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Encryption / Decryption Workbench

Encrypt and decrypt text with AES-GCM, PBKDF2 passphrase hardening, raw AES keys, AAD, and optional gzip compression. Export as JSON envelope or compact token.

Encryption / Decryption Workbench

CyberChef-style workflow with AES-GCM, tag-length control, PBKDF2 hardening, key utilities, and envelope/token export.

ModeKey modeBinary encodingGzip before encrypt

IV length (bytes)Tag length (bits)AAD (optional text)

Passphrase

Strength: Empty

PBKDF2 hashIterationsSalt length (bytes)

Input payload

Encrypt UTF-8, hex, or base64 payloads. You can paste text or load from a file.

Input formatLoad input from file

HMAC Sign / Verify

Generate or verify message authentication signatures with HMAC-SHA256/SHA512.

Secret keyAlgorithmOutput encoding

MessageExpected signature (for verify)

Chained Crypto Pipeline

Build step-by-step crypto workflows with classic ciphers (Morse, Caesar, Vigenere, Affine, Rail Fence, Columnar, ROT13, Atbash), hashing, HMAC, PBKDF2, AES modes, RSA-OAEP, ECDSA, encoding transforms, XOR, and compression.

Key store aliases in memory: RSA 0 | ECDSA 0

Input formatOutput formatAdd step

Algorithm palette (drag blocks into the flow)

Entry input

Input->Hash (SHA-1/256/384/512)->Output

Step 1Hash (SHA-1/256/384/512)

Hash: SHA-256

Enabled

Drop block here to place it at the end of the flow.

Security notes

This tool runs fully in-browser. Use strong passphrases, store keys separately from ciphertext, and prefer per-message random IVs and salts. AES-GCM provides confidentiality and integrity when inputs match exactly.

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How to Use the Encryption / Decryption Workbench

1
Enter your values
Open the Encryption / Decryption Workbench and fill in the required input fields with your numbers or selections.
2
Review the calculation
The tool automatically computes the result as you type. Double-check your inputs to ensure accuracy.
3
Interpret your results
Review the calculated output along with any breakdowns, charts, or explanations provided to understand what the numbers mean for your situation.

Sources & Verification

MDN Web Docs ECMAScript Language Specification

Published by ConvertCrunch Editorial Team | Our Methodology

Frequently Asked Questions

What is the Encryption / Decryption Workbench?

The Encryption / Decryption Workbench is a free browser-based tool on ConvertCrunch. Encrypt and decrypt text with AES-GCM, PBKDF2 passphrase hardening, raw AES keys, AAD, and optional gzip compression. Export as JSON envelope or compact token. It requires no downloads, installations, or account signups. Simply enter your values and get instant, accurate results. The tool is designed for quick calculations and informed decision-making, whether you are a professional, student, or everyday user looking for reliable answers.

How do I use the Encryption / Decryption Workbench?

Using the Encryption / Decryption Workbench is straightforward. Enter your values into the input fields provided on the page. Results update instantly as you type or adjust parameters, so there is no need to press a calculate button. You can modify any input to explore different scenarios and compare outcomes. All processing happens in your browser, so your data stays private and is never sent to a server. Most users get the answers they need in under a minute.

Is the Encryption / Decryption Workbench free to use?

Yes, the Encryption / Decryption Workbench is completely free to use with no limitations. There is no account signup, no email required, and no premium tier. The tool runs entirely in your browser using JavaScript, which means it works offline after the page loads and your data never leaves your device. You can use it as many times as you need for personal, educational, or professional purposes.

How accurate is the Encryption / Decryption Workbench?

The Encryption / Decryption Workbench uses standard algorithms, encoding specifications, and well-tested implementations. Output is deterministic and verifiable against official specifications. For encoding, hashing, and conversion tools, results match the relevant RFC or standard exactly. For estimation tools, results are based on industry benchmarks and may vary based on your specific environment and configuration.

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Continue Through Topic Hubs

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Conversion and Data Pipelines Hub

High-demand document, media, and data conversion flows for repeat utility usage.

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