PDF Guides
Short, practical guides for the PDF jobs people really do. Each one explains the steps, the limits and what to check before you send a file.
How to Merge PDF Files Without Uploading Them
Combine PDF files into one document right in your browser, with no upload. Steps, ordering tips and what to check before you send the file.
Edit PDFHow to Edit Text in a PDF Without Changing the Font
Why PDF text editing often changes the font, how to fix a word and keep the look, and what to do with scans. A free browser tool, explained.
Image to PDFHow to Turn Photos Into a PDF on Your Phone
Make one PDF from photos or screenshots on Android or iPhone, in the right order and the right way up. Free, private and no app to install.
Remove PagesHow to Delete Pages From a PDF
Remove blank, wrong or private pages from a PDF by clicking them. Learn when to delete pages and when to extract the ones you want instead.
Rotate PDFHow to Fix a Sideways or Upside-Down PDF
Why PDF pages end up sideways, why viewer rotation does not last, and how to rotate one page or all pages and save the change in the file.
PDF to ImagePDF to JPG Quality and File Size Explained
How sharp is a JPG made from a PDF page? Pixels, dpi, JPG versus PNG and which size you need for a website, a slide or a print.
Split PDFHow to Split a PDF by Page Range
Learn the page range format, how to extract pages into a new PDF, split every page into its own file, and what the ZIP download contains.
Word to PDFWord to PDF: What Changes and What Doesn't
What survives when a browser tool converts DOCX to PDF, what does not, and how to get the best result with or without Microsoft Word.
URL Encoder & DecoderURL Encoding Explained With Examples
What URL encoding is, with simple examples: encoded query strings, form bodies, spaces and plus signs, and how to decode a URL or put JSON and Base64 in one safely.
URL Encoder & DecoderURL Encoded Characters: %20, %22, %2B, %40
A plain list of URL encoded characters and their codes: space %20, double quote %22, percent %25, plus %2B, at sign %40, newline %0A, and why a dot is not encoded.
URL Encoder & DecoderURL Encode & Decode in JavaScript, PHP, Java
Copy-ready code to URL encode and decode in JavaScript, PHP, Java, Python, C#/.NET, Ruby, Rust and Dart (Flutter), with the difference between %20 and + explained.
URL Encoder & DecoderHow to Decode a Facebook, YouTube or Any Long Link
Why some Facebook and YouTube links look like a mess of %3A and %2F, how to decode them to see the real address, and what decoding does not tell you.
Resize Image Under 100KBHow to Reduce Image Size to 100KB
Reduce a photo to 100 KB (or 50, 30, 20 KB) on a phone or computer without uploading it. What makes files big, JPG vs PNG, and how to keep the picture clear.
Resize Image Under 100KBPhoto and Signature Size for Online Forms
How to prepare a passport-style photo and a signature for an online form: size in KB, width and height, background, and how to resize them without uploading.
Passport Size Photo MakerHow to Make a Passport Size Photo at Home (35x45 mm)
Make a 35x45 mm passport size photo at home with your phone: taking the photo, cropping the face, name and date, KB limits and printing 8 on a 4x6 sheet.
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