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PDF guides, answer first
58 guides, grouped by what you’re doing. Each one answers the question in its first paragraph, then walks you through it.
- Redact PDF
How to redact a PDF for free
How to redact a PDF free: why a black rectangle still leaks the words underneath, how real redaction removes them, and how to check your file before you send it. - Remove PDF Password
How to remove a PDF password without Adobe
Remove a PDF password without Adobe: what the two PDF passwords do, which one you need, and how to save an unlocked copy in your browser without uploading the file. - Remove PDF Metadata
How to remove metadata from a PDF
A PDF carries an author name, software, dates and hidden XMP data. See what yours holds, strip it in your browser, and check the result before the file leaves. - Flatten PDF
Flatten or redact? The difference that matters
Flattening makes a PDF final; redacting removes text from it. They solve different problems, and using the wrong one leaks data. Here is how to tell them apart. - Unlock PDF Restrictions
How to unlock a PDF for printing
A PDF that opens but will not print or copy carries permission flags, not encryption to break. What those flags are, and how to clear them from your own file. - PDF Privacy Scanner
Are online PDF tools safe?
Most PDF sites upload your file to their servers. What that means in practice, the questions worth asking, and how to check what a page sends before you trust it. - Password Protect PDF
How to send a PDF securely
Seven checks before a sensitive PDF leaves your device: encryption strength, the right password, hidden data, attachments, scripts and what the recipient can do. - Remove PDF Password
How to open an Aadhaar PDF and remove its password
The e-Aadhaar PDF password is the first four letters of your name in capitals plus your year of birth. How to open it, save a copy without the password, and share it safely. - Remove PDF Password
Bank statement PDF password: what it is and how to remove it
Why your bank statement PDF asks for a password, the formats banks build it from (date of birth, customer ID, part of your name or mobile number), and how to save a copy that opens without it. - Auto-Redact Personal Info
How to hide Aadhaar and PAN numbers in a PDF
Remove or mask Aadhaar and PAN numbers in a PDF before you share it: find every copy automatically, keep the last four digits if the recipient needs them, and check nothing is left in the text. Free, nothing uploaded. - PDF Checksum
How to prove a PDF hasn’t been changed
Prove a PDF hasn’t been modified since you sent it: take a SHA-256 checksum before it leaves, record the fingerprint somewhere else, and compare later. What a checksum proves, and what it can’t. Nothing uploaded. - Redact PDF
How to redact a PDF for HIPAA without uploading it
Redact patient names, record numbers and dates from a medical PDF for HIPAA without uploading it: the 18 Safe Harbor identifiers, what a black box misses, and why a tool that never receives the file matters.
- Merge PDF
How to merge PDF files for free
Combine PDFs into one file in the order you choose, keep the bookmarks, and fix a merged file whose pages ended up in the wrong sequence. Nothing is uploaded. - Split PDF
How to split a PDF and separate its pages
Split a PDF into separate pages, cut out a range, break it into parts under a size limit, cut scanned sheets in half or split at each chapter — free, in your browser, with how to pick the right way for the job. - Alternate & Mix PDFs
How to fix a double-sided scan
Scanned the fronts, then the backs, and got two files in the wrong order? Interleave them into one document in the right sequence, and fix upside-down pages. - Organize Pages
How to replace a page in a PDF, or insert pages between
Swap one page of a PDF for a corrected one, add another PDF in between two pages, or move pages around — free, in your browser, without Acrobat and without uploading either file. Bookmarks and quality explained. - Merge PDF
How to merge PDFs on a Mac (without fighting Preview)
Combine PDFs on a Mac without Preview’s sidebar tricks or a paid app. Step by step in Safari or Chrome, keeping bookmarks and page order, and saving one merged file. Nothing is uploaded. - Merge PDF
How to combine PDFs on Windows for free
Windows has no built-in PDF merge. Combine files in Edge or Chrome without installing anything, keeping bookmarks and page order — step by step, from picking the files to saving one PDF. Nothing uploaded. - Merge PDF
How to merge PDFs on an iPhone without an app
Combine PDFs on an iPhone in Safari, with no app to install and no subscription. Step by step with Files and iCloud Drive, from picking the PDFs to saving one merged file. Nothing is uploaded. - Merge PDF
How to merge PDFs on Android without installing an app
Combine PDFs on an Android phone in Chrome, with no app to install and no permissions to grant. Step by step, from picking the files to saving the merged PDF — files stay on the device, nothing uploaded. - Split PDF
How to split a PDF on a Mac
Split a PDF on a Mac three ways: drag pages out of Preview, print a page range to PDF, or split every page or range in Safari or Chrome. Which keeps bookmarks, and which is quickest. Nothing is uploaded. - Split PDF
How to split a PDF on an iPhone
Split a PDF on an iPhone or iPad without an app: separate every page, save a range as its own file, or pull out one page — in Safari, from the Files app, with no subscription. Nothing is uploaded. - Organize Pages
How to rearrange PDF pages on a Mac
Reorder, move, rotate and delete PDF pages on a Mac: the Preview sidebar method, its catches, and a browser page arranger that also mixes pages from several PDFs — free, with nothing uploaded. - Organize Pages
How to rearrange PDF pages on an iPhone
Move, reorder, rotate and delete PDF pages on an iPhone or iPad without an app: drag page tiles in Safari, pick from and save to the Files app, and fix a scan that came out in the wrong order. Nothing is uploaded. - Split PDF
How to split a PDF on Windows
Split a PDF on Windows 10 or 11 without Acrobat: save a page range with Microsoft Print to PDF, or split every page or range in Edge or Chrome and unzip the parts in File Explorer. Nothing is uploaded. - Split PDF
How to split a PDF on an Android phone
Split a PDF on an Android phone or tablet without an app: separate every page, save a page range as its own file, or pull out one page, in Chrome with the Files picker. No sign-up, nothing uploaded. - Organize Pages
How to rearrange PDF pages on Windows
Reorder, rotate and delete PDF pages on Windows 10 or 11 without Acrobat: what Edge and Microsoft Print to PDF can and can’t do, and a browser page arranger that mixes several PDFs. Nothing is uploaded. - Organize Pages
How to rearrange PDF pages on an Android phone
Move, reorder, rotate and delete PDF pages on an Android phone or tablet without an app: drag page tiles in Chrome, pick from Files or Drive, and fix a scan in the wrong order. Nothing is uploaded. - Resize PDF Pages
How to resize a scanned PDF without making it blurry
Change a scanned PDF to A4, Letter or any page size without blurring it: why resizing the page leaves the scan’s pixels untouched, when enlarging does soften it, and how to trim scanner margins first. Free, no upload. - Merge PDF
How to combine worksheets into one print file
Combine student worksheet PDFs into one file you can print in a single job: merge them in order, keep double-sided printing from running worksheets together, and fit two pages on a sheet to save paper. Free, no upload.
Compress
4- Compress PDF
How to compress a PDF without losing quality
What actually makes a PDF big, which parts can shrink without anyone noticing, and how to hit a size target while keeping text sharp and selectable — with the settings to use and what to check afterward. - Compress PDF
What to do when a PDF is too large to email
Gmail, Outlook and iCloud attachment limits, why a 24 MB file still bounces, and three ways to get a PDF through: compress it, split it, or zip and share it. - Compress PDF
PDF too big for ChatGPT, Claude or Gemini? Here’s what to do
The real upload limits for ChatGPT, Claude and Gemini, why a PDF well under them can still fail, and how to get it in: check its size and pages, compress the images or split it. Nothing is uploaded here. - Compress PDF
How to make a PDF smaller on Mac, iPhone, Windows, Android
Device by device: what macOS, iOS, Windows and Android have built in for shrinking a PDF, where each falls short, and the browser method that works the same everywhere and lets you set the size.
- PDF to Excel
How to convert a bank statement PDF to Excel
Turn a statement PDF into spreadsheet rows: columns detected from the layout, pages joined into one table, repeated headers dropped, and amounts that really sum. - PDF to Word
How to convert PDF to Word and keep the formatting
What survives a PDF to Word conversion, what cannot by design, and how to get an editable document with real paragraphs, headings and tables rather than a page full of text boxes. - Excel to PDF
How to convert Excel to PDF without cutting off columns or rows
Why spreadsheets lose columns or rows when saved as PDF, how fit-to-width solves it, and which Excel settings carry over: print areas, repeated headers, hidden rows.
- Images to PDF
How to turn JPG photos into a PDF, free
Turn phone photos and scans into one PDF without a watermark: page order, page size, orientation, and how to stop a 40 MB file of holiday-sized images before you send it. Free, in your browser. - Extract Images from PDF
How to extract images from a PDF
Pull the original photos and graphics out of a PDF at the quality they went in — not screenshots of pages — and know when rendering pages is the better answer. - PDF to JPG
What DPI should you use for PDF to JPG?
Choosing a resolution when turning PDF pages into images: what 150, 300 and 600 DPI mean in pixels and megabytes, which one a printer or a form needs, and when PNG beats JPG for text. - TIFF to PDF
How to convert a fax to PDF
Turn a received fax — the .tif file an eFax or fax-to-email service sends — into a PDF with every page, at its real paper size, ready to sign, forward or upload. Free, and the fax never leaves your device. - SVG to PDF
How to send a logo to a printer as a vector PDF
A printer asked for your logo “as a vector PDF”? Here is what that means, how to tell whether your file is vector at all, and how to turn an SVG logo into a print-ready vector PDF free, without uploading it.
- Bates Numbering
How to Bates number documents for a production
Bates numbering for a document production: choosing a prefix and padding, continuing the count across files, where the stamp goes and keeping an index — done free, without Acrobat. - Sign PDF
How to sign a PDF on your phone
Sign a PDF on an iPhone or Android phone without installing an app: draw your signature with a finger, place it on the page, and save the signed copy. Free, and nothing is uploaded. - Edit PDF
How to edit PDF text without changing the font
Why PDF text changes font when you edit it, and how to change a word in a resume, letter or invoice so it keeps the original font, size and position. What subset fonts are, and when a match isn’t possible. No upload. - Edit PDF
How to edit an NDA PDF without uploading it
Edit an NDA or contract PDF safely: change names, dates and terms in the same font, fill the blanks, sign and save it, all in your browser, so the agreement is never uploaded to a PDF website. Free, no sign-up. - Change PDF Background Color
The best background color for reading a PDF
Is white really the easiest background to read on? What dyslexia style guidance and reading research say about cream, peach and pastel backgrounds, when dark mode helps, and how to change a PDF’s background in a minute.
- Markdown to PDF
How to save a ChatGPT, Claude or Gemini chat as a PDF
Three ways to save an AI chat as a clean PDF: copy the reply and typeset it from Markdown, print the chat page, or export your whole history. What each one keeps, what it loses, and when to use it. - Markdown to PDF
How to convert a Markdown table to a clean PDF
Turn Markdown tables into a clean PDF with borders, aligned columns and header rows that repeat on every page. Wide tables, long tables and tables from ChatGPT or GitHub, converted in your browser with no login. - Markdown to PDF
How to convert code to a PDF with syntax highlighting
Turn code snippets, scripts and config files into a formatted PDF with syntax highlighting, line wrapping and selectable text, without installing an editor plugin. 36 languages, in your browser, nothing uploaded. - PDF to Markdown
How to move a PDF into Obsidian or Notion
Turn a PDF — a paper, a manual, lecture notes — into Markdown you can paste into Obsidian or Notion, with real headings, lists, tables and links instead of broken lines. Free, and the PDF is never uploaded.
- PDF to EPUB
How to send a PDF to a Kindle so it’s actually readable
Send to Kindle takes PDFs, but a fixed A4 page on a six-inch screen means tiny text. When to send the PDF as it is, when to convert it to EPUB first, and how to get it onto the Kindle by email or app. - PDF to Audio
How to have a PDF read aloud on iPhone, Android or Mac
Every phone and computer can read a PDF aloud with what is built in: Speak Screen on iPhone, Select to Speak on Android, Spoken Content on a Mac. Or listen in the browser and save the PDF as an MP3.
- Scan to PDF
How to scan a document to PDF on an iPhone or Android phone
Scan paper to PDF with the phone you already have: the scanner in iPhone’s Files and Notes apps, the one in Google Drive on Android, and a browser scanner that needs nothing installed. Free, no upload. - PDF to Handwriting
How to turn typed notes into handwriting for GoodNotes
Make typed notes look handwritten and use them in GoodNotes or Notability: pick a hand, an ink and a paper, save the PDF, import it, then write over it with your pencil like any other page. Free, no upload. - Scan to PDF
How to combine receipts into one PDF for an expense report
Turn a pile of paper receipts into one clean, numbered PDF for an expense claim: photograph them with your phone, order them by date, number the pages to match your claim lines and keep it small. Free, no app, no upload. - Handwriting to PDF
How to convert handwriting to text
Turn handwritten notes, letters or a notebook into typed text: photograph the pages, let a handwriting model read each line, fix any misreads, then save a typed or searchable PDF. Free, no upload.