PR

Previewers Tools

Preview and inspect structured content fast

22 tools

Category Overview

This category is focused on teams that need to preview structured content safely before delivery.

Inputs typically include raw payloads, configs, or formatted datasets, and outputs are tuned for human-readable previews that reduce review mistakes.

Use these tools as standalone actions or combine them with related categories for full workflows.

All Previewers Tools

• JSON Previewer - Tree JSON preview with search, collapse, and copy path/value.
• CSV/TSV Previewer - Preview CSV/TSV tables with auto delimiter detect, sort, and filter.
• Markdown Previewer - GFM-style markdown preview with code blocks and table of contents.
• XML Previewer - Preview XML as a tree and formatted text.
• PDF Preview Inspector - Inspect PDF metadata and page overview cards.
• Image Preview Inspector - Inspect image EXIF, dimensions, and color profile hints.
• OpenGraph/Meta Previewer - Preview social meta tags like title, description, and image.
• Schema Previewer - Inspect JSON-LD schema and preview JSON Schema/OpenAPI snippets.
• Link Previewer - Quickly preview links, target URL, status, and content type.
• JWT Claims Previewer - Decode JWT and visualize exp/nbf/iat claim states.
• ZPL Viewer - Render ZPL labels and export them as PDF.
• HTML/CSS/JS Previewer - Edit HTML, CSS and JavaScript with instant live preview and console output.
• HTML Viewer - Load HTML from URL/file, sanitize and render in multiple modes.
• YAML Viewer - Parse YAML into searchable, foldable tree preview.
• TOML/INI Viewer - Inspect TOML/INI config data as structured JSON.
• JSONL/NDJSON Viewer - Preview line-delimited JSON logs with validation and filtering.
• HAR Viewer - Inspect HAR network exports with fast request filtering.
• Diff Viewer - Side-by-side diff for text, JSON and XML content.
• SQL Result Previewer - Preview SQL result datasets from CSV/TSV/JSON table inputs.
• Structured Data Validator - Validate JSON-LD blocks and inspect Microdata/RDFa usage.
• Social Preview Pro - Preview Open Graph and Twitter Card data with missing-field checks.
• HAR Diff Analyzer - Compare two HAR files and highlight request/path-level differences.

FAQ

What is included in the Previewers category?

Previewers includes 22 tools in Toolboard. Popular entries include JSON Previewer, CSV/TSV Previewer, Markdown Previewer.

Who should use Previewers tools?

Previewers tools are designed for users who need reliable browser-native workflows with fast iteration and low setup overhead.

How do I start with Previewers?

Start with one focused tool from this page, validate its output, and chain related tools for larger workflows.