Privacy-first tools for
developers and marketers.
Everything runs inside your browser sandbox — no uploads, no accounts, no servers. Your data never leaves your tab.
Everything runs inside your browser sandbox. No uploads. No accounts. No tracking.
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DATABASE_URL=████████████████████ STRIPE_SECRET_KEY=████████████████████ OPENAI_API_KEY=████████████████████ JWT_SECRET=████████████████████ NEXT_PUBLIC_APP_URL=https://myapp.com
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All Tools
Every tool runs 100% client-side. Pick a category or browse all.
16 free tools
.env Deep Sanitizer
Redact secrets from any config file instantly
Paste or drop your .env, .yaml, .json, or .ts file. API keys, tokens, and passwords are instantly redacted. Zero uploads. Zero servers.
AI Regex Generator
Plain English → production regex in seconds
Describe your pattern in plain English. Get back a production-ready regex, step-by-step explanation, and live token tester. JS, Python, PCRE, Go.
Schema.org JSON-LD Generator
Build valid structured data for Google rich results
FAQ, Product, Event, Organization, Article and more. Real-time split editor with client-side validator. Copy or download JSON-LD.
Cron Expression Explainer
Decode cron expressions and get platform-ready snippets
Paste a cron expression and get a plain-English explanation, the next 10 scheduled run times, and copy-paste snippets for GitHub Actions, Kubernetes, AWS EventBridge, and systemd.
JSON → TypeScript Converter
Generate TypeScript interfaces and Zod schemas from any JSON
Paste any JSON — API response, webhook payload, or config file — and instantly get a TypeScript interface, Zod validation schema, and Valibot schema. 100% client-side.
Webhook Payload Transformer
Transform any JSON webhook into CSV, SQL, or automation format
Paste a Stripe, GitHub, Shopify, or custom webhook payload and transform it into CSV, SQL INSERT statements, or automation mapping format. 100% client-side — zero uploads.
CSS Spinner Generator
Build animated loading spinners and export as CSS or React
Pick from 10 animated loading spinner styles — Ring, Dots, Wave Bars, Ripple, Flip, and more. Customize color, speed, size, and stroke weight, then copy the CSS or a ready-to-use React component.
OCR Privacy Redactor
Redact PII from scanned documents using local OCR
Upload a scanned document or screenshot. OCR runs locally in your browser (Tesseract.js WebAssembly), auto-detects emails, phone numbers, SSNs, credit cards, and more, then exports a redacted PNG — nothing ever leaves your device.
JWT Debugger
Decode, inspect, and verify JWT tokens client-side
Paste any JWT and instantly see the decoded header and payload, all standard claims, expiry status, and verify an HMAC-SHA256 signature with your secret — entirely in your browser. No tokens ever leave your device.
Base64 Encoder / Decoder
Encode or decode Base64 text and files instantly
Encode any text or binary file to Base64, or decode Base64 back to text or a downloadable file. Supports URL-safe Base64. All processing is 100% client-side — nothing is uploaded.
Schema Toolkit
JSON → TypeScript, Zod, JSON Schema, OpenAPI, Yup & Valibot
Paste any JSON and generate six schema formats simultaneously: TypeScript interfaces, Zod, JSON Schema Draft 7, OpenAPI 3.0 components, Yup, and Valibot. 100% client-side.
Cron Scheduler Toolkit
Visual cron builder + explainer with platform snippets
Build cron expressions field-by-field with a visual GUI, or paste an existing expression to decode it. Instantly get the plain-English explanation, next run times, and snippets for GitHub Actions, Kubernetes, AWS EventBridge, and systemd.
Color Palette Generator
Generate harmonious color palettes from any seed color
Pick a seed color and instantly generate complementary, analogous, triadic, tetradic, split-complementary, or monochromatic palettes. Includes a Tailwind-style 11-step shade scale. Export as CSS custom properties, Tailwind config, or JSON.
CSS Gradient Generator
Build linear, radial, and conic CSS gradients visually
Build linear, radial, and conic CSS gradients with a visual editor. Multiple color stops, angle control, and 12 presets. Export as CSS, Tailwind arbitrary value class, React inline style, or SCSS variable.
Email Signature Creator
HTML signatures for Gmail, Outlook & Apple Mail
Build client-safe HTML email signatures. 3 templates, brand colors, logo URL, one-click copy or HTML export.
OpenGraph Preview Tester
See how your link looks on LinkedIn, X, Slack & more
Preview link cards on LinkedIn, X, Slack, Discord, and Facebook. URL fetch or paste HTML. Detects missing OG tags with fix snippets.
Color Palette Generator
Generate harmonious color palettes from any seed color
Pick a seed color and instantly generate complementary, analogous, triadic, tetradic, split-complementary, or monochromatic palettes. Includes a Tailwind-style 11-step shade scale. Export as CSS custom properties, Tailwind config, or JSON.
CSS Gradient Generator
Build linear, radial, and conic CSS gradients visually
Build linear, radial, and conic CSS gradients with a visual editor. Multiple color stops, angle control, and 12 presets. Export as CSS, Tailwind arbitrary value class, React inline style, or SCSS variable.
Why developers switch to Aarunya
Other tools upload your secrets to their servers
Zero server — your data never leaves the browser tab
Regex generators send your patterns to APIs you don't control
AI Regex uses a transparent, auditable proxy — only your plain-English description is sent, never your data
Complex, expensive SaaS for tools you use 3× a month
Free forever for core tools. Pro is $6/month or $79 for 2 years, not $49.
Shared .env files exposing production credentials
.env Sanitizer produces a safe .env.example in seconds — 100% in your browser
How we compare
| Feature | Aarunya Apps | Typical Tool | Enterprise SaaS |
|---|---|---|---|
| Data stays in your browser | ✅ | ❌ | ❌ |
| No account required | ✅ | Sometimes | ❌ |
| Free forever (core tools) | ✅ | Ad-supported | ❌ |
| Privacy by architecture | ✅ | ❌ | Policy only |
| Instant results | ✅ | Server round-trip | Server round-trip |
| Cost | Free / $6 Pro | Free + ads | $50–$500/mo |
“I built Aarunya Apps because I was tired of tools that asked me to trust them with my secrets. So I built tools that technically can't misuse your data — because they never see it.”
— Aarunya Apps founder
Zero uploads
Your data never leaves your browser tab
No cookies
Cookie-free analytics (Cloudflare) only
GDPR & CCPA
Compliant by architecture, not by policy
Start free. Go Pro when you need it.
Core tools are free forever. Pro unlocks AI-powered features, unlimited usage, and saved history.
Free Forever
$0
- ✓ .env Sanitizer
- ✓ Schema Generator
- ✓ Email Signature
Most popular
Pro
$6/mo
- ✓ AI Regex (unlimited)
- ✓ OG Tester (unlimited)
- ✓ Saved outputs
- ✓ Priority support
Team
$20/mo
- ✓ Up to 5 seats
- ✓ Team-shared history
- ✓ Custom branding
- ✓ API access (coming)
30-day money-back guarantee · No questions asked