Developer Tools for the Modern Web
A collection of free, privacy-focused tools for developers and creators. No ads, no tracking, just utility.
Popular Tools
View AllText Case Converter
Instantly convert any paragraph into upper case, lower case, sentence case, or title case for clean, consistent copy.
Word & Character Counter
Analyze any draft with live word, character, sentence, and paragraph counts for SEO, UX, and social copy.
Remove Line Breaks
Paste messy copy, strip line breaks, and generate clean single-line text for CMS fields, forms, or character-limited inputs.
Remove Duplicate Lines
Clean CSV exports, keyword lists, and QA logs by removing repeated lines in seconds—no spreadsheet formulas required.
Trim Whitespace
Normalize spacing by removing stray whitespace at the start or end of your copy—perfect for CMS fields, APIs, and QA fixes.
Slug Generator
Generate lowercase, hyphenated slugs that meet CMS and SEO requirements with zero manual editing.
Browse by Category
Text & Formatting Tools
Format, clean, and transform copy at production speed.
SEO & Marketing Tools
Plan, audit, and refine SEO assets faster.
URL & Website Tools
Tune query strings, redirects, and previews with confidence.
Social Media Tools
Give every tweet, thread, and caption a platform-perfect finish.
Image & Media Tools
Production-ready graphics without opening desktop suites.
Developer Tools
Ship API-ready payloads and debug tasks faster.
Data & Conversion Tools
Turn messy datasets into publish-ready formats instantly.
Date & Time Tools
Friendly time math for distributed teams.
Calculators
Trusted math helpers for operators and everyday users.
Random Generators
Entropy-rich tools for security, giveaways, and creative teams.
Why MiniToolStack? (And Why You Should Care)
Look, the internet is a mess. You need to convert a case, or maybe resize an image, and suddenly you're dodging pop-ups, declining cookies, and wondering if you just downloaded malware. It's exhausting.
That's why I built MiniToolStack.
It's not just another tool collection. It's a sanctuary. A quiet corner of the web where you can get stuff done without the noise. No ads screaming at you. No 'sign up to see your result' nonsense. Just tools. Working. Instantly.
Privacy Isn't a Feature, It's the Whole Point
Most online tools process your data on their servers. They see your text, your images, your messy code snippets. We don't. MiniToolStack runs entirely in your browser. Your data never leaves your device. It's like having a Swiss Army knife in your pocket—nobody else needs to know what you're cutting.
Speed That Actually Matters
We stripped away the bloat. No heavy frameworks loading in the background. No tracking scripts slowing you down. Whether you're on a high-end MacBook or a spotty 4G connection, these tools load fast. Because when you need a UUID, you need it now, not in three seconds.
For Developers, By Developers (And Marketers Too)
We know the pain of formatting JSON manually. We know the struggle of checking meta tags. That's why we curated this specific set of tools. It's the stuff we use every day. Text tools, SEO checkers, image converters—all in one place.
"So, bookmark us. Or don't. But next time you need to strip HTML tags or generate a secure password, remember there's a place that won't ask for your email address first."