buncha.tools
JSON input

Pairs well with

JSON Formatter
Format and validate JSON data.
Base64 Encoder / Decoder
UTF-8-safe Base64 encode and decode. Handles emoji…
URL Encoder
Encode and decode URLs and special characters.
HTML to Text
Strip tags from HTML, decode entities, keep the wo…

About JSON to CSV

Convert between JSON and CSV formats.

Everything happens on your device. Close the tab and it's gone.
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Built browser-first. Run by one developer.
Every tool runs on your device. No tracking pixels, no sign-up to start. The numbers below are pulled live from the registry.
386
Free tools
Across 14 categories
7
Visual editors
PDF · image · video · audio
34
Curated kits
By profession + lifestyle
27
AI tools
Powered by Claude API
Files never uploadNo tracking pixelsNo sign-up neededWorks in any modern browser
The handful of AI tools (paraphrase, summarise, blog, captions, etc.) send your prompt text to Anthropic's Claude API to do the work. Files, images, PDFs and video never leave your device. Pick the tools that fit your privacy comfort.