Privacy-First Browser Developer Tools

ToolsFam / Privacy-first browser tools

Browser-Based Developer Tools That Respect Your Workflow

Fast free tools for JSON, APIs, PDFs, images, SEO, encodings and web assets. Tools run locally where the browser can handle the job, avoiding unnecessary uploads and keeping daily developer work fast.

Runs locally where possibleNo unnecessary uploadsFast browser-native workflowsFree access
Flagship Tool

API Playground

Test REST APIs in seconds, inspect JSON responses, save workflows and understand proxy behavior without installing a desktop client.

Proxied requestsAuto chartsShareable URLs
Open API Playground
GETapi.example.com / 142ms
{
"status": "success"
"data": [1, 4, 9, 16]
}
New Featured Tool

Barcode Generator

Create scannable EAN-13, EAN-8 and Code 128 barcode SVGs with clean label styling and export-ready output.

5901234123457
Open Barcode Generator

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