your place.

THE PDF AS A PDF
• Zoom, fit width, fit page, rotate, dark rendering
• Thumbnails, the document's own outline, links
• Full-text search with a hit list and a jump to the match
• Open protected files with a password; the password is never stored

ANNOTATE AND COMMENT
• Highlight, underline and strike along the line, not as a box you drag
• Draw freehand, any width and colour; rectangle, ellipse, line and arrow
• Text boxes anywhere, at any size
• Sticky notes that other PDF apps show as well

FILL IN AND SIGN
• Form fields: text, checkboxes, dropdowns, multiple choice
• Close a half-filled form and carry on tomorrow
• Flatten the answers so nobody can change them
• Draw, type or photograph your signature; white paper turns transparent

PAGES AND FILES
• Rotate, delete and reorder pages
• Insert a blank page, another PDF or an image — which is also how you merge
• Pull selected pages out as a file of their own
• Several photos become one PDF: photograph it, sign it, send it back
• Redaction that really removes the text instead of covering it
• Save as a new file or replace the original

PAGE MODE
• The whole document as flowing text, not just one chapter
• Four typefaces including OpenDyslexic; size, spacing, margins and justification
• Turn pages with a page number or scroll, plus auto-scroll

WORD STREAM
• 100 to 1200 words per minute, continuously adjustable
• Every word sits on its Optimal Recognition Point, marked in colour
• Long words and punctuation get more time, paragraph endings twice as much
• A warm-up ramp after every start, read-aloud in step

READING AIDS
• Bionic emphasis: word openings in bold, strength adjustable
• A reading ruler that follows the line you are on
• Six colour filters for readers with visual stress
• OpenDyslexic ships with the app, nothing is downloaded

SEARCH AND HIGHLIGHTS IN TEXT
• Full-text search, accent-tolerant: "fur" finds "für"
• Highlights in five colours with notes, as a list and as Markdown

IMPORT
• PDF, including scans with no text layer
• EPUB (2 and 3) and FictionBook with chapters and cover
• Text, Markdown, HTML, the clipboard and web articles by URL
• A smart filter removes running heads, footers, page numbers and table rows

LIBRARY
• Search, sort, filter and tag
• Reading progress, bookmarks, statistics with a streak and a daily goal
• Back up and move to another device, no account and no server
• Export all your own data as JSON (GDPR Art. 20)

PRIVACY
No account, no tracking, no ads. Your documents are processed and stored on your device only — including while you edit, fill in and sign them. The one feature that contacts a server is importing a web article by URL.

PRICE
4.99 euros once. No subscription, no in-app purchases, no ads. There is also a free web version at lexipulse.de.

WHAT LEXIPULSE DOES NOT DO
No conversion to Word and no server-side compression — both would mean uploading your file. The drawn signature is a picture of your signature, like a printout you signed and scanned; it is not a qualified electronic signature under eIDAS. A scanned PDF can be viewed and edited, but not searched.

PLEASE NOTE
LexiPulse is a tool for displaying text, not a medical device. Start the word stream at 250 to 300 words per minute.

Legal notice, privacy policy and terms: lexipulse.de
Read, annotate, fill in and sign PDFs and e-books. Nothing is uploaded.
Updated on
Aug 17, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • No data shared with third parties
    Learn more about how developers declare sharing
  • No data collected
    Learn more about how developers declare collection

What’s new

Version 1.1

A PDF is a PDF again.

• New "Original" view: the page as it was laid out, with zoom, thumbnails, outline and full-text search
• Highlight, underline, draw, add text boxes and notes
• Fill in forms and flatten them when you are done
• Sign by drawing, typing or photographing your signature
• Rotate, delete, reorder, insert and extract pages
• Redaction that really removes the text
• Open scanned PDFs; several photos become one PDF

All on your device. No file is uploaded.