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Show HN: Convert between Mermaid, draw.io, and Excalidraw diagrams

https://diagram-bridge-project-new.vercel.app
1•Redkee•1h ago
Hi HN, I built a diagram converter that translates between Mermaid, draw.io, and Excalidraw.

What it does: 1.Converts between Mermaid, draw.io, and Excalidraw formats 2.Currently supports: Flowcharts and graph-based diagrams 3.Preserves semantic structure and layout in most cases.

Why I built it: Honestly, I was tired of copy-pasting and redrawing diagrams when switching contexts. Plus, many AI coding tools (Claude, Cursor, etc) only generate Mermaid diagrams inside the chat, and sometimes I want the diagrams to be more verbose.

Current state: Working MVP with Flowcharts and graph-based diagrams support

What I'm asking: 1.Does this solve a problem you actually have? 2.What formats/features would make this essential for your workflow? 3.Any issues/bugs/potential improvements you observe?

I'd love honest feedback—even if it's "this isn't useful because X." Trying to validate if this is worth building out further or if I should pivot to something else.

Oilfield Units: a measurement system so cursed it made me change career

https://www.youtube.com/watch?v=sdWEGzWFcCc
1•fanf2•1m ago•0 comments

Show HN: Gossip: Email-to-Webhook Bridge

https://app.v3m.pw
1•idrissmbellil•2m ago•0 comments

Free CDN for open-source projects

https://hopjs.bunny.net/
3•mustaphah•3m ago•0 comments

Denmark plans social media ban for under-15s

https://www.theguardian.com/world/2025/oct/07/danish-pm-plans-to-ban-social-media-for-under-15s-w...
4•2OEH8eoCRo0•3m ago•0 comments

Different mushrooms learned the same psychedelic trick

https://theconversation.com/how-different-mushrooms-learned-the-same-psychedelic-trick-266401
2•gmays•6m ago•0 comments

Supercritical subsurface fluids open a window into the world

https://phys.org/news/2025-09-supercritical-subsurface-fluids-window-world.html
1•PaulHoule•6m ago•0 comments

Culture

https://danielpaul.cz/
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The CRM personality mismatch (and a fix)

1•vedranXYZ•9m ago•0 comments

Beyond the SQLite Single-Writer Limitation with Concurrent Writes

https://turso.tech/blog/beyond-the-single-writer-limitation-with-tursos-concurrent-writes
1•syrusakbary•10m ago•0 comments

Temporal-Spatial Locality in Database Design

https://brooker.co.za/blog/2025/10/05/locality.html
1•KraftyOne•11m ago•0 comments

Mouse could eavesdrop on you and rat you out

https://www.theregister.com/2025/10/07/mouse_microphone_security/
2•Weves•12m ago•1 comments

Using Python 3.14 template strings to write Python

https://leontrolski.github.io/trolskgen.html
1•leontrolski•13m ago•0 comments

The first AI hardware engineering intern

https://www.flux.ai/p
6•built_with_flux•13m ago•1 comments

I analyzes how different LLMs bluff, lie, and survive in the game Liar's Bar

https://liars-bar-one.vercel.app
1•cyw•18m ago•1 comments

We Created Turso, a Rust-Based Rewrite of SQLite

https://thenewstack.io/why-we-created-turso-a-rust-based-rewrite-of-sqlite/
2•rmason•20m ago•0 comments

What Teachers Think About Equitable Grading Policies

https://www.edweek.org/teaching-learning/heres-what-teachers-really-think-about-equitable-grading...
2•donsupreme•20m ago•0 comments

Microschools Are the Hacker Fringe of Education

https://johnwdanner.medium.com/microschools-are-the-hacker-fringe-of-education-5a1b5bf980ef
1•rmason•21m ago•0 comments

Sam Altman gets honorary doctorate from UAE AI university MBZUAI (mbzuai.ac.ae)

https://mbzuai.ac.ae/news/khaled-bin-mohamed-bin-zayed-witnesses-mohamed-bin-zayed-university-of-...
2•rlhf•23m ago•1 comments

Appointment of Bari Weiss confirms shift to the right of mainstream media

https://english.elpais.com/economy-and-business/2025-10-07/appointment-of-anti-woke-bari-weiss-to...
4•geox•25m ago•1 comments

The Z-Combinator Gambit

https://clojurecivitas.github.io/code_interview/beating/with_stupid_stuff/z_combinator_gambit.html
2•adityaathalye•26m ago•0 comments

The Popularity of Turning Captions On (2024)

https://www.cbsnews.com/news/subtitles-why-most-people-turn-tv-captions-on/
1•redbell•26m ago•1 comments

WireTap: Breaking Server SGX via DRAM Bus Interposition

https://wiretap.fail
1•CharlesW•31m ago•0 comments

A tiny recursive reasoning model achieves 45% on ARC-AGI-1 and 8% on ARC-AGI-2

http://alexiajm.github.io/2025/09/29/tiny_recursive_models.html
5•stared•31m ago•0 comments

Cows Wear High-Tech Collars Now

https://www.nytimes.com/2025/10/05/technology/cows-ai-collars.html
1•reaperducer•31m ago•0 comments

LocalPDF – Privacy-first PDF tools that work in browser

https://localpdf.online
2•ulinycoin•34m ago•1 comments

YC Founders and Ruby Friends at SF Ruby Conf

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11•nonconstant•36m ago•4 comments

NextGen Acela rides on old-gen infrastructure

https://www.fastcompany.com/91413859/acela-amtrak-train-new-york
2•ohjeez•41m ago•0 comments

Daily routines of well-known people

https://routines.club
1•andrewstetsenko•44m ago•0 comments

Ask HN: How many of you now use AI over doctors

2•wonderwonder•45m ago•6 comments

[Open Source]Echo Mode – a middleware to stabilize LLM tone and persona drift

https://github.com/Seanhong0818/Echo-Mode
1•teamechomode•48m ago•1 comments