Simple tools that run instantly in your browser.
No login. No tracking. Just fast utilities.
Popular Tools
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Base64 Encoder / Decoder
Encode plain text to Base64 and decode Base64 safely for debugging and payload work.
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Byte & Character Counter
Count characters, words, lines, and UTF-8 bytes instantly in your browser without uploads.
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JSON Formatter / Validator
Format, validate, and minify JSON with clear parse errors and copy-ready output.
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Random Password Generator
Generate strong random passwords with configurable length and character set options.
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QR Code Generator
Generate downloadable QR codes for links, text, and Wi-Fi credentials fully client-side.
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px ↔ mm ↔ pt Converter
Convert pixels, millimeters, and points with DPI presets and custom print density.
Latest Guides
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Color Formats Explained
A practical overview of color formats used in design tools and frontend development.
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Best Image Sizes for Social Media
Plan social image dimensions to reduce automatic cropping and preserve composition.
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DPI for Print: 72 vs 150 vs 300
Understand when to use 72, 150, or 300 DPI for screens, drafts, and final print assets.
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Common Image Aspect Ratios
A practical list of common aspect ratios and where each one is typically used.
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Google Search Console Setup
Verify your domain via Cloudflare DNS and submit sitemap URLs for indexing visibility.
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HEX vs RGB vs HSL Colors
Compare HEX, RGB, and HSL color systems and choose the right format for your workflow.