DevOps Toolkit

Pretty-print, minify, sort and deduplicate JSON Lines files.

Compare two prompt versions word by word with a token delta.

Compare two model responses to measure drift between runs or models.

Remove exact and near-duplicate rows from fine-tuning datasets.

Diff two OpenAPI specs and flag breaking changes.

Pretty-print and beautify JSON with custom indentation.

Validate JSON syntax and see detailed error diagnostics.

Compress JSON by removing whitespace and show bytes saved.

Diff two JSON documents and list added, removed, and changed paths.

Explore JSON as a collapsible, color-coded tree.

Convert JSON into well-formed, indented XML.

Convert JSON documents to clean, readable YAML.

Flatten a JSON array of objects into a CSV spreadsheet.

Escape special characters for use inside a JSON string.

Reverse JSON string escaping back to readable text.

Explore JSON paths and evaluate simple JSONPath queries.

Infer a JSON Schema from a sample JSON document.

Auto-fix broken JSON: quotes, trailing commas, comments, and more.

Sort JSON object keys alphabetically, naturally, or by array field.

Merge two or more JSON documents with shallow/deep strategies.

Validate OpenAPI 3.x / Swagger 2.0 documents in JSON or YAML.

Validate JSON data against a JSON Schema (Draft-07) in your browser.

Deduplicate lines of text with flexible matching.

Sort lines alphabetically, numerically, or by length.

Compare two texts line-by-line with an LCS diff.

Repeat text a set number of times with custom separators.

Generate acronyms, initials, or camelCase from phrases.

Compare two lists and see common, A-only and B-only items.

Generate canonical link tags to avoid duplicate content issues.

Convert YAML to JSON and JSON to YAML.

Convert nested JSON config into .env variables.

Beautify and normalize YAML with a hand-written parser.

Generate sortable ULIDs with timestamp and random components.

Calculate the difference between two dates, or add/subtract time.

Diff two sets of HTTP headers, case-insensitively.

Build, explain and preview cron schedules with timezone-aware next runs.

Convert .env files to JSON, YAML, or shell exports.

Minify or beautify JavaScript, CSS, HTML, JSON, XML, SQL, Java, Kotlin, C#, C/C++, Go, Swift, PHP, Python and YAML.

Lint a Dockerfile for common best-practice issues.

Side-by-side line diff of two code snippets with stats.

Sort, dedupe, and filter lines with regex include/exclude.

Validate YAML and preview it as JSON.

Compare two JSON documents and see added, removed and changed keys.

Generate Nginx snippets for redirects, proxies, caching and security headers.

Translate whole crontab files into plain English, line by line.

Build ~/.ssh/config Host entries from simple form fields.

Validate Kubernetes manifests and catch risky container settings.

Check docker-compose.yml for errors, bad ports and risky settings.

Analyse nginx.conf for syntax, security and performance issues.

Validate a GitHub Actions workflow YAML and catch security and structure mistakes.

Build a valid docker-compose.yml from a simple service form.

Build a production-ready systemd .service unit file.

Generate .htpasswd lines using SHA-1 or plain text.

Generate CORS headers/config for Nginx, Apache, Express, or Workers.

Parse an OpenSSH public key and show its SHA256/MD5 fingerprints.