Guides
Short, practical articles to help you get the most out of your files.
How to Compress an Image Without Losing Much Quality
Shrink a photo's file size for email, a website, or an upload limit, with a clear look at what you give up and how to keep it looking good.
How to Convert a PDF to JPG or PNG
Turn PDF pages into image files you can post, drop into a slide, or text to someone, with a note on when to pick JPG and when to pick PNG.
How to Extract Text from an Image (OCR)
Pull the words out of a screenshot, a scan, or a photo of a page so you can copy and edit them, plus how to get the cleanest result.
How to Split a PDF into Separate Files
Break one PDF into several, pull out a single page, or save a page range as its own file, all in your browser with nothing uploaded.
How to Change Text Case (UPPERCASE, lowercase, Title Case)
Switch text between uppercase, lowercase, title case, and sentence case instantly, without retyping a thing.
How to Convert an Image to PDF
Turn JPG, PNG, or other images into a PDF in your browser, combine several photos into one PDF, and keep everything private.
How to Count Words and Characters in Your Text
Check word count, character count, and reading time instantly in your browser, plus when each one matters for essays, posts, and SEO.
How to Format and Validate JSON
Make messy JSON readable and catch errors fast, all in your browser. What 'pretty printing' means and how to fix the most common JSON mistakes.
How to Merge PDF Files for Free (Without Uploading Them)
Combine several PDFs into one file right in your browser. No signup, no watermark, and your files never leave your device.
How to Resize an Image Without Losing Quality
Change an image's dimensions the right way, plus when to resize versus compress, so your photos stay sharp and your files stay small.
What Is a WebP File (and How Do You Open or Convert It)?
WebP explained in plain English: why sites use it, how to open one, and how to convert WebP to JPG or PNG when something won't accept it.
What Is Base64 Encoding (and How to Encode or Decode It)?
Base64 explained in plain English: what it's for, why it isn't encryption, and how to encode or decode text and images in your browser.
How to Remove Metadata (and GPS Location) from Photos
Photos can quietly reveal where they were taken. Here's what EXIF metadata is and how to strip it before you share.
What Is a HEIC File (and How Do You Open One)?
Why your iPhone saves photos as HEIC, where those files cause trouble, and the easiest way to convert them to JPG or PNG.
How to Reduce PDF File Size (Without Losing Quality)
Practical ways to make a PDF smaller so it fits email limits and uploads faster, plus what actually drives PDF size in the first place.
PNG vs JPG vs WebP: Which Image Format Should You Use?
A plain-English guide to choosing between PNG, JPG, and WebP for the web, with simple rules for photos, logos, and page speed.