jsonfmt.devPretty-print or minify JSON while preserving its structure and values.
Free web tool · anonymous API: 10 requests/minute · no account needed
Developer tools
CyberChef
Free optionOpen sourceLocalBrowser
Decode, transform and inspect data using reusable browser-based recipes.
What you can use it for
Decode, transform and inspect data using reusable browser-based recipes.
- Over 300 data operations: JSON/YAML/regex formatting, hash generation, Base64 encoding, timestamp parsing and JWT inspection run 100% client-side.
Workflow coverage and comparison notes
Perform developer data conversions, decoding, JSON inspection and formatting locally in your browser instead of a paid native utility toolkit.
Before you switch
Browser interface rather than native macOS menu bar hotkey utility. Does not intercept system clipboard automatically.
Alternatives to these paid apps
Each comparison covers the workflow described above, rather than every paid feature.
More for the same workflow
See alternatives →jsonfmt.dev
DevToysConvert JSON/YAML, encode Base64, calculate hashes and compare text offline.
Free open-source desktop utilities · Windows, macOS and Linux.