Should I start with the tools page or a guide?
If you already know what you need to convert or validate, start with the tool. If you are still understanding the format or workflow, a guide gives better context first.
Explore media converters, developer utilities, and fast browser-based helpers in one organized directory.
This page is designed to help you decide, not just browse a grid. Use search and filters to jump to a tool quickly, but also use the surrounding guidance if you want to choose the right page for a real workflow.
Start with the problem you are solving, not the format name alone. If you are debugging an API, JSON Formatter, Base64, URL Encoder, and Timestamp Converter may all belong to the same workflow. If you are publishing content, Image Converter, Color Picker, and Markdown to HTML often fit together.
QR Code Generator
Updated and ready to useGenerate a QR code from text or a URL and download it as a PNG.
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Barcode Generator
Updated and ready to useGenerate CODE128 barcodes and download them as PNG or SVG.
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Hash Generator
Updated and ready to useGenerate SHA-256 and SHA-1 hashes from text using browser crypto.
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Base64 Encode / Decode
Updated and ready to useEncode text to Base64 or decode Base64 back to readable text.
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JSON Formatter + Validator
Updated and ready to useFormat, validate, and inspect JSON with readable errors.
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Password Generator
Updated and ready to useGenerate passwords with custom length and complexity options.
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Lorem Ipsum Generator
Dev ToolsGenerate placeholder text by paragraph, sentence, or word count.
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Time Converter
ConvertersConvert between milliseconds, seconds, minutes, hours, days, and weeks.
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Timestamp Converter
Updated and ready to useTranslate Unix, UTC, GMT, ISO, and local time formats quickly.
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Color Picker
Updated and ready to usePick a color and instantly get HEX, RGB, HSL, CMYK, and more.
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UUID Generator
Updated and ready to useGenerate one or many UUIDs instantly with copy controls.
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Audio Converter
Updated and ready to useConvert audio files online with a clean browser-based workflow.
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Video Converter
Updated and ready to useChange common video formats with a responsive browser workflow.
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Image Converter
Updated and ready to useConvert PNG, JPG, and WEBP files in seconds with preview and download.
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PDF Tools
Updated and ready to useHandle PDF, Word, Excel, PowerPoint, and TXT document conversion in one place.
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Unit Converter
Updated and ready to useConvert measurements, storage, volume, and temperature in one workspace.
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URL Encoder / Decoder
Dev ToolsEncode and decode URLs or query values instantly.
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Markdown to HTML
Updated and ready to useConvert Markdown to HTML with a live preview and raw HTML output.
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If you are comparing options or trying to understand a format before using a tool, these guides add useful context.
What Is a UUID and When Should You Use One?
Learn what UUIDs are, why developers use them, and when a browser-based UUID generator is useful for testing, APIs, and seed data.
How To Format JSON for API Debugging
A practical guide to reading, validating, and formatting JSON while debugging APIs, webhook payloads, and request bodies.
What Is Base64 and When Should You Use It?
Learn what Base64 encoding does, when it helps in developer workflows, and why encoded text should never be treated like encrypted data.
How To Create Strong Passwords Without Making Them Hard To Manage
A practical password guide covering length, entropy, symbols, passphrases, password managers, and why reuse is one of the biggest risks.
Hashing vs Encryption Explained for Developers and Everyday Users
Understand the difference between hashing and encryption, when SHA-256 helps, why SHA-1 and MD5 are legacy choices, and how hashes are used in real workflows.
How To Use QR Codes Safely and Effectively
Learn practical QR code uses, scanning best practices, print considerations, and safety checks before sharing codes with customers, teams, or students.
If you already know what you need to convert or validate, start with the tool. If you are still understanding the format or workflow, a guide gives better context first.
UUID Generator, JSON Formatter, Base64, URL Encoder, and Timestamp Converter are often the most useful for developers, QA, and support teams.
Yes. Many real jobs combine several pages, such as Markdown with HTML, colors and images, or JSON with Base64 and timestamps.