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JSON Formatter & Validator
Validate, beautify, and minify JSON instantly. Real-time syntax errors with line/column, copy/download actions, and a clean static dev layout.
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Development
Web & Dev utilities
Developer-friendly utilities for shipping websites, storefronts, and technical workflows faster.
10 tools available
DEV
Pro Base64 Encoder & Decoder
Encode UTF-8 text to Base64, decode safely back to text, and convert PNG, JPG, SVG, or WebP uploads into live Data URI previews. Copy, download, or clear—all static layout, no auto-scroll.
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Pro Hash Generator & Verifier
Compute MD5, SHA-1, SHA-256, and SHA-512 from any text in your browser. Copy each digest, verify a pasted checksum with MATCH/MISMATCH feedback—static dev layout, no upload.
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Pro Multi-Code Minifier
Minify HTML, CSS, or JavaScript locally: strip comments and whitespace, preserve pre/code in HTML, shorten hex colors in CSS, and see byte-level savings instantly.
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Pro Robots.txt & Sitemap Generator
Build robots.txt with bot presets, Allow/Disallow paths, and sitemap references; generate sitemap XML with priority and changefreq. Copy or download locally—fully static.
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Pro URL Encoder & Decoder
Encode and decode with encodeURIComponent / decodeURIComponent, auto-detect direction, and batch multiple URLs per line—all local, side-by-side layout, with copy feedback.
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Pro WebP & Image Converter
Convert PNG, JPG, or BMP to WebP locally with a quality slider, live before/after previews, and KB savings—Canvas API only, no server uploads.
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Professional CSS Color Converter
Convert HEX, RGB, and HSL in real time, preview live, check WCAG contrast vs white and black text, and copy a CSS variable snippet—100% client-side.
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Secure Password & Secret Generator
Generate strong passwords with live entropy meter, bulk batches, and developer secrets (hex, alphanumeric, Base64). Runs only in your browser—copy with instant feedback.
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Smart Dummy Data Generator
Generate Lorem Ipsum (sentences, paragraphs, lists) or realistic fake names, emails, phones, and cities. Export as plain text, JSON, or CSV—1 to 50 rows, fully local in your browser.
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