Popular
JSON Formatter
Beautify or minify JSON instantly with inline syntax error messages.
Formatter24 tools · Runs locally · No signup
Free Developer Tools. No Signup.
The VedaForge developer workbench: format JSON, decode JWTs, convert YAML, test regex, build cron schedules, and lint DevOps configs — all in your browser. Your data never leaves your device.
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All Tools
Every tool is free, works offline once loaded, and needs no account.
Transform 6
JSON ↔ YAML
Convert between JSON and YAML formats instantly. Supports nested structures and arrays.
ConverterYAML Linter
Validate YAML syntax, see errors by line number, and auto-format with consistent indentation.
LinterDiff Checker
Compare two text blocks side-by-side and highlight line-by-line differences.
UtilityRegex Tester
Test and debug regular expressions with real-time match highlighting and plain-English explanations.
TesterColor Converter
Convert HEX, RGB, and HSL simultaneously with palette suggestions.
Designer
Encode & hash 4
- Popular
Base64
Encode and decode Base64 strings. Supports text, URLs, and binary data.
Encoder URL Encode
Encode and decode URLs. Handle special characters and query parameters safely.
EncoderHash Generator
Generate MD5, SHA-1, SHA-256, and SHA-512 hashes from any text or file upload.
SecurityUUID Generator
Generate cryptographically random UUID v4 values, one or up to ten at a time.
Generator
Web & network 2
Time & dates 2
Security 3
JWT Decoder
Decode and inspect JWT tokens. View header, payload, and signature details.
DecoderTLS Decoder
Decode PEM certificates, inspect SANs, issuer info, fingerprints, and expiry timelines client-side.
Security.env File Editor
Compare, deduplicate, and normalize environment files between environments.
Utility
DevOps & cloud 6
GitHub Actions Linter
Lint .github/workflows YAML for missing triggers, runs-on targets, unsafe secrets usage, and unpinned actions.
DevOpsDocker Compose Validator
Lint docker-compose.yml files, highlight restart-policy issues, and download a cleaned manifest.
DevOpsK8s Generator
Generate Kubernetes Deployment and Service manifests from three inputs.
DevOpsTerraform ↔ Bicep
Convert infrastructure-as-code between Terraform HCL and Azure Bicep formats.
IaCInfra Docs
Generate markdown docs from Terraform, Bicep, or Kubernetes YAML.
ExpertCloud Cost Calc
Estimate and compare cloud infrastructure costs across AWS, Azure, and GCP.
FinOps
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.