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🔐
Free online encryption — AES-256-GCM² • PBKDF2-1.6M • HMAC-SHA256
CONTENT
0 bytes
SECRET PASSWORD (min 8 · 32+ recommended)
Enter a password to check strength
Key 1 (1M)
Encrypt 1
HMAC
Key 2 (600K)
Encrypt 2
Output
⚡ Ready — fill in content and password, then encrypt.
Result will appear here.
★ DOWNLOAD recommended — offline file, maximum privacy
⚠ Password is NEVER stored and cannot be recovered. Loss of password = permanent data loss. Do NOT modify encrypted content.

🛡 WHAT THIS TOOL DELIVERS

🔒 Military-Grade Dual Encryption

Your content is encrypted twice using independent AES-256-GCM layers — the same standard used by governments and financial institutions. Each layer uses a unique 256-bit key derived from your password via PBKDF2 with a combined 1.6 million iterations, making brute-force attacks computationally infeasible.

✅ HMAC-SHA256 Integrity Verification

After inner encryption, a cryptographic integrity tag (HMAC-SHA256) is computed over the inner ciphertext. Any modification — even a single character — to the encrypted output is detected and decryption is permanently refused.

💻 90-Layer Anti-Debug & Anti-Tampering Shield

The encrypted output actively defends itself across 90 independent layers: debugger timing traps, DevTools window-size detection, console method blocking, Function/String/JSON/Math/Array/parseInt native-code integrity checks, automation tool detection (Selenium, Playwright, Puppeteer, PhantomJS, Nightmare, HeadlessChrome and WebDriver-based tools), Object.prototype pollution detection, performance timing VM detection, crypto API descriptor integrity, rAF heartbeat anomaly, iframe nesting depth guard, and continuous revalidation every 2.5–6 seconds. Any tampering attempt triggers immediate content wipe.

🔀 Variable-Size Chunk Obfuscation

The encrypted payload is split into randomly-sized non-uniform chunks (8–20 chunks) with 7 distinct dead-code pattern generators injected between them. Each encryption produces a structurally unique output, defeating pattern-matching and signature-based analysis.

🌀 Runs 100% In Your Browser — Zero Server Contact

No data is ever sent anywhere. Encryption and decryption happen entirely in your browser using the native crypto.subtle Web Cryptography API. Your content and password never leave your device.

🙈 Up to ~300KB of Content

From a single word to full HTML pages, large code blocks, or entire documents — the tool handles content up to ~300KB. Above this threshold, a warning is shown, as performance may vary on low-end devices.

🔓 HOW TO DECRYPT YOUR CONTENT

Only this tool can decrypt. No exceptions.

Encrypted output produced by this tool uses a proprietary multi-layer format (dual AES-256-GCM + HMAC-SHA256 + PBKDF2-1.6M). No other tool, software — regardless of how advanced — can decrypt it without:

  • The exact original encrypted code, unmodified
  • The exact password used at the time of encryption
  • This tool — available at araveli.com

Without the three elements — original data, correct password, and this tool — recovering the content is computationally unfeasible. This is not an opinion, but a mathematical consequence of modern cryptography.

Steps to decrypt

  • 1. Paste the full encrypted code block into the CONTENT field above
  • 2. Enter your original password in the Secret Password field
  • 3. Click DECRYPT
  • 4. Your original content will appear in the result area (~11 seconds)

⚠ If decryption fails

Wrong password, corrupted data, or any modification to the encrypted block will result in permanent failure. There is no recovery path. Always keep a backup of both your password and the encrypted output.

📊 SECURITY TIPS FOR BEST RESULTS

🔑 Choosing a Strong Password

  • Use 32 or more characters — length is the single most important factor
  • Mix uppercase, lowercase, numbers, and symbols: eX@mp!e#9kQ$mR2v
  • Never use names, dates, dictionary words, or predictable patterns
  • A passphrase with random words is strong and easier to remember: violet$Train!Moon42fox
  • Never reuse passwords from other services

💾 Storing Your Password and Encrypted Data

  • Save both the password and the encrypted code in at least two separate secure locations
  • Use an offline password manager or encrypted notes app
  • Do not store the password in the same place as the encrypted content
  • Print a physical backup for critical content and store it securely offline

⚠ What NOT to Do

  • Never modify the encrypted output — any edit, line break, or whitespace change will permanently corrupt it
  • Never translate the encrypted block through any translation tool
  • Never run the encrypted output through a code formatter or minifier
  • Never share your password in the same message or channel as the encrypted content
  • Do not screenshot the password — use text-based secure storage

🔓 Operational Security

  • Encrypt sensitive content only on a device you trust and own
  • Close DevTools before using this tool if you have them open
  • Use a private/incognito browser window on shared devices
  • After encrypting, clear the original content from the input field

⚖️ LEGAL NOTICE, LIABILITY WAIVER & TERMS OF USE

§1 — Nature of Service & No-Warranty Provision

This tool is provided strictly "as is" and "as available", without any warranty of any kind — express, implied, statutory, or otherwise — including but not limited to warranties of merchantability, fitness for a particular purpose, accuracy, reliability, non-infringement, or continuous availability. No oral or written statement by the operator shall create any warranty not expressly stated herein. Use of this tool constitutes full and unconditional acceptance of these terms.

§2 — Zero Data Access by Operator (Technical Impossibility)

All cryptographic operations — including key derivation, encryption, decryption, and integrity verification — are executed exclusively within the user's local browser environment via the native Web Cryptography API (crypto.subtle). The operator of araveli.com does not receive, transmit, process, store, log, or have any technical means of accessing the user's plaintext content, passwords, derived keys, initialization vectors, HMAC tags, or any intermediate cryptographic material, at any point in time, under any circumstances.

This is not a policy choice — it is a mathematical and architectural impossibility. This design makes the operator legally exempt from data breach liability under LGPD (Brazil), GDPR (EU), CCPA (California), PIPEDA (Canada), POPIA (South Africa), PDPA (Thailand/Singapore), and equivalent statutes worldwide, as no personal data is ever processed by the operator.

§3 — Third-Party Platform Disclaimer (Blogger / Google)

This tool is hosted on the Blogger platform, a service operated by Google LLC. The operator of araveli.com has no control over Google's infrastructure, uptime, content policies, or response to legal orders directed at Google. The operator is not responsible for any interruption, removal, modification, or unavailability of this tool resulting from Google's platform decisions, court orders directed at Google, or changes to Google's Terms of Service. Users who rely on this tool for critical operations are advised to maintain a local copy of the tool's source code.

§4 — Irrecoverability & User Responsibility

  • Loss of the password or corruption of the encrypted data results in permanent and absolute irrecoverability of the original content, with no exception.
  • This is an inherent property of AES-256-GCM encryption and PBKDF2 key derivation — not a defect, malfunction, or failure of this tool.
  • The operator has no mechanism — technical, legal, or otherwise — to assist in recovery.
  • The user is solely and entirely responsible for maintaining secure, redundant backups of both the password and the encrypted data.

§5 — Comprehensive Limitation of Liability

To the maximum extent permitted by applicable law, the operator of araveli.com shall not be liable — under any legal theory — for any damages including: loss of data, loss of profits, loss of cryptocurrency or private keys, unauthorized access resulting from user-side failure, or any claim related to the mathematical impossibility of decryption without the correct password. In no event shall the operator's total aggregate liability exceed zero (USD $0.00), as no consideration is exchanged for the use of this free tool.

§6 — Governing Law & Jurisdiction

These terms are governed exclusively by the laws of the Federative Republic of Brazil. Any dispute shall be submitted exclusively to the courts of the State of Espírito Santo, Brazil. For EU users: GDPR obligations do not apply to the operator as no personal data is collected. For U.S. users: no commercial transaction occurs and no data is collected. For all other jurisdictions: the user is solely responsible for verifying that their use of encryption software complies with local law.

§7 — Export Controls & Prohibited Uses

The user is solely responsible for compliance with all applicable export control laws. This tool may not be used to encrypt CSAM, content facilitating terrorism, or content intended to evade lawful court orders.

§8 — No Professional Advice

Nothing in this tool constitutes legal, financial, cybersecurity, or professional advice. Users encrypting high-value or legally sensitive assets are strongly advised to seek independent qualified professional guidance.

§9 — Intellectual Property & Copyright

The source code, design, logic, obfuscation architecture, and documentation of this tool are the original intellectual property of the operator of araveli.com, protected under Brazilian copyright law (Lei n.º 9.610/1998), the Berne Convention, and applicable international treaties. Unauthorized reproduction, redistribution, or reverse-engineering for the purpose of creating derivative competing tools is prohibited. DMCA claims must be directed to Blogger Help Center.

§10 — Indemnification

By using this tool, the user agrees to indemnify and hold harmless the operator of araveli.com from any claims arising from: (a) use or misuse of the tool; (b) breach of these terms; (c) any third-party claim related to the user's encrypted content; or (d) loss of data due to forgotten credentials or user-side failure.

§11 — Age Restriction

This tool is intended for users aged 18 years or older. By using this tool, the user confirms they meet this age requirement.

§12 — Severability & Entire Agreement

If any provision of these terms is found unenforceable, it shall be modified to the minimum extent necessary, and the remaining provisions shall continue in full force. These terms constitute the entire agreement between the user and the operator regarding this tool.

§13 — Acceptance (Explicit & Irrevocable)

By encrypting or decrypting any content using this tool, the user irrevocably and explicitly confirms that they have read, understood, and fully accepted all terms stated herein in their entirety.

These terms may be updated at any time without prior notice. Continued use constitutes acceptance of the revised terms.

Legal Notice: This tool was originally developed by araveli.com. © 2026 araveli.com — All rights reserved under Lei n.º 9.610/1998 (Brazil) and the Berne Convention. Unauthorized reproduction prohibited.
✏️ Last Updated:
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