JSON object to Excel
Write a JSON object into an xlsx: object mode produces key and value columns (in lexicographic order), while array mode treats the object as a single row. The result is the base64 of an xlsx file, written by Rust-compiled WebAssembly.
Runs in your browserEvery computation happens in your browser — your data never leaves this device.
JSON object
xlsx base64
The output is the base64 of an xlsx file — decode and save it to open.
Loading the parser module…
Paste a JSON object to generate an xlsx
Rows: 0 · Bytes: 0
What this tool does
- Export a configuration object as a two-column sheet.
- Hand a non-technical colleague an editable key list.
- Archive a JSON object as Excel for an approval flow.
Example
Input
{"one":1,"two":2.5,"three":"x,y"}Output
UEsDBBQAAAAIAAAAIQCeBnKjDwEAAE4CAAAYAAAAeGwvd29ya3NoZWV0cy9zaGVldDEueG1sjdLhasMgEAfw7z6F3OctNmk3RjGWjbIn2B5AkksTql5Qm6RvP5Z2yRIYzE9yd/+fKMrDYA3v0IeGXA5psgGOrqCycaccPj/eH1+Ah6hdqQ05zOGKAQ6KyZ78OdSIkQ/WuJBDHWO7FyIUNVodEmrRDdZU5K2OISF/EqH1qMsxZI3INptnYXXjgPH7GqW9/49FVdUUeKTiYtHFG+bR6NiQC3XTBlATy+R45lFHrZj01HOfQwqKyeJ795oCjzmE6EHJTp3xKkWnpCjUrf+27HfaXPBngknhqZ/VbFazRYrclLmr2VhP/5K2s7RdSLH2uLaWE8PDdIO1upvV3VLtaWXuxnqWPK0tJsXv9xTTT1DsC1BLAwQUAAAACAAAACEAfGJbUKoBAADdBQAAEwAAAFtDb250ZW50X1R5cGVzXS54bWy1lM1u2zAQhO95CoHXQKScAkURWMkhTU/9CZAU6HVNri3C5JLgMrb89oWo2HGB1HZQdw/SQZydb4cip7e9d9UKE9tArZjIRlRIOhhLi1b8fPpSfxIVZyADLhC2YoMsbm8upk+biFz13hG3oss5XivFukMPLENE6r2bh+QhswxpoSLoJSxQXTXNR6UDZaRc56GHGJtc92x2jdbrtVx/KMKrppmoX9++Ppbe4qIaa6uxxzW1pWEAjeKmqKefcQ7PLlf3fUYa5+69E9XdiDVM1gqI0VkN2QZSw1f1d/HM0gHxioz0XGOv0UnuELOcWYK0kR50CvcEM4dGerB0yCSh4yMuf8Zev0QuE7qyhjsb+XJ/lh8rTMkarB4g5e/gsRWqd2od0nIWwlIOa7eBv9R7AMJ8bjWaoJ89UpYcE4IpCfhtEsPU+0ivdQiuaFmV1+QtyjOz7jxPSS936HF8jmz/wlHanOLKeeOQ/++OFYuTYDpIaB5zsrQYmc753+z1Pgpjgn5IIbLSIeH7SbZHaFDXMYWIKdsTMtjZQoxn3hMcrgSD5g2cqSqX8utJ+g1QSwMEFAAAAAgAAAAhAMyQ6hjnAAAAWAIAAAsAAABfcmVscy8ucmVsc63Sz0oDMRDH8XufIsy9m20FEWnaSxF6E1kfYExm/7BJJiSjpm8viKgVLYLO+ceXz2E2uxq8eqJcJo4GVk0LiqJlN8XBwH13s7wCVQSjQ8+RDBypwG672NyRR5k4lnFKRdXgYzEwiqRrrYsdKWBpOFGswfecA0ppOA86oZ1xIL1u20udPzfgS1QdnIF8cGtQ3THR3+I6kKBDQW050zJlTpRlogKqwzyQGHBsbzOn8rpoavCgfxBd/F7EfT9Z2rN9DBTlOxhVoejInTdhSmdJq/8knS4+NNXrZ87zA/P8jtEnf7BdqLd7AVBLAwQUAAAACAAAACEAY3OPKC0BAADYAgAAEAAAAGRvY1Byb3BzL2FwcC54bWydUl1LwzAUfd+vCHnfso0hMtIOQUR8cbCpzzG9XYNpEnKvpfPXS9utW6eimMdzk/N1I1d1aVkFEY13CZ9NppyB0z4zbpfwp+3d+JozJOUyZb2DhO8B+SodyXX0ASIZQFaX1mHCC6KwFAJ1AaXCiQ/g6tLmPpaKcOLjTvg8NxpuvX4vwZGYT6dXAmoCl0E2Dj0hH7Gz07IvK/qvQOZ14xWft/sAyNOWXN6EYI1WZLxLNwUAPWykOAe7a/egmibWykTsoBauaFmBJh8Zmg9I+JyzV4XQKCS8UtEoRwelwZtuMhwchzYgxfTFxzds/KAUPTgkEj8x/SphFumsfW4Wf+Hs0DbnoQ7xtQ+5NWQBH/O1inTELvuZnffTZjruoc/YL2GY+hsPF4JSnL7iyfsnUEsDBBQAAAAIAAAAIQA8yE301gAAAIgBAAARAAAAZG9jUHJvcHMvY29yZS54bWx9kEtLAzEUhff9FSH7yc1UEBk67c6VgqCC25Bcp8G8yL06038vHWk2LZ7teXxwdoclBvGDlXxOo+yVlgKTzc6naZTvb4/dgxTEJjkTcsJRnpDkYb/Z2TLYXPGl5oKVPZJYYkg02DLKI3MZAMgeMRpSuWBaYvjMNRomlesExdgvMyFstb6HiGycYQPnwa60RbkR1/qjONso5buGddNZwIARExP0qgfZsow10s3C6sC/oOj5VPBm+2I21EK+Bed5VvPdGt1q3cPH89Prekjn0/lQixL2DfwLUEsDBBQAAAAIAAAAIQAkoEte4gEAAOAFAAANAAAAeGwvc3R5bGVzLnhtbLVUy27bMBC85ysI3mNZQlq0gZQcUhjooUGAuEWulLSyCSy5ArkypH59oZf1sAO0aOvTcHc4sw9T8WNtUJzAeU02keFmKwXYjHJtD4n8vt/dfpLCs7K5QrKQyAa8fHy4iT03CK9HABa1QesTeWQu74PAZ0cwym+oBFsbLMgZxX5D7hD40oHKfXvJYBBttx8Do7SVN2L269TuT/w7glQUOoMvlFUGLPeKOWUvjkr/Y9+U4OVDJx4XZNmLjCrLiQyH6DkzHbuQ/ylOChMZRjJYpTJCcoKPYKDVWaetMtDffVKoU6cvGIUyGpuecynf9TooGG3JzRlxMNXaYz92pxHP3UWL7jTiyqNUzODsTiOKAbejSqQlCyu/xe0/Ejs41YTRh/f0ejzWn5LLwV3fT59b2SIUvJ6d04fjRZCpXIdSYiazjuZaHcgqXNQ79x5PY80ZIL62j+CtuF54XQhbmZ3hr3kit1K0CxuhRhxgL9ofBu84mGvP7GZO0d85iboYgCpLbJ4rk4LbdS9r9bdeiod3/1M9iv6dej/Et8X8upFeX9Y5LdonnMjnVg9nXmmlkbV9b1GjTV5PO5p4rFKEpftWihwKVSHvz8lETvgb5Loyn8+sF30iHlgT7ll3rVEcTJ/kqbFfUEsDBBQAAAAIAAAAIQBBeUFiiAAAAKcAAAAUAAAAeGwvc2hhcmVkU3RyaW5ncy54bWw1xzEOwjAMAMCdV1jeaQIDQqhpByReAA+IWtNGSuwSu6j8ngVuu7bfSoY3VU3CAQ+NRyAeZEw8BXzcb/szglrkMWZhCvghxb7bwU+rarCVzBpwNlsuzukwU4nayEK8lfyUWqJpI3VyulSKo85EVrI7en9yJSZGGGRlC+gRVk6vla7/d61Tte4LUEsDBBQAAAAIAAAAIQDof4He1wAAAFIBAAAPAAAAeGwvd29ya2Jvb2sueG1sjY7BTsQwDETv/QrLd5oWEIKq6V4Q0t72AB8QGncbbRJXdoDy94jtsmdOI3k8b6bfrSnCJ4kGzhbbukGgPLIP+Wjx7fXl5hFBi8veRc5k8ZsUd0PVf7Gc3plPsKaY1eJcytIZo+NMyWnNC+U1xYkluaI1y9HoIuS8zkQlRXPbNA8muZBxI3TyHwZPUxjpmcePRLlsEKHoSuCsc1gUhwoA4DrvIOBdofapubc4uaiE5vJyXqLDppBdIosHF0QRzqe9t9giSBe8Rdn7u2vSXKJVb/56NufX/QFQSwMEFAAAAAgAAAAhALrC5Vx9AAAAkQAAABAAAAB4bC9jYWxjQ2hhaW4ueG1sPcxBDsIgEADAu68gexeqB2MMtAcTX6AP2NC1kLALYYmpv/fmPGD8snMxH+qaqwQ42QkMSaxrli3A6/k4XsHoQFmxVKEAX1JY5oOPWOI9YRazcxENkMZoN+c0JmJUWxvJzuVdO+NQW/vmtHXCVRPR4OLO03RxjFlg9u6/zT9QSwMEFAAAAAgAAAAhAILoPmfwAAAAzgIAABoAAAB4bC9fcmVscy93b3JrYm9vay54bWwucmVsc62Sz0rEQAzG7z7FkLuddhUR2XEvIuxV6wMMbdoZdv4xidq+vbDrbqtU8NBcQr7Dlx9fst0N3okPzGRjUFAVJQgMTWxt6BW81c/X9yCIdWi1iwEVjEiwe7zavqDTbGMgYxOJwbtACgxzepCSGoNeUxEThsG7LmavmYqYe5l0c9A9yk1Z3sk894BfpmLfKsj7tgJRjwn/Yx67zjb4FJt3j4EXdkg26BFErXOPrOA4nsSqGLwD+QfEZk0I4tEhTRSn+bxffNcix82aHJ8xH8gg8oRykUge2zmVRZjbVUMxOmP7ytmGfp7NXL6cSP74vimzL1BLAwQUAAAACAAAACEArbSr59MGAABqNgAAEwAAAHhsL3RoZW1lL3RoZW1lMS54bWztW09v2zYUv/dTELy3/p8mQdQidpJ2a9IGiduhx2eJlthQpEDSSXwb2uOAAcO6YZcBu+0wbCvQArt0n6Zbh60D+hUGWrYryZLMtJmbNskhgCm+33t8//lkr10/Dhk6JFJRwR1cu1LFiHBXeJT7Dr7b3bq8jJHSwD1gghMHD4nC169dWoNVHZCQoOOQcbUKDg60jlYrFeUGJAR1RUSEH4esL2QIWl0R0q94Eo4o90NWqVerS5UQKMeIQ0gcfKffpy5BXQOJr11CCKEJh01GQsK1ilfHT1wm9w0jkqIfUyb2eQe19Np4XQ1Vh0l0CMzBR5R74qhLjjVGDJTuMOng6ugPVzKIlRzINVhl2pZNgsXW6C+PxQzc6CT1fBbS70151LaaK1c38qWu50htAbm5udnZrOVLOQsJrkt4kTKSsM2t5Vo7V9JciCm0hcSdaqvaLIEukroxH3ql3W63VoqhGwXQzfnQy9Wl5nq9GLpZAN2y0HV7vdNZKoZuFUAvzYfeurqy1CyBzkCswWrAKD+YD2yiLz84cgDWYLUv2E075OVqtbqcG9mzGGZ1mmpSCagvuLbKQCE8EHJLcJ0rGQNNOdLDiPTBJQ7uQNiTFLLSjXcTSGwt2OOq+XuM8Ei5kkbawZ9GwHGC5vXzn18/f4peP3/y4uGzFw9/e/Ho0YuHv9og3QTuJ5Fe/fjVv99/jv55+sOrx99YAqgkwJ+/fPHH719bUuok5ctvn/z17MnL7778+6fHNvTrEnpJ+i4NiUK3yRHaEyFwKxFI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Object mode orders rows by key (the underlying map is sorted); switch to array mode if you need the original order.
Frequently asked questions
Why is the row order different from the JSON?
Object mode emits keys in lexicographic order (serde_json maps are sorted); use array mode or a 2-D array to keep input order.
What about nested objects?
They are serialised to JSON text inside the cell, e.g. {"c":3} becomes one text cell — no flattening.
Can it take several objects?
Object mode accepts a single object; for several objects use array mode (array of objects) or the arr2excel tool.
Keywords：json对象转excelobj2excel键值对转xlsxwasm