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Developer Tools

Format and validate structured data, inspect APIs, generate implementation assets, and debug browser-facing formats.

31 tools

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JSON Schema Workbench

Validate bounded JSON Schema and instance data locally.

Local

CSV & Local Data Workbench

Profile, clean, and convert CSV data locally.

Local

All developer tools

Lottie Embed Generator

Generate validated, copy-ready Lottie integration code.

Local

Lottie JSON Minifier

Minify Lottie JSON for smaller delivery payloads.

Local

ASCII Table

Search, inspect, copy, and export standard ASCII codes.

Local

What Is My IP

Find your public IP and optionally load network details.

Network

JSON Diff

Compare JSON semantics and verify a standard JSON Patch.

Local

JSONPath Tester

Test standard JSONPath queries with normalized evidence.

Local

JSON Schema Generator

Generate and verify JSON Schema from sample data.

Local

Regex Tester

Test JavaScript regex safely with isolated evidence.

Local

JSON to CSV Converter

Create verified CSV or TSV from JSON object rows.

Local

YAML to JSON Converter

Convert and verify YAML and JSON with explicit policies.

Local

XML Formatter

Format and structurally verify bounded XML.

Local

XML to JSON Converter

Convert XML into verified compact or ordered JSON.

Local

SQL Formatter

Format SQL with explicit dialect and style policies.

Local

HTML Formatter

Format HTML with explicit whitespace and embedded-code policies.

Local

HTML to Markdown Converter

Convert HTML body content into safe, policy-driven Markdown.

Local

CSS Formatter

Format CSS, SCSS, or Less with stable output verification.

Local

JS Minifier

Minify JavaScript with explicit, verified Terser policies.

Local

Cron Builder

Build validated five-field cron schedules with next-run previews.

Local

JSON Formatter

Validate strict JSON and create bounded review or export views.

Local

JSON Lines Validator

Validate bounded JSONL records with line-level evidence and export.

Local

Markdown Table Generator

Generate verified Markdown tables from bounded delimited data.

Local

UUID Generator

Create and verify UUID v4, v7, and monotonic ULID batches locally.

Local

User-Agent Parser

Inspect User-Agent evidence with explicit spoofing and reduction limits.

Local

URL Parser

Inspect WHATWG URL normalization, components, and query evidence.

Local

HTML Entity Encoder Decoder

Transform HTML5 character references with explicit context and error policy.

Local

Text Difference Checker

Review text changes with line numbers and word detail.

Local

OpenAPI Inspector & Validator

Validate and inspect OpenAPI documents locally.

Local

PWA Manifest Validator

Validate bounded manifest metadata and URL evidence.

Local

Accessibility QA Workbench

Review WCAG contrast and isolated HTML audit evidence.

Local

Choose with clear scope

Processing

Local, Network modes are identified on each tool before use.

Common inputs

Lottie JSON path or URL, Playback and accessibility settings, Text or values, ASCII search query, Range and bit-width settings.

Common results

HTML, React TSX, Next.js TSX, Converted result, ASCII reference.