Blog
Guides, comparisons, and tips about working with files online. Everything from image compression to PDF merging to staying private on the web.
PDF vs Word: Which Format Should You Use?
PDF and Word (.docx) each have clear strengths. This guide explains when to use each, how to convert between them, and free online tools that help.
How to Convert WebP to JPG or PNG Online
WebP files aren't universally supported in all apps and editors. Here's how to convert WebP to JPG or PNG instantly, and when each format is the right choice.
How to Create a Favicon for Your Website (All Sizes)
Everything you need to know about favicons: required sizes, ICO vs PNG formats, how to add them to your HTML, and how to generate all sizes from a single image.
What Is Base64 Encoding and How Do You Use It?
A clear explanation of Base64 encoding: what it is, why it exists, common use cases in web development, and how to encode or decode strings and files online.
Image to PDF Converter — Free Online Tool
Convert JPG, PNG, or WebP images to PDF instantly. Covers single images, combining multiple images into one PDF, and quality considerations.
How to Crop an Image Online for Free
Quickly crop photos to exact dimensions or standard aspect ratios. Covers portrait vs landscape crops, social media sizes, and browser-based cropping.
How to Add a Watermark to an Image Online (Free)
Protect your photos and graphics by adding custom text watermarks. Learn watermark best practices and how to do it instantly in your browser.
How to Convert PNG to JPG Online for Free
Step-by-step guide to converting PNG images to JPG without losing quality. Covers when to use each format and the fastest free browser-based method.
Password Generator: Length, Symbols, and Memorability
How long should passwords be in 2026, and when to use passphrases vs random strings.
Regex Tester: Debug Patterns Safely
Test regular expressions on sample text without shipping data to a server.
Typing Speed (WPM): What Good Scores Look Like
Words per minute, accuracy, and how to practice with a browser-based test.
Extract a Color Palette From Any Image
Build cohesive designs by sampling dominant colors from photos and screenshots.
SHA-256 vs MD5: Hashing for Files and Strings
Checksums for downloads, deduplication, and why MD5 is outdated for security.
Why Developers Use JSON Formatters
Pretty-print, validate structure, and debug API responses quickly.
Resize Images for Instagram, Web, and Email
Aspect ratios, pixel dimensions, and batch resizing without Photoshop.
Browser-Based vs Cloud PDF Tools: A 2026 Guide
How processing location affects privacy, speed, and compliance for PDF workflows.
HTML to PDF: From Snippets to Invoices
Convert HTML or pasted markup to PDF for archiving, receipts, and documentation.
QR Scanner vs QR Generator: When You Need Each
Creating codes vs reading them from images or camera — typical workflows.
Number Base Converter: Decimal, Hex, Binary, Octal
Convert between bases for programming, debugging, and embedded systems.
CSS Minification for Faster Page Loads
Remove whitespace and comments from CSS bundles for production sites.
Audio Waveform Images for Podcasts and Video
Generate waveform PNGs for thumbnails, social clips, and show notes.
ASCII Art From Photos: Fun and Lightweight Graphics
Turn images into text art for terminals, README files, and creative projects.
UUID vs Nanoid: IDs for Apps and APIs
When to use standard UUIDs, URL-safe IDs, and how to generate them locally.
JWT Tokens Explained (For Developers)
Structure of JSON Web Tokens, why decode locally, and security caveats.
Should You Remove Metadata From PDFs and Images?
Author names, software versions, and EXIF data: what leaks and how to strip metadata.
Compress Images for Core Web Vitals and SEO
Why image weight affects LCP and how to compress images without hurting quality.
Free PDF Tools With No Sign-up: What to Look For
Avoid friction: PDF merge, split, and compress without accounts — and how to spot privacy-friendly sites.
How to Split a PDF and Extract Pages
Extract specific pages from a PDF for email or archiving: tools and best practices.
How to Merge PDF Files Online (Step by Step)
Combine multiple PDFs into one document: order, quality checks, and privacy-first tools.
What Is a QR Code and How Do You Create One Free?
QR codes explained: static vs dynamic, use cases, and how to generate a QR without installing apps.
JPG vs WEBP: Which Is Better for the Web?
Compare JPEG and WebP: quality, transparency, browser support, and when to convert images.
How to Compress a PDF on iPhone (Free, Private Options)
Shrink PDF file size on iPhone using Safari-friendly tools: what works offline, what to avoid, and privacy tips.
How to Compress Images Without Losing Quality
Learn practical techniques for reducing image file sizes while keeping them sharp and clear. Covers lossy vs lossless compression, format choices, and browser-based tools.
JPG vs PNG vs WebP: Which Image Format Should You Use?
A clear comparison of the three most common image formats. Learn when to use each one based on your content type, browser support, and quality needs.
How to Merge PDF Files Online for Free
Step-by-step guide to combining multiple PDF documents into one file. Covers free methods, privacy considerations, and the fastest browser-based approach.
Best Free Online File Tools in 2025
A curated list of the most useful free online tools for working with PDFs, images, videos, and other files. Focus on privacy, speed, and ease of use.
Why Browser-Based Tools Are More Private Than Cloud Alternatives
An explanation of how browser-based file processing works, why it is inherently more private than cloud-based tools, and what to look for when choosing online tools.