---
layout: main
info: this file is generated automatically, please do not modify it
---

# Frequently Asked Questions

* [Configure tab zones size  left/right/top/bottom](/faq/tap-zones-configuration)
* [Working with _Librera_'s Profiles](/faq/working-with-profiles)
* [Working with OPDS Catalogs](/faq/working-with-opds-online-catalogs)
* [Updating Your Library](/faq/update-the-library)
* [TTS Replacements](/faq/tts-replacements)
* [Text selection in multiple columns in PDFs](/faq/text-selection-in-multiple-columns-in-PDFs)
* [Sorting Your Library by Latest Reads](/faq/sort-library-by-last-read-date)
* [Syncing Your Reading Setup Across Multiple Devices](/faq/setting-up-synchronization)
* [Setting Up Fingerprint or Password Protection](/faq/setting-up-fingerprint-or-password-protection)
* [Reading in RTL Languages](/faq/rtl-or-ltr-text-direction)
* [RSVP Speed Reading](/faq/rsvp-speed-reading-rapid-serial-visual-presentation)
* [Re-paginating Your Document to Match the Book's Page Numbers](/faq/relative-page-numbers)
* [Calibre-Style Reference Mode](/faq/reference-mode-calibre)
* [Reading Modes: Scroll, Book, and Musician's](/faq/reading-mode-vertical-book-musician)
* [Opening a Folder with Images as a Book (Bind in a Book)](/faq/open-folder-with-images-as-a-book)
* [Open book with "Tag Manager"](/faq/open-book-with-tag-manager)
* [Navigating the _Library_ Tab](/faq/main-app)
* [Using *Librera* for Learning Foreign Languages](/faq/librera-for-study-foreign-languages)
* [Using a Text-to-Speech Engine with _Librera_](/faq/installation-and-configuration-of-tts)
* [In-Text Notes vs. Footnotes](/faq/include-footnotes-directly-in-the-text)
* [Using TTS Capability for Reading Shares from Other Apps](/faq/how-to-transfer-text-from-browser)
* [Page Viewing/Layout Options](/faq/how-to-set-up-reading-mode)
* [Setting Up the Status Bar](/faq/how-to-set-up-a-status-bar)
* [How to Select Text in _Librera_](/faq/how-to-set-text-selection)
* [Customizing Page Background](/faq/how-to-set-page-background-image)
* [How to Restore Default Settings/Clear Cache](/faq/how-to-restore-default-settings-clear-cache)
* [Increasing Font-Size in PDF Documents](/faq/how-to-make-the-font-size-bigger-on-a-pdf)
* [Musician's Mode: Toggling On-Screen Markings](/faq/how-to-disable-dashed-lines-red-lines-in-the-Musician-mode)
* [How to Delete a Book from an External SD Card](/faq/how-to-delete-file-from-external-sd-card)
* [Using _Librera_'s Widget](/faq/how-to-configure-the-widget)
* [Customizing the Look and Feel of Your Library](/faq/how-to-configure-the-library-view)
* [How to Add a New FAQ Topic](/faq/how-to-add-new-faq-section)
* [Editing _Normal_ and _Floating_ Bookmarks](/faq/edit-bookmark-page-and-floating-bookmarks)
* [Using Dictionaries and Translators](/faq/dictionaries-translate-text-online-and-offline)
* [Delete and reset all Librera settings](/faq/delete-and-reset-all-librera-settings)
* [Theming Librera's UI](/faq/customize-theme-colors-links)
* [Configuring Fonts and Styles](/faq/customize-text-fonts-and-styles)
* [Custom CSS Coding](/faq/customize-book-css-styles)
* [Adding and Handling Custom Tags](/faq/custom-tags)
* [Creating a New TXT File for Notes, Quotes, etc.](/faq/create-new-book-or-file-txt)
* [Converting PDF to EPUB](/faq/convert-pdf-to-epub)
* [Contrast and Brightness in PDF  (Black/White Effect)](/faq/contrast-and-brightness-in-pdf)
* [Brightness Control and Bluelight Filter](/faq/brightness-control-and-blue-light-filter)
* [Working with Bookmarks in Extended Mode (Bookmarks Ribbon)](/faq/bookmarks-extended-panel)
* [Data Backup and Migration](/faq/backup-import-export-migration)
* [Annotating and Drawing in PDF Files](/faq/annotate-highlight-pdf)