Free Online JSONL Viewer

What it does

View, format, and analyze JSONL (JSON Lines) files online instantly. Free JSONL viewer with syntax highlighting, search, filtering, and export. No upload required - works 100% in your browser. Perfect for developers working with streaming data, logs, and large datasets.

• JF
  JSON For You – Visualize JSON in graph or table views2024 · github.com · ▲211

  After two years of improvement, I think it's time to share it with you all. Here’s a quick overview: - Common features include validation, formatting, minification, and more. - Visualize JSON in a graph or table view. - Structured comparison with fallback to text comparison. - Navigate though JSON using JSON pointer. - Supports jq. Would love to hear the community's questions, thoughts and comments!

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  JSON Formatter and Validator2022 · ▲81

  Useful JSON online tools

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  JSON ToolsFeb 2026 · ▲2

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  JSONViewerToolDec 2025 · ▲2

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• 
  JSONKitJun 2026 · jsonkit.in · ▲4

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• OJ
  Online JSON Browser, Editor2022 · jsonhero.io · ▲20

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• NW
  Needle: We Distilled Gemini Tool Calling into a 26M Model▲776

  Hey HN, Henry here from Cactus. We open-sourced Needle, a 26M parameter function-calling (tool use) model. It runs at 6000 tok/s prefill and 1200 tok/s decode on consumer devices. We were always frustrated by the little effort made towards building agentic models that run on budget phones, so we conducted investigations that led to an observation: agentic experiences are built upon tool calling, and massive models are overkill for it. Tool calling is fundamentally retrieval-and-assembly (match query to tool name, extract argument values, emit JSON), not reasoning. Cross-attention…

  Life & fun · May 2026 · github.com

• FM
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