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.