Quick guides to solve PDF, image and document problems
You arrived with a problem; here is how to solve it. Each guide explains the solution in a few steps and takes you to the ToolZen tool that runs it for free.
Short tutorials for a concrete file job —compress a PDF, merge documents, scan with your phone or prepare paperwork— and do it in one click with ToolZen tools.
Popular problems
How to compress a PDF for electronic filing
Get the file under the size cap the form actually states, then upload it without a size-rejection error.
Official filingsHow to merge both sides of an ID card into one PDF
Front and back of the ID card in a single file, ready to attach to any application.
DocumentsHow to convert a PDF to editable Word
Convert a PDF into an editable .docx and learn why the result is not always a perfect copy.
PDFHow to compress a PDF to send it via Gmail
Make the PDF light enough to attach to an email without always falling back to Drive.
ImagesPhoto for a public exam: how to match size and file weight
Put your photo in the dimensions and weight the call for applications actually asks for before you upload.
OCRHow to turn a photo into text
Turn the text in an image into a file you can copy and edit.
Official filings
How to compress a PDF for electronic filing
Get the file under the size cap the form actually states, then upload it without a size-rejection error.
Official filingsHow to merge both sides of an ID card into one PDF
Front and back of the ID card in a single file, ready to attach to any application.
Official filingsHow to prepare your documents for a public exam
A checklist so PDF and photo are in the format, order and weight the call for applications asks for.
Official filingsHow to prepare documents for a scholarship
A workflow to get PDFs and photos ready: format, weight, order, clear names and a final review. The rules of your scholarship decide.
How to compress a PDF to send it via Gmail
Make the PDF light enough to attach to an email without always falling back to Drive.
PDFHow to scan documents on your phone to PDF
Turn photos of your documents into a clean, ordered PDF, without installing apps.
PDFHow to reduce a PDF’s size without losing quality
Understand what makes a PDF so heavy, compress it with judgement, and pick the right variant for Gmail, a 2 MB cap, a phone or a filing portal.
PDFHow to combine several photos into one PDF
Turn a set of images into an ordered PDF, with one photo per page.
PDFHow to compress a PDF on your phone
Lighten a PDF from the phone, in the browser, taking into account how Android and iPhone store and pick files.
PDFHow to compress a PDF under 2 MB
Get your PDF under 2 MB with a concrete goal: compress, measure the result and only repeat if you have to.
PDFHow to shrink a PDF to upload it to a website
Get the PDF inside the limit the form, platform or document manager asks for before you upload.
PDFHow to split a PDF into several files
Cut a PDF into groups of pages and keep each part as its own file.
PDFHow to remove a page from a PDF
Delete specific sheets from a PDF and keep a clean document.
PDFHow to rotate a scanned PDF and save the change
Straighten a PDF that came out landscape or upside down and save the rotation permanently.
PDFHow to merge several PDFs into one
Combine several PDFs into a single ordered document, without installing anything.
PDFHow to convert a PNG to PDF
Turn PNG images into an ordered PDF, one per page.
PDFHow to protect a PDF with a password
Encrypt a PDF with a password you choose, without installing software.
PDFHow to convert a PDF to JPG
Rasterise every page of a PDF to JPEG so you can use them as images, not as an editable document.
PDFHow to remove a PDF password if you know it
Unlock a PDF with the password you already have. ToolZen does not guess or break unknown keys.
PDFHow to extract pages from a PDF
Save specific pages as a new PDF. The original document is not modified; this is not dropping loose sheets.
PDFHow to add a watermark to a PDF
Overlay a short text on every page to mark a draft, an internal document or a confidentiality notice.
PDFHow to save a PDF page as an image
Keep a single sheet as JPG: extract that page and convert it. This is not turning the whole document into a ZIP of images.
PDFThe PDF is too large to upload
A diagnostic flow: measure the file, understand why it is heavy, compress, check the result and try again.
Documents
How to convert a PDF to editable Word
Convert a PDF into an editable .docx and learn why the result is not always a perfect copy.
DocumentsConvert Word to PDF without the layout falling apart
Get a PDF that matches your Word file and avoid the usual font and margin surprises.
DocumentsHow to get your CV into a clean PDF for sending
A CV in PDF with a faithful layout, a light file and a professional filename.
Images
Photo for a public exam: how to match size and file weight
Put your photo in the dimensions and weight the call for applications actually asks for before you upload.
ImagesHow to compress an image to upload it to a website
Keep your photos light so the site loads quickly and does not reject them for size.
ImagesHow to shrink an image under 100 KB
Get a photo under 100 KB for forms with a very tight size cap.
ImagesHow to resize a photo
Adjust an image’s pixel dimensions while keeping the aspect ratio.
ImagesHow to convert an image to WebP
Convert your photos to WebP to lighten your site with almost no quality loss.
ImagesJPG vs PNG vs WebP: which to use and when
Understand the differences between the three formats and pick the right one for each case.
ImagesHow to crop a photo online
Keep only the part of the image you need, without installing anything.
ImagesHow to remove GPS location from a photo
Strip location metadata from an image before you send or publish it. This is not a forensic wipe of every trace.
ImagesHow to compress a photo for WhatsApp
Reduce a photo’s weight so it sends better, keeping reasonable quality. WhatsApp has no single universal cap published here.
OCR
How to turn a photo into text
Turn the text in an image into a file you can copy and edit.
OCRHow to extract text from a scanned invoice
Copy the data from an invoice image without typing it by hand.
OCRHow to extract text from a scanned document
Turn a scan into editable text instead of typing it again.
OCRHow to convert a scanned PDF to Word
Recover the text of a scanned PDF with OCR and take it to Word. The quality of the original sets the result.