
JSON Validator, Formatter & Repair — JSONValidator.in
Validate, format, and repair JSON instantly in your browser.
@AniketMishra00 · X
world's first JSON Intelligence platform.
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Validate, format, and repair JSON instantly in your browser.
@AniketMishra00 · X
world's first JSON Intelligence platform.

Paste messy AI/LLM output and get clean, valid, beautifully formatted JSON — with a plain-language explanation of every fix. Optional JSON Schema validation. Runs entirely in your
@SNSTRR88 · X
Recast: a browser tool that cleans messy LLM JSON and lists every fix. Nothing uploaded.

Analyze Reddit, HN, and App Store feedback to validate your startup idea.
@daicandev · X
Building proven, the tool that gets your product from idea to growing income

110+ free developer tools including JSON formatter, JWT decoder, and regex tester that run entirely in your browser.
@abhilakshharora · X
Just launched DevTab on Product Hunt 🚀 110+ dev tools that run 100% in your browser. Zero server calls. No signup. Free forever. Would love your support 🙏 → #buildinpublic #DevTools

Zero-setup JSON database for AI-generated app frontends with encrypted persistence.
@dhairyadarji786 · X
Tired of database setup for simple AI/Cursor prototypes?I built CloudState: a zero-config cloud database for vibe-coding. ⚡Get a secure JSON endpoint in 10s 🤖 Custom prompts for Cursor/Bolt/v0 to sync state via fetch Check it out:

A fast, free, and modern collection of 100+ developer tools: JSON formatting, encoding, generators, converters, and more. No login required.
@messoudkhan · X

Format JSON, minify code, test regex, merge PDFs and more: free, fast, privacy-first developer tools.
@546_md · X
I recently launched CodeToolsStudio, a collection of privacy-first developer tools for things like JSON, JWT, Regex, Base64, timestamps and more. you can test it here: 🌐 I'd genuinely appreciate feedback on what you'd improve or add to it

Collect customer testimonials and embed them on your website with a single script tag.
@aimicrotool · X
Just launched ProofResult 🚀 Collect testimonials from your customers and embed them on your site with a single <script> tag. No login required for them, no iframe. Free while I gather feedback from early users. #buildinpublic #indiehackers

Validate product ideas against public user discussions to decide whether to build, narrow scope, or pivot.
@_sunbo · X
I built ProductIdeaScout to help founders validate product ideas before they start building:

AI-powered code review tool for JavaScript and TypeScript repositories that identifies issues without executing code.
@adib_011 · X
Built RepoLens at the Codex Meetup, an evidence-first JS/TS code review tool that shows reviewers where to look, without executing repository code. Built with Codex + GPT‑5.6. Try it: Demo: @OpenAIDevs @mitul_shahriyar #CodexMeetup

Collect and organize customer testimonials with shareable forms.
@xpj_nath · X

Validates startup ideas by analyzing Reddit and X discussion data.
@n0ur_salama · X
built to get u paid