Published Articles (32)
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Android Tools
How to Read an AndroidManifest.xml File
The manifest is the blueprint of every Android app. Learn how to read AndroidManifest.xml — activities, services, permissions, and intent filters — with confidence.
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Android Tools
How to Preview an Android Boot Animation Before Flashing
Rebooting your phone just to check an animation is slow and risky. Learn how to preview a bootanimation.zip in your browser so you catch problems before you flash.
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Developer Tools
What Is Lorem Ipsum and How to Use Placeholder Text
Lorem ipsum is the nonsense Latin every designer knows. Learn where it came from, why placeholder text is useful, and how to use it without hurting your workflow.
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Security Tools
What Is SHA-256 and How to Generate a Hash
SHA-256 secures passwords, verifies files, and underpins blockchains. Learn what a cryptographic hash is, what SHA-256 guarantees, and how to generate one.
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Android Tools
How to Create an Android Boot Animation From a Video
Have a short video clip you love? Turn it into a custom Android startup animation. Here is how video-to-boot conversion works and how to get a clean, smooth result.
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Developer Tools
Unix Timestamps Explained and How to Convert Them
That big number in your logs and APIs is a Unix timestamp. Learn what epoch time is, why developers use it, and how to convert between timestamps and dates.
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Developer Tools
URL Encoding Explained: When and How to Encode URLs
Spaces, ampersands, and special characters can break a URL. Learn what URL encoding does, when you need it, and how to encode query parameters correctly.
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Developer Tools
What Is a UUID and When Should You Use One?
UUIDs are everywhere in modern software as unique identifiers. Learn what they are, how they guarantee uniqueness, and when to use them instead of sequential IDs.
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Developer Tools
What Is Base64 Encoding and When Should You Use It?
Base64 shows up in emails, data URIs, and APIs — but what is it actually doing? Here is a clear explanation of Base64 encoding, its uses, and its limits.
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Developer Tools
How to Minify CSS to Speed Up Your Website
Minifying CSS is one of the simplest performance wins available. Learn what minification removes, how much you save, and how to fit it into your workflow.
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Developer Tools
How to Test Regular Expressions (Regex) the Easy Way
Regular expressions are powerful but easy to get wrong. Learn the core syntax, how to test patterns safely, and the mistakes that trip up even experienced developers.
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Android Tools
How to Turn Any GIF Into an Android Boot Animation
Want your phone to greet you with a custom animation at startup? Here is how to convert any GIF into a ready-to-flash Android bootanimation.zip the right way.
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Developer Tools
How to Validate JSON and Fix Common Errors
A single misplaced comma can make an entire JSON payload invalid. Learn how JSON validation works, the errors that cause 90% of failures, and how to fix them fast.
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Developer Tools
HTML Entities Explained: Encode Special Characters Safely
Why does < turn into < and why does it matter for security? Learn what HTML entities are, when to encode, and how they protect your pages from breaking or XSS.
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Image Tools
JPG vs PNG vs WebP: Which Image Format Should You Choose?
JPG, PNG, and WebP each win in different situations. This plain-English comparison helps you pick the right format every time — for the web, print, or sharing.
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Developer Tools
Markdown Basics: Write and Preview Markdown Online
Markdown lets you format text with a few simple symbols instead of fiddly toolbars. Learn the core syntax and how to preview it live as you write.
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Image Tools
How to Reduce Image Size Without Losing Quality
Heavy images slow down websites and clog inboxes. Learn how image compression works and how to make files far smaller while keeping them looking crisp.
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Developer Tools
Text Case Explained: camelCase, snake_case, and More
camelCase, snake_case, kebab-case, PascalCase — programming is full of naming styles. Learn what each one is, where it is used, and how to convert between them.
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Design & Color
Understanding HEX, RGB, and HSL Colors
HEX, RGB, and HSL all describe the same colors in different ways. Understand what each one means, when to use it, and how to convert between them with confidence.
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Video Tools
How to Convert Video to GIF (The Right Way)
GIFs are perfect for short, silent, looping clips. Learn how to convert video to GIF with the right length, frame rate, and size so it looks great and stays small.
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Developer Tools
How to Count Words, Characters, and Reading Time
Word and character counts drive everything from tweets to meta descriptions to essays. Learn why they matter, how reading time is calculated, and how to track them.
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Developer Tools
How to Create Professional QR Codes
QR codes connect the physical and digital worlds in one scan. Learn how they work, how to make ones that reliably scan, and where they add real value.
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Developer Tools
How to Format and Validate JSON (A Developer's Guide)
JSON is everywhere in modern development, and a single misplaced comma can break everything. Learn to format, validate, and debug JSON quickly and reliably.
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Security Tools
How to Generate Strong, Secure Passwords
Weak passwords are still the top cause of account breaches. Learn what actually makes a password strong and how to generate and manage passwords the right way.
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PDF Tools
How to Merge PDF Files Online Securely
Combining multiple PDFs into one clean document should be simple and private. Here is how to merge PDFs correctly, control page order, and do it without uploading anything.
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PDF Tools
How to Split Large PDF Files
Need just a few pages from a giant PDF, or want to break a report into sections? Here is how to split PDF files cleanly by page range, count, or individual pages.
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PDF Tools
How to Convert PDF to Editable Word Documents
Turning a locked-down PDF back into an editable Word file is easier than retyping it. Here is how conversion works, when it shines, and how to get the cleanest result.
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PDF Tools
The Best Way to Convert Word to PDF
Sharing a Word file risks broken fonts and shifted layouts on other devices. Converting to PDF locks everything in place. Here is how to do it right, every time.
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Android Tools
Essential ADB Commands Every Android User Should Know
ADB unlocks powerful control over your Android device from a computer. Here are the essential commands for installing apps, capturing screens, debugging, and more.
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Android Tools
How to Check an APK's Version, Package Name & Permissions
Before you install or share an APK, it pays to know exactly what is inside it. Here is how to read an APK's version, package name, SDK levels, and permissions.
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Developer Tools
How to Compare Two Texts and Find Differences
Spotting what changed between two versions of text by eye is slow and error-prone. Learn how diff tools work and how to compare documents, code, and data reliably.
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PDF Tools
How to Compress PDF Files Without Losing Quality
Large PDFs bouncing back from email? Learn how PDF compression actually works and how to shrink files dramatically while keeping text sharp and images clean.