Developer Tools1 month ago
JSON Wallet — Free Online JSON Editor & Formatter
Paste JSON code to edit, format, validate and transform in your browser without uploading data.
@bhushankuma491 · X
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Paste JSON code to edit, format, validate and transform in your browser without uploading data.
@bhushankuma491 · X
Paste an ad to get an AI roast with a Butter Score, then rewrite it for better conversions.
@HowardYHuang · X
Save links, notes, screenshots, and voice memos with automatic transcription. AI summaries, smart tags, encrypted password vault, public sharing, and Google Drive sync. Free plan —
@aliuagon_ · X
Mask API keys, passwords, and tokens locally before sending to AI chat tools.
@souvik_ghosh975 · X
A small Chrome extension with one job: stop accidental secret leaks into AI chats. That's Secret Sanitizer 🥷.
Paste Mermaid source to preview live and share permanent links without signup.
u/mrtrompo · Reddit
MermaidBin, a pastebin for Mermaid diagrams I built MermaidBin ( https://mermaidbin.com ) because I often wanted to share a Mermaid diagram without taking a screenshot or depending on the destination to render Mermaid. It gives immediate browser-side preview, then creates a stable page and `.svg` URL for Markdown embeds. No account is required; pastes are public by default or can be unlisted. It can also be used in this age of AI where most AI generated code for technical document uses Merm
Copy a widget or AI agent snippet to add to your website.
@TiyebDomainking · X
The AI widgets your site is missing.
Write once, export to notebooks, slides, PDFs, PPTX, DOCX, or canvas.
@mr_wickedhacks · X
Write the doc once → get a notebook, slide deck, canvas, or resume from the same source. No rewriting for every format.
Batch edit videos with AI: remove silence, auto-generate captions, and export multiple videos at once.
shayannadeem321 · HN
BatchEdits – Batch AI video editor to edit content in volume
Collaborative LaTeX editor with Markdown support, real-time editing, and built-in reference management.
danielszabo · HN
Online editor with LaTeX, Markdown, LaTeX+Markdown Hybrid and WYSIWYG (MD only) support, AI assistant with resource lookup and anti-hallucination features, live collaboration and more fun things. Still in quite early beta. First institutional deployment scheduled in the autumn. Feel free to play around.
Send self-destructing notes and files with zero-knowledge encryption and screenshot protection.
minpym · HN
Flashpaper – Self-destructing secret sharing with no database
Create comic strips by typing descriptions with automatic character placement and dialogue bubbles.
ChrisPirillo · HN
I rebuilt Microsoft Comic Chat's layout engine in one HTML file
Production-ready motion for Remotion. Source you own. Remotion compositions and motion components. Install social clips, captions, and scenes with the CLI. Source you own, frame by
@riaz_exorous · X
Not startup, but for @Remotion users. Try