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<title>GigaJSON blog</title>
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<description>Practical guides to working with JSON files.</description>
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<lastBuildDate>Wed, 21 Oct 2026 00:00:00 GMT</lastBuildDate>
<item><title>n8n $json expressions explained: paths, items and $jmespath</title><link>https://gigajson.com/blog/n8n-json-expressions/</link><guid>https://gigajson.com/blog/n8n-json-expressions/</guid><pubDate>Wed, 21 Oct 2026 00:00:00 GMT</pubDate><description>What {{ $json.field }} means in n8n, why saved workflows show ={{ }}, how to reach nested and odd keys, other nodes' items, and $jmespath queries.</description></item>
<item><title>How to open a JSON file on Windows, Mac, a phone or in Excel</title><link>https://gigajson.com/blog/open-json-file/</link><guid>https://gigajson.com/blog/open-json-file/</guid><pubDate>Sat, 17 Oct 2026 00:00:00 GMT</pubDate><description>Open a .json file with Notepad, TextEdit, a browser, VS Code, Excel or a phone. Then make it readable, fix errors and handle big files.</description></item>
<item><title>JSON vs TOON: token counts measured on six kinds of data</title><link>https://gigajson.com/blog/json-vs-toon/</link><guid>https://gigajson.com/blog/json-vs-toon/</guid><pubDate>Sat, 17 Oct 2026 00:00:00 GMT</pubDate><description>TOON used 32 to 42% fewer tokens than compact JSON on records without list fields, and up to 25% more with one. Measured on 600 records.</description></item>
<item><title>How to reduce JSON tokens for AI prompts</title><link>https://gigajson.com/blog/reduce-json-tokens-for-ai/</link><guid>https://gigajson.com/blog/reduce-json-tokens-for-ai/</guid><pubDate>Tue, 13 Oct 2026 00:00:00 GMT</pubDate><description>A worked example: 270 tokens of JSON down to 127 with TOON and all data kept, then 44 by keeping only the fields the question needs. Free tools, no upload.</description></item>
<item><title>A JSON Crack alternative for large files: GigaJSON</title><link>https://gigajson.com/blog/json-crack-alternative/</link><guid>https://gigajson.com/blog/json-crack-alternative/</guid><pubDate>Wed, 07 Oct 2026 00:00:00 GMT</pubDate><description>When GigaJSON is a useful JSON Crack alternative: large files, table browsing, queries and saved history, with practical limits and screenshots.</description></item>
<item><title>Compare two JSON files: values, key order and saved history</title><link>https://gigajson.com/blog/compare-json-files/</link><guid>https://gigajson.com/blog/compare-json-files/</guid><pubDate>Wed, 07 Oct 2026 00:00:00 GMT</pubDate><description>Compare JSON files locally with GigaJSON. Find changed values, ignore object key order, understand array differences and review saved versions.</description></item>
<item><title>Large JSON numbers: preserve 64-bit IDs without silent rounding</title><link>https://gigajson.com/blog/json-large-numbers/</link><guid>https://gigajson.com/blog/json-large-numbers/</guid><pubDate>Wed, 07 Oct 2026 00:00:00 GMT</pubDate><description>Why JSON.parse rounds large numeric IDs, when to use strings or BigInt, and how GigaJSON warns before you write rounded values.</description></item>
<item><title>Convert JSON to CSV: nested objects, arrays and Excel gotchas</title><link>https://gigajson.com/blog/convert-json-to-csv/</link><guid>https://gigajson.com/blog/convert-json-to-csv/</guid><pubDate>Thu, 01 Oct 2026 00:00:00 GMT</pubDate><description>Turn nested JSON into a CSV that Excel opens correctly: flattening objects, three ways to handle arrays, and keeping leading zeros, long IDs and dates.</description></item>
<item><title>How to fix invalid JSON: the 10 most common errors</title><link>https://gigajson.com/blog/fix-invalid-json/</link><guid>https://gigajson.com/blog/fix-invalid-json/</guid><pubDate>Thu, 01 Oct 2026 00:00:00 GMT</pubDate><description>Trailing commas, single quotes, comments, NaN, cut-off files and JSON from AI chats: what each parser error means and how to fix it, with before and after.</description></item>
<item><title>How to open a large JSON file (100 MB to 1 GB) without crashing</title><link>https://gigajson.com/blog/open-large-json-file/</link><guid>https://gigajson.com/blog/open-large-json-file/</guid><pubDate>Thu, 01 Oct 2026 00:00:00 GMT</pubDate><description>Why editors freeze on big JSON files, and what works instead: jq, streaming parsers like ijson, VS Code's limits, and browser tools. Measured trade-offs.</description></item>
<item><title>How to view and query API responses and NDJSON logs</title><link>https://gigajson.com/blog/query-api-responses-ndjson-logs/</link><guid>https://gigajson.com/blog/query-api-responses-ndjson-logs/</guid><pubDate>Thu, 01 Oct 2026 00:00:00 GMT</pubDate><description>Read JSON API responses and JSON Lines logs: curl and jq commands, skipping broken log lines, counting errors, and viewing logs as a table.</description></item>
<item><title>jq vs JSONPath vs JMESPath: the same 8 tasks in all three</title><link>https://gigajson.com/blog/jq-vs-jsonpath-vs-jmespath/</link><guid>https://gigajson.com/blog/jq-vs-jsonpath-vs-jmespath/</guid><pubDate>Thu, 01 Oct 2026 00:00:00 GMT</pubDate><description>The same eight tasks in jq, JSONPath and JMESPath, all tested, with a playground to run them on your JSON. Which one to use, and where each runs out.</description></item>
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