Blog
Guides and tutorials on image conversion, file formats, developer tools and more.
How to Convert PDF to Image (PDF to JPG or PNG)
Turn PDF pages into pictures for a slide, a post or a preview. Here is how to convert PDF to JPG or PNG for free, one image per page, without any upload.
Read more →How to Make a Favicon From an Image (Free)
A favicon is the little icon in the browser tab. Here is how to turn a PNG or logo into a proper favicon.ico with multiple sizes — free and in your browser.
Read more →How to Resize an Image Without Losing Quality
Shrinking an image is nearly lossless; enlarging is not. Learn how resizing really affects quality, and how to get the sharpest result, free in your browser.
Read more →How to Rotate a PDF (Fix Sideways Pages)
Scanned or photographed a document sideways or upside down? Here is how to rotate PDF pages and save the fix for free — in your browser, without uploading.
Read more →How to Split a PDF (Extract the Pages You Need)
Pull specific pages out of a PDF or break a big document into parts — free and private, without uploading the file. Everything runs in your browser.
Read more →How to Merge PDF Files Without Uploading Them
Combine several PDFs into one file for free — reports, scans, invoices — without sending private documents to a server. It all runs in your browser.
Read more →Is MD5 Secure? What It's Still OK For — and What It Isn't
MD5 is broken for security but still useful as a checksum. Here's what MD5 can and can't safely do, and what to use instead for passwords and integrity.
Read more →How to Convert JSON to CSV and Excel (and Back)
JSON, CSV and Excel all hold tabular data but suit different tools. Here is how to convert between them cleanly — and how to do it privately in your browser.
Read more →Traditional vs Simplified Chinese: Differences and How to Convert
Traditional and Simplified Chinese differ in character shapes and vocabulary. Learn the real differences, the one-to-many traps, and how to convert them.
Read more →Title Case vs Sentence Case: Which to Use and When
Title case, sentence case, UPPERCASE, lowercase: what each style means, when to use it for headings and UI, and how to convert text in one click.
Read more →What Is a TIFF File (and How to Open One)?
TIFF is a high-quality format from scanning, printing and pro photography, but browsers cannot show it. Learn what it is and how to convert it to JPG or PNG.
Read more →Image Formats Explained: PNG, JPG, WebP, AVIF, SVG and More
A plain-English tour of the image formats you actually meet: PNG, JPG, WebP, AVIF, GIF, BMP and SVG. Learn what each is for and how to convert them free.
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