JSON ↔ YAML
Convert between JSON and YAML formats instantly. Supports nested structures and arrays.
Converter✦ 20+ tools · No signup required
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A growing collection of 20+ tools built for DevOps engineers, SREs, and developers. Convert, decode, test, and generate — all in your browser. No accounts, no tracking.
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Total Tools
24
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- Popular
Base64
Encode and decode Base64 strings. Supports text, URLs, and binary data.
Encoder JWT Decoder
Decode and inspect JWT tokens. View header, payload, and signature details.
DecoderURL Encode
Encode and decode URLs. Handle special characters and query parameters safely.
EncoderRegex Tester
Test and debug regular expressions with real-time match highlighting and plain-English explanations.
TesterCron Builder
Build and validate cron expressions with a visual editor and human-readable output.
DevOpsDiff Checker
Compare two text blocks side-by-side and highlight line-by-line differences.
UtilityHash Generator
Generate MD5, SHA-1, SHA-256, and SHA-512 hashes from any text or file upload.
Security- Popular
JSON Formatter
Beautify or minify JSON instantly with inline syntax error messages.
Formatter YAML Linter
Validate YAML syntax, see errors by line number, and auto-format with consistent indentation.
LinterPrompt Token Counter
Count GPT, Claude, Gemini, and GPT-4o mini tokens in real time with pricing estimates and chunk planning.
AIGitHub Actions Linter
Lint .github/workflows YAML for missing triggers, runs-on targets, unsafe secrets usage, and unpinned actions.
DevOpsTimestamp Converter
Convert Unix epoch timestamps to UTC, local time, and ISO 8601 — or parse any date string.
UtilityUUID Generator
Generate cryptographically random UUID v4 values, one or up to ten at a time.
GeneratorTerraform ↔ Bicep
Convert infrastructure-as-code between Terraform HCL and Azure Bicep formats.
IaCCloud Cost Calc
Estimate and compare cloud infrastructure costs across AWS, Azure, and GCP.
FinOpsK8s Generator
Generate Kubernetes Deployment and Service manifests from three inputs.
DevOpsDocker Compose Validator
Lint docker-compose.yml files, highlight restart-policy issues, and download a cleaned manifest.
DevOps.env File Editor
Compare, deduplicate, and normalize environment files between environments.
UtilityIP Lookup
Fetch geolocation, ASN, ISP, and reverse DNS details for IPv4/IPv6 addresses.
SecurityTLS Decoder
Decode PEM certificates, inspect SANs, issuer info, fingerprints, and expiry timelines client-side.
SecurityColor Converter
Convert HEX, RGB, and HSL simultaneously with palette suggestions.
DesignerInfra Docs
Generate markdown docs from Terraform, Bicep, or Kubernetes YAML.
Expert- Popular
What Is My IP?
Show your current public IP address with ISP and geography data.
Utility
Latest from DevToolBox
Fresh walkthroughs to help you get the most from our tools.
- Bulk UUID Generator – Generate Hundreds of UUIDs for Test FixturesLearn how to generate batches of UUIDs for database seeding, test fixtures, and mock data. Covers UUID v4 and v7, output formats, and collision probability at scale.
- JSON to YAML for Ansible Playbooks – Migrate Config Without RewritingLearn how to convert JSON task definitions and variable files to Ansible YAML playbooks. Covers boolean handling, nested vars blocks, and the Ansible-specific YAML patterns.
- Hash Generator Online – MD5, SHA256 Tool GuideLearn how cryptographic hash functions work, when to use MD5 vs SHA-256, and how to generate and verify hashes instantly in your browser — no install required.
- Base64 Decode Corrupted Strings – Recover Payloads from LogsLearn how to recover Base64-encoded payloads from audit logs when copy-paste strips padding. A Base64 decoder that flags padding and alphabet issues reconstructs the original data.
- Cron Daylight Savings Fixer – Prevent Duplicate and Missing Job RunsLearn how to fix cron jobs that fire twice or not at all during DST changes. Build UTC-based expressions or simulate schedules through DST boundaries to catch gaps before they happen.