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Privacy-First • Zero Trackers • Air-Gap Ready

Enterprise-Grade
Developer Tools

High-fidelity developer utilities built to enterprise standards. Privacy-native and local-first, providing a secure workspace with zero telemetry and total accessibility.

Explore 83 ToolsView on GitHub
83+
Tools
100%
Local-First
0
Trackers
Why Enterprises Choose Us

Built for Production Workloads

Trusted by teams who can't afford downtime, data leaks, or slow tools.

Zero Data Leakage

All processing happens in-browser. No servers, no logs, no telemetry. Perfect for air-gapped environments and secure workstations.

Sub-50ms Response

Optimized for speed. Fuzzy search, real-time formatting, and instant validation. No loading spinners, ever.

Security Compliant

SOC 2 friendly. No external dependencies, no CDN calls. Self-hostable with Docker. Full audit trail available.

Keyboard-First UX

Built for power users. ⌘K search, arrow navigation, shortcuts for every action. 60% faster than mouse-based workflows.

Accessible by Default

Screen reader tested. Full keyboard navigation. High contrast mode. Built with Radix UI primitives.

MIT Licensed

Fully open-source. Fork it, customize it, self-host it. No vendor lock-in. Contribute back or keep it private.

Most Used

Popular Tools

Production-tested by thousands of engineers

API ClientProfessional API testing and development tool - like Postman, but self-hosted and offline-first
JSON FormatterFormat and beautify JSON with proper indentation
Log Parser PlaygroundAdvanced log parser with structured parsing, statistical analysis, anomaly detection, and correlation analysis. Supports NGINX, Apache, JSON, Syslog, and custom regex formats with real-time pattern recognition, automated insights, and enterprise-grade log analysis capabilities.
Responsive TesterPreview websites across multiple device sizes simultaneously. Test responsive designs with real-time multi-viewport preview.
DNS AnalysisComprehensive DNS analysis for a domain - A, AAAA, MX, TXT, CNAME, NS, and SOA records
Rate-limit & Backoff CalculatorCompute retry schedules (exponential/jitter), budgets per window, and visualize backoff strategies.
JSON StudioAll-in-one JSON toolkit with format, validate, fix, sort, query, schema, and search capabilities
Data Diff ToolCompare JSON and text data with forensic precision. Features dual-mode comparison (simple line-by-line or advanced character-level), structural JSON diff, and color-coded visualization. Perfect for debugging API responses, validating data migrations, and detecting configuration drift.
UUID GeneratorGenerate a random UUID v4
Complete Toolkit

Browse All 83 Tools

Organized into 10 categories for quick discovery. From JSON formatting to DNS analysis, we've got you covered.

🌐

API Client

1 tool available

1
API Client
🌍

DNS Tools

7 tools available

7
DNS AnalysisMX LookupSOA LookupReverse DNS LookupName Server LookupDNS TraversalNamespace Server Delegation
🧪

Testing

1 tool available

1
Responsive Tester
🔧

Workbenches

3 tools available

3
Rate-limit & Backoff CalculatorOpenAPI/gRPC WorkbenchTest API
📝

Parsers

2 tools available

2
SQL EXPLAIN ParserLog Parser Playground
✨

Formatters

12 tools available

12
JSON FormatterXML FormatterSQL FormatterHTML FormatterJSON MinifierCSS MinifierCSS BeautifierJavaScript MinifierJSON SorterJSON FixerJSON QueryJSON Studio
✓

Validators

4 tools available

4
JSON ValidatorXML ValidatorSQL LinterData Diff Tool
🔐

Encoders

14 tools available

14
URL Encoder/DecoderBase64 EncoderBase64 DecoderHTML EscapeHTML UnescapeXML EscapeXML UnescapeJSON EscapeCSV EscapeReverse StringRemove WhitespaceUppercaseLowercaseTitle Case
⚡

Generators

5 tools available

5
MD5 Hash GeneratorSHA-256 Hash GeneratorSHA-512 Hash GeneratorUUID GeneratorJSON Schema Generator
🔄

Converters

34 tools available

34
JWT DecoderEpoch Timestamp to DateDate to Epoch TimestampString to LinesJSON to CSVYAML to JSONJSON to YAMLJSON to TypeScriptJSON to Go StructJSON to Zod SchemaXML to JSONTOML to JSONJSON to TOMLMarkdown to HTMLHTML to JSXCSV to JSONJSON to JavaJSON to C#JSON to SQLForm Data to JSONJSON to JSON SchemaTypeScript to ZodJSON to ValibotJSON to YupJSON to TypeBoxJSON to KotlinJSON to DartJSON to RustJSX to TSXJSON to SwiftTypeScript to GraphQLCSS to TailwindJSON5 to JSONJSON to GraphQL
Formatters
Beautify & minify code
Converters
Transform between formats
Validators
Verify data integrity
Generators
Create test data

Designed for Extended Daily Use

5-6h
Daily Usage
<50ms
Response Time
100%
Keyboard Nav
Dark
Mode First

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Open source • MIT Licensed • Self-hostable