All posts
tiff-to-pdf
convert
scanning
TIFF to PDF: Convert Multi-Page Scans and Faxes
Turn a multi-page TIFF from a scanner or fax into one PDF at the right page size, and pick the compression that keeps a fax small instead of six times bigger.
Oct 3, 20267 min read
pdf-to-grayscale
printing
black-and-white
Convert PDF to Grayscale or Black and White
Grayscale and black and white are different jobs. Which one your print job needs, what each does to charts and photos, and when not to convert at all.
Oct 3, 20267 min read
svg-to-pdf
convert
vector
SVG to PDF: Keep Vector Art Sharp for Print
Many SVG to PDF converters quietly turn your vector art into a picture. How to keep it vector, get the page size right, and avoid font surprises.
Oct 3, 20267 min read
pdf-brightness
scanned-pdf
contrast
How to Increase PDF Brightness Without Fading the Text
Turning up brightness on a dark scan makes the text fainter too. The brightness and contrast settings that fix it, with the math, before you print or submit.
Oct 2, 20267 min read
pdf-to-svg
convert
vector
PDF to SVG: How to Get Real Vectors, Not a Picture
Many PDF to SVG converters hand you a picture in an SVG wrapper. How to tell, how to pull out real vector paths, and how to make Cricut cut files.
Oct 2, 20268 min read
repair-pdf
corrupted-pdf
troubleshooting
How to Repair a Corrupted PDF That Won't Open
Why a PDF suddenly won't open, what a repair tool can actually rebuild, and the damage no tool can undo. Tested on nine broken files.
Oct 2, 20268 min read
scanner-effect
scanned-pdf
pdf-editing
How to Make a PDF Look Scanned (and When Not To)
A scanner effect makes a clean PDF look printed and scanned. What it changes, what it costs in file size, and when the honest move is a real scan.
Oct 1, 20267 min read
pdf-booklet
printing
imposition
How to Print a PDF as a Booklet That Folds Right
Why a booklet prints page 8 next to page 1, which duplex setting stops the back pages coming out upside down, and how to make a PDF booklet at home.
Oct 1, 20267 min read
txt-to-pdf
convert-to-pdf
text-files
TXT to PDF: Convert a Text File Without Wrecking It
A text file has no page size, font or margins, so a TXT to PDF converter picks them for you. Here are the picks that keep code, logs and tables intact.
Oct 1, 20268 min read
Browse the full archive
Every post on OxygenPDF — 106 in total.
- How to Add Letterhead to a PDF on Every Page
- How to Check Broken Links in a PDF (and Fix Them)
- How to Export PDF Highlights to Markdown or JSON
- Add Margins to a PDF for Notes in GoodNotes or Notability
- Add a QR Code to a PDF, or a Barcode on Every Page
- Make a Signature Transparent: Photo to PNG, No Box
- Add a Table of Contents to a PDF (and Bookmarks)
- Make Citations Clickable in a PDF Thesis or Paper
- Remove Blank Pages from a PDF After a Duplex Scan
- PDF Page Too Large? Fix the 200-Inch Acrobat Limit
- Print Passport Photos at Home at the Exact Size
- Print a Poster on Multiple Pages From Any PDF
- Change Text Color in a PDF Without Retyping It
- Print an ID Card Front and Back on One Page, True Size
- Split Scanned Pages in Half: One Book Spread, Two Pages
- Change PDF Background Color (and When It Can't Work)
- How to Check PDF Page Size in Points, Inches or mm
- Combine PDF Pages Into One Long Page, Free
- Convert Text to Outlines in a PDF (and Keep a Master)
- PSD to PDF: Share Photoshop Files Without Photoshop
- XPS to PDF: Convert XPS and OXPS Files Anywhere
- Digital Signature PDF: Sign With a Real Certificate
- DjVu to PDF: Convert Old Scanned Books and Papers
- MOBI to PDF: Convert DRM-Free Kindle Books
- CSV to PDF: Print a Wide Table That Stays Readable
- Extract Images From a PDF at Full Resolution
- PDF to TIFF: Which DPI and Compression to Pick
- TIFF to PDF: Convert Multi-Page Scans and Faxes
- Convert PDF to Grayscale or Black and White
- SVG to PDF: Keep Vector Art Sharp for Print
- How to Increase PDF Brightness Without Fading the Text
- PDF to SVG: How to Get Real Vectors, Not a Picture
- How to Repair a Corrupted PDF That Won't Open
- How to Make a PDF Look Scanned (and When Not To)
- How to Print a PDF as a Booklet That Folds Right
- TXT to PDF: Convert a Text File Without Wrecking It
- PDF to PowerPoint: Editable Slides or Exact Copies?
- How to Remove Metadata From a PDF (All of It)
- What Is PDF/A? 1b, 2b, 3b and PDF/A-4 Explained
- How to Convert PDF to CBZ for Kobo and KOReader
- PDF to Markdown for LLMs and RAG, Done Locally
- How to Save an Email as PDF With Its Attachments
- EPUB to PDF: Print and Mark Up Your DRM-Free Ebooks
- Convert PowerPoint to PDF, With or Without Office
- How to Password Protect a PDF Before You Email It
- How to Convert HEIC to PDF Without Uploading Your Photos
- Markdown to PDF Without Installing Pandoc or LaTeX
- How to Reverse PDF Page Order and Fix Backwards Scans
- How to Edit a Scanned PDF: Three Routes That Work
- Handwriting OCR: What Actually Reads Handwriting
- PDF Bates Numbering Without Acrobat Pro
- Blank PDF, Sample PDF, Dummy PDF: What You Actually Need
- Why Your PDF Is 38 MB, and What Compression Actually Does
- Best Free PDF Reader & Viewer (2026): 5 Options Compared
- Google Drive OCR Stops at Page 10 and Never Says So
- Make a PDF Searchable: Why Ctrl+F Finds Nothing
- The Honest Open Source PDF Editor Survey for 2026
- PDF to HTML: Why the Output Is a Pile of Divs
- PDF-XChange Editor Alternative: Free, No Watermark, Any OS
- Printable Calendar PDFs: Why Yours Prints Wrong
- Wondershare PDFelement Alternative: What It Sends Out
- Convert Excel to PDF Without Mangling Columns
- How to Remove Watermarks from a PDF Without Ruining It
- How to Speed Read a PDF: What RSVP Actually Buys You
- Print Multiple Pages Per Sheet Without Wrecking the Margins
- PDF Dark Mode: What It Fixes and What It Breaks
- How to Compare Two PDFs and Find Every Difference for Free
- How to Crop PDF Pages and Remove the Margins for Good
- How to Extract Pages from a PDF and Keep Only What You Need
- Printable Graph Paper: Why Your Squares Come Out Wrong
- College Ruled vs Wide Ruled: Which Paper You Need
- PDF Markup Software: What to Check Before You Subscribe
- PDF24 Alternative for Anyone Without a Windows PC
- A Free iLovePDF Alternative for the 15 MB OCR Wall
- Smallpdf Alternative for the Two-Conversions-a-Day Wall
- How to Add Page Numbers to a PDF Without Paying for Acrobat
- Scan to Text: Why Your Photo Reads as Garbage to OCR
- How to Rotate PDF Pages Without Uploading Anything
- How to Convert PDF to Excel Without Retyping Tables
- How to Annotate a PDF So Your Markup Survives Anywhere
- Adobe Acrobat OCR: Where It Hides and What It Costs
- Convert HTML to PDF in Your Browser, No Upload Needed
- OCR Text Recognition: How a Machine Reads Paper
- OCR a Scanned PDF: Make It Searchable and Verify It Worked
- How to Redact a PDF So the Text Is Really Gone for Good
- How to Save a Webpage as a PDF on Any Browser or Phone
- Flatten a PDF: What It Means and When You Need It
- How to Watermark a PDF Without Uploading It Anywhere
- Sejda PDF Editor Alternative for the 3-Tasks-Per-Hour Wall
- Foxit PhantomPDF Alternative That Skips the Watermark
- Online PDF Viewer That Skips the Sneaky Upload
- Adobe Acrobat Alternative: A Free Way to Edit a Simple PDF
- Free PDF Sign and Fill, No Account, No Email Capture
- How to Unlock a PDF Password Without Handing It to Strangers
- Word to PDF Converter That Never Uploads Your Files
- PDF to Word Conversion: What Really Happens to Your Document
- Why Local-First PDF Tools Matter for Privacy and Speed
- How to Convert a PDF to JPG Without the Blurry Mess
- How to Split PDF Pages Without Uploading Anything
- How to Convert JPG to PDF Without the Hidden Costs
- How to Compress a PDF Without Losing Quality — Free
- Free Online PDF Editing: Which Features Actually Work
- PDF to Text Converter: Why It Fails and How to Fix It
- How to Merge PDFs Without Uploading Them Anywhere
- Building PDF Tools with WebAssembly in the Browser
- Fillable PDF Forms Without the $240/Year Adobe Tax