How to Format and Validate JSON Without Exposing Private Data
Pretty-print, validate and minify JSON locally, understand common syntax errors and avoid pasting API keys, tokens or customer data into an online server.
Developer guides
Browser utilities, web formats and technical workflows.
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How to Resize Images Without Making Them Blurry or Distorted
Choose the right pixel dimensions, preserve aspect ratio, understand upscaling limits and export a sharp image for websites, documents or social posts.
How to Compress Images Without Losing Quality
Learn why images become large, what compression removes, and which settings reduce file size without causing visible quality loss.
Which Image Format Should I Use? A Decision Guide
You have a specific file and a specific place it needs to go. This is the format to convert it to, and why — with the converter for each case.
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What this Developer section covers
Browser utilities, web formats and technical workflows. This archive is kept focused so readers can move from a broad topic to a specific tool, setting or workflow without landing on a thin tag page.
Each article is written to answer a practical question: what to use, which setting matters, what the limits are, and how to avoid wasting time or damaging a file.
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