
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.

AI tool that validates startup ideas, finds competitors, and suggests business pivots.
@ArchieHashani · X

Eight free browser-based tools including JSON formatter, password generator, and color picker.
@Supportpintutec · X
Just launched QuickTools — 8 free online tools 🛠️ Word Counter • JSON Formatter • Password Generator • Color Picker 100% browser-based, no signup 🔗 #SideProject #WebDev #FreeTools #BuildInPublic

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

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

Validate hosting and domain provider limitations to find hidden fees and restrictions.
@devmilon923 · X
Free hosting & domains often come with hidden limitations. I built Specrux to make them easier to understand. 🔗 Beta version—feedback welcome!

Analyze Python code across 14 quality dimensions to detect violations and measure capabilities.
@KSFirasa · X
Hello! I built a tool that profiles code (python only atm) across 14 dimensions detecting violations and capabilities outputting a full report. A bit more nuanced than "AI-powered insights". Free while in beta. Thank you!

Rewrite text contextually, find invisible Unicode characters, and clean formatting artifacts with focused, reviewable text tools.
@harshitwrk · X
building TextTrace - paste in AI-generated text and inspect what actually came with it: hidden characters, weird unicode, formatting artifacts and possible watermark-related signals. live now:

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

Design vector graphics with AI text-to-SVG generation and multi-format editing in your browser.
u/Every-Comment5473 · Reddit
I think I may have finally found a fully free alternative to BoxySVG. I came across this browser-based free SVG editor from svgmaker , and it feels pretty close to Apple Freeform in the way the canvas, grids, snapping, and alignment work. It also lets you edit paths, points, text, colors, shapes etc. Most of the things I used to open BoxySVG for, I can now do in this one—and it’s completely free. Honestly, I wasn’t expecting it to be this capable, especially since most AI image generation

Free calculators to help homebuyers understand their offer before submitting.
u/Offer-Buildr · Reddit
I built a free suite of home offer calculators because I felt that most mortgage calculators answer the wrong question I started and run a small free tool called "Offer Buildr" that helps homebuyers understand an offer before their agent writes it. The core builder turns a listing price into true monthly cost and cash to close, then walks the ten decisions in an offer and prints a one page summary to hand your agent. Last week I shipped the piece I wish I had started with: five single-ques