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JSON Viewer

Visualize, edit and format JSON data right on your Android device. **If you have any suggestions, please e-mail us!**
Use copy/pasting, open it from sd card or load from an URL to get the JSON into the app, then you can use the auto-format function or remove whitespaces. At any time you can switch to tree-view to see the structure of your data. Also you can now view JSON files sent as e-mail attachments.

This app is for you if you are a developer, if you need to test a web service from time to time, or are just interested in JSON data format.

JSON (JavaScript Object Notation) is a lightweight data-interchange format. It is easy for humans to read and write. It is derived from the JavaScript scripting language for representing simple data structures and associative arrays, called objects.

We are using Android Tree View List by Polidea. Copyright (c) 2011, PolideaAll rights reserved.

Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:

Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

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Reviews (29)

And. R. Oct 6, 2014     

Cant open files or find open file (whit normal select of file, because nothing works in that screen).

Ben. L. Jul 10, 2013     

Both editing Jason and viewing don't feel natural. For editing it should use a custom keyboard. For viewing it should have a better ui.

A. G. u. Jul 18, 2012     

Does perfectly just what it says. Would just be great to be able to save the edits too. I wasn't able to find that function.

Kei. G. Mar 20, 2015     

Unusable. I have an sdcard, yet it wouldn't read it. So, I couldn't save work. Crashed every time I tried to format because entries were not surrounded by quotes. When I did quote entries and press format it pulled up the default json object that the app starts with.

Chr. K. Nov 3, 2014     

Would be nice if we could edit in format of viewer.

Set. M. R. Jan 26, 2014     

Would love to see adding accept headers for using it as a rest client when it returns json. Wonderfull ap.

Tim. B. May 30, 2015     

so, i downloaded and installed it fine. when i go to open a json file it says it cant show me a list and asks if i have an SD card installed. my device does not have a slot for an sd card! cant view any json file. it should not matter if we have SD cards or not.

Kyl. M. Jun 17, 2014     

Is this a joke? I try to open a file and that's the error I get. I have 32GB of internal storage and I can't open a file from there.

Luk. L. M. Nov 7, 2014     

Useless for me; like other reviewers, on my 4.4.4 phone it just claims there's no SD card.

Bai. G. Jul 24, 2013     

I cannot save the files, help me please

Mar. D. Jan 6, 2014     

Simple, bud does the job very well.

Sum. W. Apr 30, 2015     

Great for viewing Json data in a good format.

Dav. Dec 3, 2012     

Doesn't allow saving after edit

Pau. M. Sep 7, 2015     

Does not work with lollipop. Do you have an sd card?

Mar. H. Jun 16, 2016     

Touchy to work with.

Jon. C. Apr 9, 2015     

What a joke. What about internal storage?

A. G. u. Oct 21, 2012     

How exactly do you save after you edit?

Ken. W. Nov 21, 2015     

Do you have an SD card?

RAN. F. Oct 9, 2015     

What the f***

A. G. u. Jul 6, 2012     

The app works great. And was just updated to open .Json files directly from apps.

Sum. P. Jul 28, 2014     

It is looking for an external sd card. My phone doesn't support that instead has internal 32 gb storage. Can't use the app to the fullest..

Gle. M. Dec 6, 2014     

This viewer is superb. Just a touch to go between plain or formatted JSON text, or to the tree view which has collapsible nodes. Simplicity itself!

Ant. B. Jul 8, 2015     

I can't even pick the file, a lot of errors in toasts, annoying loading banner for 1 page application etc.

Mic. C. Dec 27, 2015     

I paste my json from clipboard, press format and the json switched back to the default one on the app. Useless crap.

KiT. S. Sep 13, 2015     

Never worked. Kept saying I have no SD card.

Zak. K. Nov 17, 2015     

Same error message as others have mentioned.

Mri. A. Nov 4, 2016     

But can't figure a way to open the files with this so its useless until then..

Ari. N. Oct 26, 2014     

Useless to me.

And. D. Oct 27, 2014     

Won't load files on the device.