ToolPix Blog
Tips, guides, and tutorials about image editing, PDF processing, and web development tools. Learn how to optimize your workflow.
How to Convert Images to PDF — Complete Guide
Need to turn photos or scans into a PDF document? Learn how to convert single or multiple images to PDF with proper page sizing, quality settings, and organization — all for free in your browser.
How to Rotate, Watermark, and Create Screenshot Mockups — A Complete Guide
Protect your creative work and present it professionally. This guide covers image rotation and flipping, adding text and image watermarks, and wrapping screenshots in device mockups — all processed client-side for complete privacy.
JWT Tokens Explained: How to Decode, Verify, and Debug JSON Web Tokens
JSON Web Tokens are the backbone of modern authentication. This guide breaks down JWT structure, explains signing algorithms, covers common security mistakes, and shows you how to decode and inspect tokens safely.
Essential Developer Tools for Web Development: JSON, CSV, UUIDs, and Timestamps
Every web developer needs quick access to data conversion and generation tools. This guide covers JSON-to-CSV conversion, CSV-to-JSON parsing, UUID generation, and Unix timestamp conversion — all available free in your browser.
Cron Expressions: A Complete Guide to Scheduling Tasks Like a Pro
Cron expressions are the scheduling language of the server world. This comprehensive guide teaches you the five-field syntax, walks through real-world scheduling examples, and covers how to combine cron with regex for advanced automation.
SQL Formatting, Code Diff, and HTML Minification: Best Practices for Code Quality
Clean code is not just about logic — it is about readability, consistency, and performance. This guide covers SQL formatting standards, effective code comparison workflows, and HTML minification strategies.
Mortgage and Loan Calculator Guide: Understand Your Monthly Payments
Whether you are buying your first home or refinancing an existing loan, understanding how monthly payments are calculated is essential. This guide breaks down mortgage math, amortization, interest rates, and provides practical tips for smarter borrowing.
Compound Interest, ETF Dividends, and Crypto Profit: Investment Calculator Guide
Compound interest is the most powerful force in personal finance. This guide explains how compounding works across different investment types — savings accounts, ETFs with dividend reinvestment, and cryptocurrency — and provides calculators to model your growth.
YouTube Earnings, AdSense Revenue, and Salary Tax: A Calculator Guide
Content creators need to understand their revenue streams. This guide explains YouTube monetization mechanics, AdSense revenue calculation, and salary tax estimation — with free tools to model your earnings and take-home pay.
How to Create QR Codes for Free — Complete Guide
QR codes bridge the physical and digital worlds. Learn everything about creating QR codes — types, error correction levels, sizing for print, design tips, and common use cases.
Base64 Encoding: What It Is and When to Use It
Base64 encoding converts binary data to text characters, enabling binary content to travel through text-only channels. Learn how it works, when to use it, and when to avoid it.
CSS Gradients: Complete Guide with Examples
CSS gradients add depth, dimension, and visual appeal to web designs without image files. Master linear, radial, and conic gradients with this complete guide — including syntax, best practices, and code examples.
How to Create Animated GIFs from Images — Step by Step
Animated GIFs remain one of the most engaging content formats on the web. Learn how to create them from image sequences, optimize file size, and choose the right settings for your use case.
EXIF Data Explained: What It Is and Why You Should Remove It
Every photo you take contains hidden metadata — camera model, GPS coordinates, timestamp, and more. Learn what EXIF data reveals about you and how to remove it to protect your privacy.
Social Media Image Sizes 2026: Complete Resize Guide
Every social media platform has different image size requirements. Upload the wrong dimensions and your images get cropped, stretched, or blurred. This guide covers every platform and placement for 2026.
Image Optimization for Web: Complete Performance Guide
Images are the biggest performance bottleneck on most websites. This comprehensive guide covers everything from Core Web Vitals impact to responsive images, lazy loading, and modern format selection.
How to Merge PDF Files Online — Fast & Free
Need to combine multiple PDF files into a single document? Learn how to merge PDFs online for free — directly in your browser with no file uploads, no registration, and no software to install.
How to Remove Image Background Online for Free
Need a transparent background for your product photo, profile picture, or design project? Learn how to remove image backgrounds online for free — no software installation required.
PNG vs JPG vs WebP: Complete Image Format Guide
Choosing the right image format can reduce file sizes by 80% or improve visual quality dramatically. This comprehensive guide compares PNG, JPG, and WebP to help you pick the perfect format for every use case.
How to Compress Images Without Losing Quality in 2026
Large image files slow down websites, waste storage, and frustrate users. Learn the science behind image compression and discover practical techniques to shrink files by 70%+ while keeping them visually perfect.