📂 Files & Developer Utilities

Essential utilities for programmers, testers, and designers. Format JSON structures, generate unique UUIDs, scan and create QR codes, clean up source code syntax, and render barcodes.

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JSONifier

Format, validate, minify, and explore JSON data using an interactive collapsible tree explorer with automatic code repair features.

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UUID Generator

Generate unique identifiers (UUID v1, v4, v7) in bulk. Customize hyphens, uppercase casing, and surrounding braces.

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QR Generator

Generate high-quality customizable QR codes. Change foreground/background colors, embed center logos/emojis, and export as PNG images.

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QR Scanner

Scan and decode QR codes instantly using your device's camera stream or by uploading an image containing a QR code.

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Barcode

Create standard 1D barcodes in multiple formats (CODE128, EAN, UPC). Customize sizes and download as PNG or SVG vectors.

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Beautifier

Format, clean, and beautify your raw source code. Full support for HTML, CSS, JavaScript, SCSS, Less, and PHP markup.

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URL Encoder

Encode and decode URL strings using standard RFC 3986 percent-encoding. Convert special characters and toggle space formats.

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Favicon Generator

Generate standard multi-platform favicon packages. Crop custom images or create emojis/initial icons with shape frames locally.

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Robots.txt Generator

Generate SEO-optimized robots.txt files. Set user-agents, block bad bots or AI crawlers, and add custom paths easily.

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Screen Recorder

Record your desktop screen, windows, or browser tabs with microphone and system audio capture. Runs 100% locally.

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CSS Minifier

Compress and optimize your CSS stylesheets for faster web page load times.

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RGB / HEX Converter

Convert RGB/RGBA to HEX/HEXA color codes and vice versa. Includes visual color picker and harmony swatches.

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PDF Viewer

Open, view, and read PDF files online directly in your web browser. Includes page scaling, rotation, printing, and dark mode reading.

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Streamlining Everyday Developer Workflows

Developers, system administrators, and QA engineers frequently perform minor data transformations and testing routines daily. Copying and formatting raw payload logs, generating unique identifiers for databases, or creating barcodes and QR codes for scanning systems are tasks that require simple, fast, and accessible utilities.

Our Files & Developer Utilities category brings together essential data manipulators and encoders in one unified space. By running completely on the client-side within your browser, these tools eliminate latency and guarantee complete data confidentiality, ensuring sensitive API logs or database primary keys are never sent to external servers.

Frequently Asked Questions

Yes. All formatting, minification, tree rendering, and key-fixing operations happen directly inside your browser. No data leaves your machine, making it completely safe for secret config files or internal company logs.

We highly recommend using **UUID v7**. It encodes a Unix timestamp at its start, which makes the generated keys chronologically sorted. This layout maintains database index page sorting during inserts, leading to much faster performance than UUID v4 on large tables.