Ultimate Tools Blog

Guide to converting PDF to images, Word and text. Format selection and quality settings.

6 min read - 2026-04-04

Complete overview of all PDF tools: merge, split, convert, protect and edit PDF files.

10 min read - 2026-04-03

Practical tips for PDF compression: image optimization, metadata removal, quality selection.

5 min read - 2026-04-02

Step-by-step guide to merging multiple PDFs into one document. Free, no registration, right in the browser.

7 min read - 2026-04-01

How to convert HTML/CSS code into a PNG or JPEG image directly in your browser.

5 min read - 2026-03-25

Protect your photos with a text watermark: customize font, size, opacity, and position.

6 min read - 2026-03-22

How to blur a photo for backgrounds, privacy protection, and design.

5 min read - 2026-03-20

Practical tips for increasing your keyboard typing speed.

5 min read - 2026-03-11

A complete guide to QR codes: history, how they work, types, and how to create your own QR code for free.

6 min read - 2026-03-11

How to accurately calculate age in years, months, days, and even seconds. Interesting facts about age counting.

5 min read - 2026-03-11

Hash functions explained in plain language: what MD5, SHA-1, and SHA-256 are, when to use them, and how to verify file integrity.

7 min read - 2026-03-11

A detailed guide to UUID: what versions v1–v5 mean, how to use UUID in databases and APIs, and why UUID v4 is the best choice for most tasks.

6 min read - 2026-03-11