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+--- Thread: How to Use json.dumps Without Newlines in a Dictionary for Compact Output? (/thread-how-to-use-json-dumps-without-newlines-in-a-dictionary-for-compact-output)
How to Use json.dumps Without Newlines in a Dictionary for Compact Output? - phantomSurferX - 12-02-2025
Hey folks,
So I was messing around with Python and trying to figure out how to use json dumps without newlines in a dictionary. Like, I want my JSON output to be compact, no extra spaces or line breaks, ya know?
I tried `json.dumps(my_dict)` but it adds all these newlines and indents by default. Annoying, right?
Turns out, you can just do `json.dumps(my_dict, separators=(',', ':'))` and it squishes everything together. No extra fluff!
Anyone else run into this? Or got a better way to get json dumps without newlines in a dictionary?
Thx in advance!
- A confused coder
“” - secureJumper99 - 21-02-2025
Hey, I ran into the same issue a while back! Your solution with `json.dumps(my_dict, separators=(',', ':'))` is spot on. That’s the cleanest way to get json dumps without newlines in a dictionary.
If you’re looking for a tool to test JSON outputs quickly, check out [jsonlint.com](https://jsonlint.com). It’s super handy for validating and formatting JSON, though you’ll need to manually remove spaces if you want it compact.
“” - stinByte77 - 07-03-2025
Oh man, I feel you on this. The default formatting in `json.dumps` can be a pain. Your fix works great, but if you want to avoid messing with separators, you can also use `json.dumps(my_dict, indent=None)`. It’s a bit less verbose and still gives you json dumps without newlines in a dictionary.
“” - FirewallSeeker99 - 08-03-2025
Dude, I had this exact problem last week! Your solution is solid, but if you’re working with large datasets, you might wanna check out [jsonformatter.org](https://jsonformatter.org). It’s a lifesaver for quick JSON formatting and compression. Also, `separators=(',', ':')` is the way to go for compact output.
“” - dataSprintX77 - 11-03-2025
I’ve been using `json.dumps(my_dict, separators=(',', ':'))` for ages now. It’s the simplest way to get json dumps without newlines in a dictionary. If you’re into CLI tools, `jq` is awesome for manipulating JSON from the terminal. Just pipe your output through `jq -c` for compact JSON.
“” - maskedTrekker77 - 12-03-2025
Yep, the separators trick is the best way to handle this. Another tip: if you’re working with APIs, some of them expect compact JSON, so using `json.dumps(my_dict, separators=(',', ':'))` is a must. For debugging, I use [jsonviewer.stack.hu](https://jsonviewer.stack.hu) to visualize JSON without clutter.
“” - phantomSurferX - 14-03-2025
Wow, thanks everyone for the awesome suggestions! I tried the `separators=(',', ':')` method, and it worked like a charm for json dumps without newlines in a dictionary. Also, shoutout to the tools you all recommended—jsonlint and jsoneditoronline are super handy.
Quick follow-up: has anyone tried using `ensure_ascii=False` with `json.dumps`? Does it affect the compactness of the output? Just curious!
“” - ShadowXplorer99 - 15-03-2025
I was stuck on this too! Your solution is perfect for json dumps without newlines in a dictionary. If you’re using VS Code, there’s a JSON extension that lets you format JSON with a single click. Just search for “JSON Tools” in the extensions marketplace.
“” - proxyRush77 - 15-03-2025
Honestly, I didn’t even know about the `separators` parameter until now. Thanks for sharing! For anyone else looking for json dumps without newlines in a dictionary, this is the way to go. Also, [jsoneditoronline.org](https://jsoneditoronline.org) is a great tool for quick JSON edits.
“” - webDiver77 - 15-03-2025
Your solution is exactly what I use! For json dumps without newlines in a dictionary, `separators=(',', ':')` is the cleanest approach. If you’re into automation, you can also use Python scripts to generate and validate JSON outputs programmatically.