JSON compression for URL

0-url-json-compress-client-node.js

import zlib from 'node:zlib';
import example from './example.json' assert { type: "json" };

const text = JSON.stringify(example);

const compressed = zlib.gzipSync(text).toString('base64').replace(/\//g, '_').replace(/\+/g, '-').replace(/=/g, '');

// H4sIAAAAAAAAE-3KsQ2AIBCG0V3-GhPu1ObmsJJQkGBhb2fcXRZggy955Suv7q7Y9qTenkshz74u2YfDLMyHU1_i8Xg8Ho_H4_F4PB6Px-PxeDwejzd99Qd5g3u1cRcAAA

1-url-json-compress-client-browser.js

import { gzip } from 'pako';
import example from './example.json' assert { type: "json" };

const text = JSON.stringify(example);

const compressed = btoa(String.fromCharCode.apply(null, gzip(text))).replace(/\//g, '_').replace(/\+/g, '-').replace(/=/g, '');

// H4sIAAAAAAAAE-3KsQ2AIBCG0V3-GhPu1ObmsJJQkGBhb2fcXRZggy955Suv7q7Y9qTenkshz74u2YfDLMyHU1_i8Xg8Ho_H4_F4PB6Px-PxeDwejzd99Qd5g3u1cRcAAA

example.json

[{"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}, {"id": 45, "date": "2023-02-02T11:12:12Z"}]

server.py

import base64
import gzip

text = 'H4sIAAAAAAAAE-3KsQ2AIBCG0V3-GhPu1ObmsJJQkGBhb2fcXRZggy955Suv7q7Y9qTenkshz74u2YfDLMyHU1_i8Xg8Ho_H4_F4PB6Px-PxeDwejzd99Qd5g3u1cRcAAA'

padding = 4 - (len(text) % 4)

gzip.decompress(base64.urlsafe_b64decode(text + ('=' * padding)))