ABOUT SYLVAERA

Tools built for
developers, by developers

Sylvaera started with a single frustration: why is working with data still so painful? We built the tools we wished existed.

Our Mission

Making data work
effortless

Developers spend an embarrassing amount of time on repetitive data tasks — writing boilerplate SQL, cleaning messy CSVs by hand, hunting for JSON format errors, or manually masking sensitive fields before a demo. Hours gone. Every week.

Sylvaera exists to eliminate that friction. We build focused, free, AI-powered utilities that solve one data problem each — and solve it completely. No feature bloat. No paywalls. No account required. Just open the tool and get your answer in seconds.

We believe developer tools should be as fast as thought. If you have to wait more than a few seconds or click more than a few times, something is wrong with the tool — not you.

🛠️
8
Free tools, zero paywalls
🔒
0
Bytes of your data stored
20+
PII types detected
🌍
5
Data formats supported
What we stand for

Our principles

🆓
Radically Free

Every tool on Sylvaera is completely free. No freemium tier hiding useful features. No usage caps for standard developer work. No credit card ever required.

🔐
Privacy First

Your data never touches our servers longer than your session. All processing is in-memory and discarded immediately. We don't log, sell, or analyse your data — ever.

Speed as a Feature

Results in seconds, not minutes. Tools that need AI use it purposefully. Tools that don't — like our JSON Formatter and Format Converter — are instant, zero-latency utilities.

🎯
Focus Over Features

Each tool solves one problem completely rather than many problems halfway. We'd rather have eight excellent tools than one bloated Swiss-army knife.

🏗️
Built for Real Work

Every feature comes from a real pain point. SQL dialects developers actually use. PII types that actually appear in production data. Formats that teams actually exchange.

🌱
Always Improving

Sylvaera ships updates regularly based on user feedback. If a tool doesn't work for your workflow, tell us — we read every email and genuinely act on it.

What's inside

All 8 tools,
explained

🗄️
Schema to Dataset
Paste any SQL CREATE TABLE schema — get realistic, relationally consistent test data across all tables instantly. Understands foreign keys, constraints, and data types.
Try →
Prompt to Dataset
Describe your dataset in plain English. AI generates realistic structured data in seconds, supporting Indian, US and UK locales with follow-up refinement.
Try →
🔌
API Mock Generator
Paste an OpenAPI spec, GraphQL schema, or plain English description — get realistic mock API responses with errors, pagination and auth headers.
Try →
🗃️
SQL Query Generator
Describe what you want in plain English — get production-ready SQL for PostgreSQL, MySQL, T-SQL, SQLite and BigQuery immediately.
Try →
🧹
CSV / Data Cleaner
Upload any messy CSV or JSON — AI detects and fixes nulls, duplicates, type mismatches, inconsistent date formats and whitespace. Download clean data instantly.
Try →
🔐
PII Anonymizer
AI detects 20+ PII types — names, emails, Aadhaar, SSN, credit cards and more. Mask, fake or use placeholders per field. GDPR, HIPAA and India DPDP compliant.
Try →
🔄
Data Format Converter
Instantly convert between JSON, CSV, YAML, XML and Excel. Paste or upload, select formats, download — zero AI cost, pure instant conversion.
Try →
🛠️
JSON Formatter & Validator
Format, minify, validate and sort JSON instantly. Validation returns the exact line, column and plain English fix for every error. Zero AI cost — instant results.
Try →
The team

Built by a
developer, for developers

👨‍💻
Rekhu Chinnarathod
Founder & Developer

Sylvaera was built out of genuine frustration with the state of data tooling. Too many tools are overcomplicated, paywalled, or require creating yet another account just to format a JSON file. Every tool on Sylvaera is the one I wished existed when I needed it. If you have feedback, suggestions, or just want to say hi — my inbox is always open.

✉️ gopalrchinnarathod@gmail.com
Under the hood

How Sylvaera works

🤖
AI on AWS Bedrock

AI-powered tools run on AWS Bedrock — enterprise-grade infrastructure with no data logging. Your inputs are processed and immediately discarded.

Zero-AI Fast Tools

JSON Formatter and Format Converter use zero AI — they're pure client-side processing, which is why they respond in milliseconds with no latency.

🌍
Locale-Aware Data

Dataset generation supports Indian (Aadhaar, PAN, Indian names), US and UK locales — producing realistic data that actually fits your region.

Ready to try it for
yourself?

8 free tools. No account. Results in seconds.

Launch Sylvaera Free →