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Guides, tips, and tutorials to help you work smarter with your files.

PDF ToolsMay 28, 2025·5 min read

How to Reduce PDF File Size Without Losing Quality

Large PDFs slow down email delivery and eat up storage. Learn the best techniques for compressing PDFs while preserving text sharpness and image clarity.

Image ToolsMay 20, 2025·7 min read

WebP vs PNG vs JPG: Which Format Should You Use?

Choosing the right image format can cut your file sizes by up to 80%. We break down the differences between WebP, PNG, and JPG for every use case.

ProductivityMay 12, 2025·4 min read

5 Ways to Speed Up Your Document Workflow

From batch merging to instant OCR, discover how professionals use PDF150 to handle thousands of documents per month without switching between apps.

SecurityMay 5, 2025·6 min read

Is It Safe to Upload Documents to Online Tools?

Privacy concerns around online file tools are valid. Here is exactly how files are handled, what gets stored, and how to tell a safe tool from a risky one.

PDF ToolsJune 18, 2026·4 min read

How to Merge PDF Files Into One Document

Combining statements, contracts, or scanned pages into one PDF should take seconds. Here's how to merge files in the right order without any software.

PDF ToolsJune 15, 2026·4 min read

How to Split a PDF Into Separate Files or Pages

Need just a few pages out of a long PDF, or want to break one big file into chapters? Here's how to split a PDF exactly the way you need.

PDF ToolsJune 11, 2026·5 min read

How to Sign a PDF Electronically for Free

Stop printing, signing, and scanning. Here's how to add an electronic signature to a PDF in your browser — draw it, type it, or upload an image.

SecurityJune 8, 2026·5 min read

How to Password Protect a PDF

Sending a sensitive PDF? A password keeps it readable only to the people you choose. Here's how PDF protection works and how to do it right.

SecurityJune 4, 2026·4 min read

How to Remove a Password From a PDF

If you own a PDF and know its password, you can strip the protection so it opens freely. Here's how to unlock a PDF the right way.

ConversionMay 30, 2026·4 min read

How to Convert a PDF to JPG Images

Need a PDF page as an image for a slide, a website, or social media? Here's how to convert PDF to JPG at the resolution you actually need.

ConversionMay 26, 2026·4 min read

How to Convert JPG Images to a PDF

Turn photos of receipts, IDs, or whiteboards into one clean PDF. Here's how to convert JPG images to a PDF and arrange them exactly how you want.

PDF ToolsMay 22, 2026·3 min read

How to Rotate Pages in a PDF

Scanned a document sideways? Here's how to rotate PDF pages — one or all — and save the orientation so it opens correctly every time.

PDF ToolsMay 18, 2026·4 min read

How to Delete or Reorder Pages in a PDF

Got a blank page, a duplicate, or sections in the wrong order? Here's how to delete and reorder PDF pages to get a clean final document.

PDF ToolsMay 14, 2026·3 min read

How to Add Page Numbers to a PDF

A merged or scanned PDF often has no page numbers. Here's how to add them cleanly so a long document is easy to reference and navigate.

PDF ToolsMay 10, 2026·4 min read

How to Add a Watermark to a PDF

Stamp a document as Draft or Confidential, or add your brand to every page. Here's how to add a watermark to a PDF without ruining readability.

PDF ToolsMay 6, 2026·4 min read

How to Fill Out a PDF Form Without Printing

Forms don't need a printer anymore. Here's how to type directly into a PDF form, tick boxes, and sign it — all on screen.

PDF ToolsMay 2, 2026·4 min read

How to Highlight and Annotate a PDF

Reviewing a contract or studying a paper? Here's how to highlight text, add comments, and draw on a PDF, then save your marked-up copy.

PDF ToolsApril 28, 2026·4 min read

How to Extract Text and Images From a PDF

Need the text or pictures out of a PDF? Here's how to extract content cleanly — including from scanned pages that need OCR first.

ConversionApril 24, 2026·4 min read

How to Convert a PDF Table to Excel

Retyping a PDF table into a spreadsheet is a special kind of tedious. Here's how to get that data into an editable, calculable form instead.

ConversionApril 20, 2026·4 min read

How to Convert a Word Document to PDF

Sending a Word file risks broken formatting on the other end. Here's how to convert it to a PDF that looks identical everywhere.

PDF ToolsApril 16, 2026·5 min read

How to Edit a PDF Without Buying Software

Editing a PDF means different things — adding text, fixing pages, signing, annotating. Here's how to do each one without paying for software.

PDF ToolsApril 12, 2026·4 min read

How to Repair a Corrupted PDF File

A PDF that won't open is stressful, but often recoverable. Here's what causes corruption and how to try repairing the file.

Image ToolsApril 8, 2026·5 min read

How to Compress an Image Without Losing Quality

Big images slow down websites and bounce off email limits. Here's how to compress a photo dramatically while keeping it looking sharp.

Image ToolsApril 4, 2026·4 min read

How to Resize an Image to Exact Dimensions

Need an image at an exact size for an avatar, banner, or upload limit? Here's how to resize to precise dimensions without squashing it.

ConversionMarch 31, 2026·4 min read

How to Convert HEIC to JPG

iPhone photos save as HEIC, which plenty of websites and apps won't accept. Here's how to convert HEIC to JPG in seconds.

ConversionMarch 27, 2026·4 min read

How to Convert PNG to JPG (and When You Shouldn't)

PNG to JPG can slash a file's size, but you trade away transparency and some sharpness. Here's when it's worth it and how to do it.

Image ToolsMarch 23, 2026·4 min read

How to Remove the Background From an Image

Need a clean cut-out with a transparent background? Here's how background removal works and how to get sharp edges on product shots and portraits.

Image ToolsMarch 19, 2026·3 min read

How to Crop an Image the Right Way

Cropping is the fastest way to improve a photo. Here's how to crop for focus, hit social-media ratios, and use the rule of thirds.

Image ToolsMarch 15, 2026·4 min read

How to Upscale an Image and Make It Higher Resolution

A small image looks rough when you blow it up. Here's how upscaling adds resolution and detail — and what it realistically can and can't fix.

Image ToolsMarch 11, 2026·4 min read

How to Fix a Blurry or Low-Quality Photo

Not every blurry photo is beyond saving. Here's what kinds of softness you can fix, and how to sharpen and clean up an image.

Image ToolsMarch 7, 2026·4 min read

How to Make a Photo Collage

Turn a handful of photos into one polished layout. Here's how to choose a grid, arrange your shots, and export a collage that looks great.

ProductivityMarch 3, 2026·4 min read

How to Extract Text From an Image (OCR)

Stop retyping text from photos and screenshots. Here's how OCR turns an image of text into editable, copyable text — and how to get accurate results.

ProductivityFebruary 27, 2026·3 min read

How to Count Words and Characters in Text

Whether it's an essay minimum or a character limit, counting words and characters keeps your writing within bounds. Here's how and why it matters.

ProductivityFebruary 23, 2026·3 min read

How to Change Text Case (UPPERCASE, lowercase, Title Case)

Caps Lock left on? Title needs Title Case? Here's how to convert text between every case style instantly instead of retyping it.

Data ToolsFebruary 19, 2026·4 min read

How to Format and Validate JSON

Minified JSON is unreadable and a single typo breaks it. Here's how to format JSON for clarity, validate it, and find the exact error.

Data ToolsFebruary 15, 2026·4 min read

What Is Base64 Encoding and How to Use It

Base64 shows up in data URIs, APIs, and email attachments. Here's what it actually is, when you'd use it, and how to encode or decode text and files.

Data ToolsFebruary 11, 2026·4 min read

How to Open and Edit a CSV File

CSV files are everywhere in data exports, but opening one in the wrong app can mangle it. Here's how to view and edit a CSV safely.

Data ToolsFebruary 7, 2026·4 min read

How to View and Analyze an Excel File Online

No copy of Excel handy? Here's how to open an .xlsx file in your browser, switch between sheets, and even run quick analysis on it.

GeneratorsFebruary 3, 2026·4 min read

How to Create a QR Code for Free

QR codes link the physical and digital worlds in one scan. Here's how to create one that's reliable, customizable, and never expires.

GeneratorsJanuary 30, 2026·3 min read

How to Make a WiFi QR Code for Guests

Stop reading your WiFi password out loud. Here's how to make a QR code that connects guests to your network with a single scan.

GeneratorsJanuary 26, 2026·4 min read

How to Create a Favicon for Your Website

That little icon in the browser tab makes a site feel finished. Here's how to create a favicon in every size you need and add it to your website.

ProductivityJanuary 22, 2026·4 min read

How to Scan a Document With Your Phone Into a PDF

You don't need a scanner — your phone is one. Here's how to turn photos of documents into a clean, searchable PDF.

ProductivityJanuary 18, 2026·4 min read

How to Make a PDF Small Enough to Email

An oversized PDF that won't attach is a familiar headache. Here's how big is too big and the fastest ways to get a PDF under the limit.

ProductivityJanuary 14, 2026·5 min read

The Best Free PDF Tools (and How to Choose)

'Free' PDF tools range from genuinely useful to ad-choked traps. Here's how to tell them apart and pick the right one for each task.

ConversionJanuary 10, 2026·3 min read

How to Convert a PDF to PNG Images

When a PDF page is mostly text or sharp graphics, PNG keeps it crisp where JPG goes fuzzy. Here's how to convert PDF to PNG the right way.

Image ToolsJanuary 6, 2026·4 min read

How to Reduce a Photo's File Size for Upload

Upload forms love to reject photos for being too big. Here's how to get an image under a size limit without it looking terrible.

ConversionJanuary 2, 2026·3 min read

How to Convert WebP to JPG or PNG

WebP is great for the web but awkward in older software. Here's how to convert a WebP image to a universally compatible JPG or PNG.

SecurityDecember 29, 2025·5 min read

Are Electronic Signatures Legally Binding?

E-signatures are legally recognized for most everyday agreements — but not all. Here's what the law says and where the exceptions are.

SecurityDecember 25, 2025·5 min read

How to Share Large Files Safely

Big files break email and not every workaround is private. Here's how to share large files safely — and how to make them smaller first.

ProductivityDecember 21, 2025·4 min read

How to Convert a Scanned PDF Into Editable Text

Can't select the text in a scanned PDF? That's because it's an image. Here's how OCR turns a scan into editable, searchable content.

ConversionDecember 17, 2025·3 min read

How to Combine Multiple Images Into One PDF

A folder of images is awkward to share; one PDF isn't. Here's how to combine multiple photos or screenshots into a single ordered document.

Image ToolsDecember 13, 2025·4 min read

JPG vs PNG: What's the Difference and When to Use Each

JPG and PNG are the two formats you'll meet most — and using the wrong one costs you size or quality. Here's the difference, simply.

Image ToolsDecember 9, 2025·3 min read

How to Rotate and Straighten a Photo

A sideways phone photo or a tilted horizon is an easy fix. Here's the difference between rotating and straightening, and how to do each.

PDF ToolsDecember 5, 2025·3 min read

How to Crop the Margins of a PDF

Huge margins waste screen space and ink. Here's how to crop a PDF's pages to trim borders and whitespace without touching the content.

SecurityDecember 1, 2025·5 min read

How to Protect Documents Before You Share Them

Sending something sensitive? A few quick steps — passwords, watermarks, careful sharing — keep a document protected. Here's the checklist.

ProductivityNovember 27, 2025·4 min read

How to Make a PDF on Any Device

You can make a PDF from almost anything — photos, a Word file, scanned pages — on any device. Here are the simplest free routes.

More articles coming soon. Have a topic you want us to cover? Let us know.