CodeBeautify Alternative: 105 Tools That Never See Your Data

In November 2025, CodeBeautify and JSONFormatter were caught storing over 5 GB of user submissions on their servers — including AWS keys, database passwords, and Stripe secrets. If you're looking for a CodeBeautify alternative that actually respects your data, DevBolt offers 105 developer tools that run entirely in your browser. Nothing is ever sent to a server.

Why Developers Are Leaving CodeBeautify

The 2025 data leak wasn't a hack. CodeBeautify and JSONFormatter were architecturally designed to send your data to their servers for processing. That server stored everything. For years, 80,000+ submissions containing credentials sat in publicly accessible storage — AWS access keys, Stripe API keys, database connection strings, even bank account details.

The problem isn't unique to CodeBeautify. Any tool that processes data server-side can store, log, or leak your input. The only way to guarantee safety is to use tools that never see your data in the first place — tools that run entirely in your browser.

DevBolt vs CodeBeautify: What's Different

How to Verify a Tool Is Client-Side

Don't take our word for it. You can verify any tool's architecture in 30 seconds:

1. Open DevTools (F12) → Network tab
2. Clear all entries
3. Paste test data into the tool and click "Format" / "Convert" / "Generate"
4. Check the Network tab

✅ Zero requests = client-side (your data stayed local)
❌ POST requests to an API = server-side (your data was sent somewhere)

Try this on DevBolt, then try it on CodeBeautify. The difference is immediately visible.

All 105 Tools — Organized by Category

Every tool below runs entirely in your browser. No accounts, no data collection, no server processing.

Tools CodeBeautify Doesn't Have

Beyond matching CodeBeautify's core formatters and converters, DevBolt covers categories that CodeBeautify doesn't touch:

• Security scanning — AI Code Security Scanner detects hardcoded secrets, injection, XSS, SSRF, and 25 other vulnerability patterns
• TypeScript tooling — tsconfig builder, TS 6.0 migration checker, TS-to-JS converter, GraphQL/OpenAPI/SQL to TypeScript converters
• CSS visual builders — Flexbox, Grid, animations, gradients, shadows, and border radius — all with live preview and copy-ready output
• DevOps validators — Dockerfile, Docker Compose, Kubernetes YAML, Nginx config, and .env file validation
• AI development tools — token counter, model comparison, prompt templates, and MCP config builder
• Code generation — JSON to Go/Python/Rust/Java/C#/Dart/Swift/Kotlin, SQL to Prisma/Drizzle, cURL to code in 8 languages

DevBolt vs Other Alternatives

DevBolt isn't the only CodeBeautify alternative, but it's the only one with 105+ tools that are all client-side:

Why Client-Side Matters for Developer Tools

Developers routinely paste sensitive data into online tools — JWT tokens with user data, JSON API responses with credentials, config files with database URLs, code with hardcoded secrets. Server-side tools create three risks:

• Data storage — servers can log or store your input (as CodeBeautify did)
• Data breaches — stored data can be hacked, leaked, or misconfigured
• Third-party access — analytics, CDNs, and ad networks on the page can intercept data in transit

Client-side tools eliminate all three. Your data is processed by JavaScript running in your browser's sandbox. It never touches a network connection. Even if someone compromised the DevBolt server, they would get HTML and JavaScript — not your data, because your data was never there.

Getting Started

No signup required. Pick a tool and start using it:

• JSON Formatter — the most common CodeBeautify use case, now 100% client-side
• Base64 Encoder & Decoder — encode/decode without sending data to a server
• JWT Decoder — inspect tokens that may contain user PII
• AI Code Security Scanner — scan AI-generated code for vulnerabilities before shipping
• Browse all 105 tools — searchable with Ctrl+K from any page

Frequently Asked Questions