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Format JSON, convert JSON to CSV, encode and decode Base64, and generate QR codes with lightweight developer-focused tools.
Useful for developers, data analysts, QA teams, support engineers, and anyone working with structured text or encoded assets.
Choose the tool that fits the exact job you need to finish.
Encode files to Base64 text or decode Base64 back into binary bytes.
OpenFormat JSON with consistent indentation and line breaks.
OpenConvert a JSON array of flat objects into a CSV table.
OpenGenerate a QR code from text or a URL and preview it instantly.
OpenThe developer category is for the small repetitive jobs that slow debugging sessions down: cleaning payloads, reshaping records, turning bytes into text-safe strings, and generating quick machine-readable output.
Small data-cleanup tasks rarely justify opening a large desktop tool, yet they are common in logs, APIs, imports, and support tickets. Fast utilities reduce context switching when you only need one precise transformation.
They also help when you need output you can inspect directly in the browser instead of building a custom script for a one-off task.
Most developer utility tasks start with inspection. Make the data readable first, then convert or share it in the simplest format the next system expects.
These articles explain the tradeoffs and common decisions behind the tools in this category.