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CODINGNOW JSON Formatter
Format, validate & explore JSON — 100% in your browser
A free, single-file JSON formatter, validator and tree viewer. Pretty-print or minify, jump to the exact line:column of any error, and browse big JSON in a collapsible, color-coded tree. Everything runs in your browser — no upload, no signup, no ads.
Maker here 👋 I built this because I disliked pasting API responses (often with
tokens) into JSON formatters that upload to a server. This one does it all
client-side: format/minify, validation that points to the exact line:column, a
collapsible tree view, copy/download, drag-and-drop. Single static HTML, zero deps.
It's one of a few free, no-signup tools I make (image converter, audio cutter, QR
generator). Would love your feedback — especially edge cases in the validator.
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About CODINGNOW JSON Formatter on Product Hunt
“Format, validate & explore JSON — 100% in your browser”
CODINGNOW JSON Formatter was submitted on Product Hunt and earned 5 upvotes and 1 comments, placing #102 on the daily leaderboard. A free, single-file JSON formatter, validator and tree viewer. Pretty-print or minify, jump to the exact line:column of any error, and browse big JSON in a collapsible, color-coded tree. Everything runs in your browser — no upload, no signup, no ads.
CODINGNOW JSON Formatter was featured in Productivity (653.8k followers), Open Source (68.5k followers) and Developer Tools (514k followers) on Product Hunt. Together, these topics include over 224.6k products, making this a competitive space to launch in.
Who hunted CODINGNOW JSON Formatter?
CODINGNOW JSON Formatter was hunted by 코딩나우(하늘아래). A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
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코딩나우(하늘아래)