Common EPUB Conversion Problems and Their Solutions
Garbled text, missing chapters, blank pages, lost images, cut-off text and failures on large files: why each happens in EPUB conversion and how to fix it.
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PDF tips and AI document guides
Practical tutorials for everyday PDF editing and AI-assisted document work.
EPUB vs PDF: Which Format Should You Use?
EPUB reflows to fit any screen; PDF fixes the page. A practical comparison of reading, accessibility, editing, printing and conversion between the two.
Read guide →How to Change an EPUB Book Cover
Replace or add the cover of an EPUB. Why covers go missing, what size and format to use, and how to make reading apps show the new one.
Read guide →How to Convert EPUB to Markdown
Convert an EPUB to Markdown with headings, emphasis, lists and links, optionally with images in a ZIP. See exactly how each element maps.
Read guide →How to Convert EPUB to PDF (and What Changes When You Do)
Convert an EPUB to PDF through your browser's print engine, choose page size and text size, and know which parts of a book survive the conversion.
Read guide →How to Convert EPUB to TXT
Convert an EPUB to plain UTF-8 text. What is kept, what is dropped, how Arabic and other scripts behave, and what to do with the file afterwards.
Read guide →How to Edit EPUB Metadata (Title, Author, Language, Tags)
Fix wrong titles, authors and languages in an EPUB. Which fields exist, which are required, and how to edit them without touching the book's content.
Read guide →How to Extract Text From an EPUB
Four ways to get text out of an EPUB: the whole book, chapter files, quotations, or passages around a search term. Includes tips for research and citations.
Read guide →How to Open EPUB Files on Android
Android has no built-in EPUB viewer. Here are four ways to open an EPUB on a phone or tablet, with the trade-offs of each, and what to do when it will not open.
Read guide →How to Organize an EPUB Library
A practical system for naming, tagging and cleaning an EPUB collection: metadata first, consistent file names, one master copy, and checks that catch broken books.
Read guide →How to Preserve Chapters and Formatting During EPUB Conversion
What survives when you convert an EPUB to TXT, Markdown or PDF, why chapters get merged or lost, and how to check a conversion before you rely on it.
Read guide →How to Protect Your Privacy When Using Online EPUB Tools
Online ebook tools often upload your book. How to tell whether a tool processes files locally, what metadata leaks, and what PDFSwift's EPUB tools do and do not send.
Read guide →How to Read EPUB Books in a Browser
Open and read an EPUB in any modern browser without installing software. What works, what is filtered for safety, and how right-to-left books are shown.
Read guide →How to Repair Common EPUB Errors
The EPUB errors that can be fixed by rule, how to fix them by hand or with a tool, and which problems cannot be repaired automatically.
Read guide →How to Validate an EPUB File
Check an EPUB for structural errors with a browser tool, and with W3C EPUBCheck for formal conformance. What each result means and what to do next.
Read guide →What Is an EPUB File? Structure, Versions and How It Works
An EPUB is a ZIP of web pages and XML files. Learn what is inside, how EPUB 2 differs from EPUB 3, and why a book can fail to open.
Read guide →Merge PDFs Without Losing Quality
Combine multiple PDFs into one file while protecting fonts, images, and page fidelity.
Read guide →Split Large PDFs Cleanly
Break huge PDFs into tidy sections without orphaned pages or missing content.
Read guide →Compress a PDF for Email
Shrink PDFs for mailbox limits while protecting readability and important visuals.
Read guide →PDF to JPG for Presentations
Turn PDF pages into clear JPG images that look sharp in decks and on screen.
Read guide →PDF to PNG Transparent Exports
Create sharp PNG page exports for design work, overlays, and detailed diagrams.
Read guide →Extract PDF Text to Word
Move PDF content into Word for editing while reducing broken layouts and missing text.
Read guide →Password Protect a PDF Before Sharing
Secure sensitive PDFs with passwords and share access without leaking the file in transit.
Read guide →Unlock a PDF You Own
Create an unlocked working copy of your own password-protected PDFs for editing and reuse.
Read guide →Sign PDF Contracts Online
Sign agreements in-browser with a clear workflow for review, signature placement, and secure sharing.
Read guide →Rotate and Organize Scanned PDFs
Rescue messy scans by fixing rotation, dropping blanks, and ordering pages for easy reading.
Read guide →AI Summarize Long PDF Reports
Turn lengthy PDF reports into concise summaries and action-oriented takeaways.
Read guide →Chat with PDF Contracts
Query contract PDFs with AI chat to find clauses faster without skipping human legal review.
Read guide →AI OCR for Scanned Documents
Convert image-based PDF scans into usable text with a careful OCR and review workflow.
Read guide →Rewrite PDF Content with AI
Modernize stiff PDF copy with AI rewriting after a clean extraction and fact check.
Read guide →ATS-Friendly CV from PDF
Make PDF resumes easier for ATS software to parse without giving up a polished look.
Read guide →AI Cover Letter from a PDF CV
Turn a PDF resume and job post into a tailored cover letter you can honestly refine and send.
Read guide →Translate PDF Documents Accurately
Move PDF content across languages with OCR when needed, careful review, and clean export habits.
Read guide →Privacy-First Browser PDF Editing
Practical habits for editing PDFs online while reducing unnecessary exposure of sensitive documents.
Read guide →AI-Assisted PDF Workflow Best Practices
Combine classic PDF tools with AI features in a repeatable workflow that stays accurate and secure.
Read guide →Scan to Polished PDF Guide
A start-to-finish workflow for turning raw scans into clean, searchable, shareable PDFs.
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