Browse ManaCoding tools. These pages are designed to be fast, mobile-friendly, and easy to navigate. Everything below runs client-side where possible, so most tools work instantly with no sign-up.
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One place for handy conversions and demo downloads.
ConvertersResize images and download instantly.
Images & MediaEncode/decode Base64 quickly.
ConvertersPick HEX/RGB values fast.
DesignMinify CSS to improve performance.
Developer ToolsFormat and validate JSON.
Formatters & ValidatorsRun SQL queries in-browser.
Developer ToolsMulti-language editor and runner.
Developer ToolsBetaDownloader UI (wire backend later).
Images & MediaWrite Markdown and preview the rendered output live.
Formatters & ValidatorsTest regular expressions against sample text with match highlighting.
Developer ToolsTurn text, links, or Wi-Fi credentials into a scannable QR code.
GeneratorsGenerate placeholder paragraphs, sentences, or word lists.
GeneratorsGenerate MD5, SHA-1, and SHA-256 hashes from text.
Developer ToolsEncode or decode URL components safely.
ConvertersConvert between Unix timestamps and human-readable dates.
ConvertersCompare two blocks of text and highlight the differences.
Developer ToolsCount words, characters, and estimated reading time.
Formatters & ValidatorsBuild CSS gradients visually and copy the code.
DesignNewConvert an image into a full set of favicon sizes.
Images & MediaGenerate strong, random passwords with custom rules.
GeneratorsConvert length, weight, temperature, and more.
ConvertersYes. Every tool on this page is free, with no account or sign-up required for standard use.
Most tools run entirely in your browser, so nothing is uploaded to a server unless a tool explicitly says otherwise (for example, tools that need server-side processing).
Absolutely. If there's a tool you'd like to see added, reach out through the contact page and we'll take a look.
Yes, every tool on this page is built to be mobile-friendly and responsive down to small screens.
Some tools rely on JavaScript for client-side processing. If a page seems stuck, try refreshing, disabling any aggressive ad blockers for this site, or checking back later if the tool is marked "Beta" and still being wired up.
Not yet for most tools. If you need programmatic access to a specific tool, let us know which one — that helps us prioritize which ones get an API first.
Use the row of pills above the grid (Converters, Formatters & Validators, Generators, Images & Media, Developer Tools, Design) or type a keyword into the search box — both update the list instantly without reloading the page.
This page provides a free tool with a simple UI. We are improving each tool with practical examples and clear guidance.