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// devops toolbox

DevOps Tools

Handy browser-based tools for DevOps & Cloud engineers. No data leaves your browser.

// JSON Formatter & Validator
Paste raw JSON to format and validate it
📖 Free Guide
INPUT
OUTPUT
Ready
// YAML Validator
Validate YAML syntax and convert to JSON
📖 Free Guide
YAML INPUT
JSON OUTPUT
Ready
// Base64 Encoder / Decoder
Encode or decode Base64 strings
Output will appear here...
// JWT Decoder
Decode JWT header and payload (no signature verification)
HEADER
—
PAYLOAD
—
EXPIRY
—
// Cron Expression Parser
Translate cron expressions into human-readable schedules
0 * * * *
Output will appear here...
Presets:
// URL Encode / Decode
Encode or decode URL components
Output will appear here...
// Text Diff
Compare two blocks of text and highlight differences
📖 Free Guide
TEXT A (original)
TEXT B (modified)
DIFF RESULT
// Password Generator
Generate strong, random passwords with custom rules
📖 Free Guide
Click Generate →
Strength
Bulk generate:
// MD5 Hash Generator
Generate MD5, SHA-1, and SHA-256 hashes from text
📖 Free Guide
MD5 128-bit
—
SHA-1 160-bit
—
SHA-256 256-bit
—
SHA-512 512-bit
—
// Verify hash
// COMPREHENSIVE GUIDES & CHEATSHEETS

Free DevOps Tools Guides & Syntax Reference

Master data encoding, Kubernetes manifest validation, cron schedules, and token security. Each guide features RFC standards, common production pitfalls, and copy-paste CLI recipes.

RFC 8259
Free JSON Formatter Guide →
Format, minify, and fix malformed JSON payloads. Covers jq CLI recipes and trailing comma fixes.
YAML 1.2
Free YAML Validator Guide →
Catch Kubernetes indentation errors, Norway boolean traps, and convert YAML to JSON safely.
RFC 4648
Free Base64 Encoder / Decoder →
Encode and decode UTF-8 strings, decode Kubernetes secrets, and understand padding rules.
RFC 7519
Free JWT Decoder Guide →
Inspect bearer token headers, payload claims, and UTC expiration without cloud leakage.
POSIX CRON
Free Cron Expression Parser →
Translate crontab schedules into English and debug Kubernetes CronJob execution timing.
RFC 3986
Free URL Encoder / Decoder →
Percent-encode reserved characters and debug OAuth2 callback redirect URIs.
UNIFIED DIFF
Free Text Diff Checker →
Spot code differences, environment drift, and line-ending (CRLF vs LF) gotchas.
WEB CRYPTO CSPRNG
Free Password Generator →
Generate high-entropy cloud secrets, exclude ambiguous characters, and generate in bulk.
FIPS 180-4
Free MD5 & SHA Hash Generator →
Compute MD5, SHA-1, SHA-256, and SHA-512 hashes and verify release checksums.
View All Free DevOps Guides & Documentation Hub →
// KNOWLEDGE BASE & ARCHITECTURE FAQS

Frequently Asked Questions: Free DevOps Tools & Best Practices

Detailed answers covering client-side data privacy, RFC standards, Kubernetes manifests, and terminal command recipes for every tool in the suite.

⚡ Zero-Trust Privacy & Security

Why are all DevOps utilities on tools.naveedkumbhar.com completely free? +
Does my data or code ever leave the browser when using these tools? +

⚡ Free JSON Formatter & Validator

What is the difference between JSON formatting (beautification) and minification? +
Why does strict JSON reject trailing commas and single quotes? +

⚡ Free YAML Validator & Linter

Why are tab characters strictly forbidden in YAML? +
What is the YAML 'Norway Problem' and how do I avoid it? +

⚡ Free Base64 Encoder & Decoder

Is Base64 an encryption algorithm or an encoding method? +
Why do Kubernetes Secrets require Base64 encoding without trailing newlines? +

⚡ Free JWT Decoder & Token Debugger

Is it safe to inspect production JWT authorization tokens in this browser tool? +
How does the 'exp' claim work in a JSON Web Token? +

⚡ Free Cron Expression Parser

What are the 5 standard fields of a Linux and Kubernetes cron expression? +
Why do scheduled cron jobs fail silently in production Linux servers? +

⚡ Free URL Encoder & Decoder

What is percent-encoding (RFC 3986) and why is it required in URLs? +
When should I use encodeURI versus encodeURIComponent? +

⚡ Free Text Diff Checker

How does the line-by-line text diff tool highlight differences? +
Why do CRLF vs LF line endings cause false difference alerts in Git and diffs? +

⚡ Free Secure Password Generator

How does this password generator ensure true cryptographic randomness? +
Why is the 'Exclude ambiguous characters' setting useful in DevOps? +

⚡ Free MD5 & SHA Hash Generator

What is the difference between MD5, SHA-1, SHA-256, and SHA-512? +
How can I verify a downloaded binary against a published vendor checksum? +