DevOps Toolkit
Config and payload tools for pipelines: YAML and JSON conversion, diffing, minification and validation.
33 tools
JSONL Formatter
AI & LLM
Pretty-print, minify, sort and deduplicate JSON Lines files.
Prompt Diff & Compare
AI & LLM
Compare two prompt versions word by word with a token delta.
LLM Output Diff
AI & LLM
Compare two model responses to measure drift between runs or models.
AI Dataset Deduplicator
AI & LLM
Remove exact and near-duplicate rows from fine-tuning datasets.
API Breaking Change Detector
API & HTTP
Diff two OpenAPI specs and flag breaking changes.
JSON Formatter
JSON
Pretty-print and beautify JSON with custom indentation.
JSON Validator
JSON
Validate JSON syntax and see detailed error diagnostics.
JSON Minifier
JSON
Compress JSON by removing whitespace and show bytes saved.
JSON Compare
JSON
Diff two JSON documents and list added, removed, and changed paths.
JSON Viewer
JSON
Explore JSON as a collapsible, color-coded tree.
JSON to XML
JSON
Convert JSON into well-formed, indented XML.
JSON to YAML
JSON
Convert JSON documents to clean, readable YAML.
JSON to CSV
JSON
Flatten a JSON array of objects into a CSV spreadsheet.
JSON String Escape
JSON
Escape special characters for use inside a JSON string.
JSON String Unescape
JSON
Reverse JSON string escaping back to readable text.
JSON Path Finder
JSON
Explore JSON paths and evaluate simple JSONPath queries.
JSON Schema Generator
JSON
Infer a JSON Schema from a sample JSON document.
JSON Repair / Auto-fixer
JSON
Auto-fix broken JSON: quotes, trailing commas, comments, and more.
JSON Key Sorter
JSON
Sort JSON object keys alphabetically, naturally, or by array field.
JSON Merger
JSON
Merge two or more JSON documents with shallow/deep strategies.
JSON Schema Validator
JSON
Validate JSON data against a JSON Schema (Draft-07) in your browser.
Remove Duplicate Lines
Text & String
Deduplicate lines of text with flexible matching.
Sort Lines
Text & String
Sort lines alphabetically, numerically, or by length.
Diff Checker
Text & String
Compare two texts line-by-line with an LCS diff.
Text Repeater
Text & String
Repeat text a set number of times with custom separators.
List Comparator
Text & String
Compare two lists and see common, A-only and B-only items.
Canonical Tag Generator
SEO
Generate canonical link tags to avoid duplicate content issues.
ULID Generator
Generators
Generate sortable ULIDs with timestamp and random components.
Duration Calculator
Date & Time
Calculate the difference between two dates, or add/subtract time.
HTTP Header Comparator
Network & IP
Diff two sets of HTTP headers, case-insensitively.
Code Diff Merger
Dev Utilities
Side-by-side line diff of two code snippets with stats.
Line Sorter & Deduper
Dev Utilities
Sort, dedupe, and filter lines with regex include/exclude.
JSON Diff Viewer
Dev Utilities
Compare two JSON documents and see added, removed and changed keys.