Jsonlz4 File 3,6/5 9896 reviews
Firefox creates frequent backups of your bookmarks. Automatic backups are compressed using Mozilla's flavor of LZ4 compression (.jsonlz4 file extension), while backups you create yourself (in the Library window) are not compressed (.json file extension by default). This tool can convert a backup file to the HTML export format.
Upload JSON file, Upload url of JSON and view in Tree Structure. This is also a JSON visualizer tool to visualise, Search JSON in Tree View. And Sometime 'jason viewer' is the same as 'JSON Viewer'. Know more about JSON. JSON Example with all data types including JSON Array. Python Pretty Print JSON; Read JSON File Using Python. OTOH, it is completely non-trivial to actually get back your own data from these.jsonlz4 files. – cnst Oct 6 '18 at 2:23. JsonLZ4 was a bad idea. – neverMind9 Mar 11 '19 at 23:31. I'd agree with 'it's custom, not proprietary'. Irrespective of it not being widely used or supported. Automatic backups are compressed using Mozilla's flavor of LZ4 compression (.jsonlz4 file extension), while backups you create yourself (in the Library window) are not compressed (.json file extension by default). This tool can convert a backup file to the HTML export format. Step 1: Load File.
Step 1: Load File
Drag and drop one .jsonlz4 (or .json) bookmark backup file onto the empty text box, or use the Browse... button on the right. () This file is not sent to the network, it is only read within this page in Firefox. Performance Note: Decompressing files and working with large sets of bookmarks is processor intensive, so please be patient. If the fan won't stop running or results take longer than 15 seconds, you can close the tab and launch the document again.
Note: To try a different file, reload this page (Windows: Ctrl+r. Mac: Command+r). Or click the reload button in the address bar.
Step 2: Convert / Repair / Save Your Bookmarks
HTML 'Export' Format:
Older backups: (
Currently does not embed icon data.
JSON 'Backup' Format:
For files Firefox cannot restore
Extract Keyworded Bookmark List:
(HTML format)Jsonlz4 File Firefox
Extract Feeds (backups from Firefox 63 and earlier):
(plain text format) (please also save the list format just in case)Firefox creates various session history files as you browse, and then at shutdown creates sessionstore.jsonlz4. In Firefox 56+, the files are compressed using Mozilla's flavor of LZ4 compression (.jsonlz4 or .baklz4 file extension). The JSON data contains rich detail about your session, but this page is targeted toward extracting just the page URLs.
Step 1: Load File
Drag and drop one session history file onto the empty text box (), or use the Browse... button on the right. This file is not sent to the network, it is only read within this page in Firefox.
Note: To scrounge a different file, reload this page (Windows: Ctrl+r. Mac: Command+r). Or click the reload button in the address bar.
Step 2: Extract URLs / Save Session Links
HTML list options:
HTML list commands: (Fallback: )
Import Jsonlz4 File To Firefox
JSON file:
Convert Jsonlz4 File To Html
Extracted using https://www.jeffersonscher.com/ffu/scrounger.html