Laying out the streets…STEP 1 OF 3

LocalOnly: toolkit for JSON & developers · Office #45,092

The privacy-first toolkit for JSON & developers - localonly

In the Quick developer utilities neighborhood (Developer). In town since 19 Oct 2026.

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What Tablif read on LocalOnly: toolkit for JSON & developers's site

LocalOnly: toolkit for JSON & developers describes itself as: “LocalOnly: toolkit for JSON & developers”

What it is

Calls itself “toolkit”.

  • Calls itself: toolkit
“…toolkit for JSON & developers”

Where it puts itself

Rules out “never transmitted, never logged and never stored”.

  • Says it will not: never transmitted, never logged and never stored
“There is no API route, no database and no server-side processing. This is a stronger guarantee than a privacy promise, because it is structural: there is no endpoint that could receive your payload even if we wanted one.”
“The content you process - the JSON, tokens, files and text you paste into a tool - is never transmitted, never logged and never stored.”

What it costs

A free tier, free forever.

  • Free plan: free forever
“37 free developer tools that run entirely in your browser”
“LocalOnly has no application backend.”

Who it sells to

Sells to developers. Made for QA engineers, SREs and backend and frontend engineers.

  • Sells to: developers
  • Made for: QA engineers · SREs · backend and frontend engineers
“The tools are aimed at people who handle other people's data as part of their job: backend and frontend engineers debugging API payloads, SREs reading production logs, QA engineers building fixtures, data engineers moving between JSON, CSV, YAML and XML, and security engineers inspecting tokens.”
“QA engineers building fixtures”

How it runs

A web app. Runs locally and works offline. Hosted in the cloud. No API. Built with Google Analytics.

  • Kind: web
  • Runs where: cloud / hosted · on the device, offline
  • API: no
  • Analytics: Google Analytics
“Installable as a PWA. After the first visit, every tool works without a connection.”
“The whole site is a static export - HTML, CSS and JavaScript files on a CDN.”

What it offers as proof

Live, no waitlist. Claims “37”. Try it without signing up. Publishes docs and a blog.

  • Number claimed: 37
  • Trial asks for: nothing
“LocalOnly has no application backend. The whole site is a static export - HTML, CSS and JavaScript files on a CDN. There is no API route to receive a payload”
“Every tool runs entirely in your browser.”

Sources

Tablif read these pages, last on 19 Oct 2026. Everything above is what the product says about itself; Tablif does not verify every claim.

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