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Show HN: MyPDFBoy – Free PDF redaction that deletes the data

https://mypdfboy.com/
2•stanguc•2h ago
Most free PDF "redaction" tools just draw a black box on top. The text is still there -- select all, paste, done. MyPDFBoy actually removes content from the PDF content stream. What's gone is gone.

Upload a PDF, draw rectangles over what you want removed, download. Free, no account, 5 languages including Arabic RTL.

https://mypdfboy.com

Built with React + FastAPI + PyMuPDF. Would love feedback on the UX.

Why the Most Valuable Things You Know Are Things You Cannot Say

https://deadneurons.substack.com/p/why-the-most-valuable-things-you
2•nr378•5m ago•0 comments

Show HN: DocMason – Agent Knowledge Base for local complex office files

https://github.com/jetxu-llm/docmason
2•Jet_Xu•5m ago•0 comments

Turn safety data sheets into structured JSON via API

https://turninto.dev/
1•VelaA•6m ago•0 comments

Gemma 4 running client-side in WebGPU

https://huggingface.co/spaces/webml-community/Gemma-4-WebGPU
4•astlouis44•7m ago•0 comments

Neuronal APOE4-induced early hippocampal hyperexcitability in Alzheimers disease

https://www.nature.com/articles/s43587-026-01096-0
1•bookofjoe•7m ago•0 comments

Show HN: A game where you build a GPU

https://jaso1024.com/mvidia/
3•Jaso1024•8m ago•0 comments

12,000 AI-generated blog posts added in a single commit

https://github.com/OneUptime/blog/commit/30cd2384794c897d95aca77d173db44af51ca849
4•noslop•9m ago•0 comments

Meta: A Cautionary Tale [video]

https://www.youtube.com/watch?v=DNCQ5kV-cKs
1•raydev•10m ago•1 comments

Rust terminal projects in 3 years

https://blog.orhun.dev/800-rust-projects/
1•birdculture•11m ago•0 comments

What Happened with the Axios Compromise

https://twitter.com/aakashgupta/status/2040171739926393151
1•CPLX•12m ago•0 comments

Show HN: DocMason – AI Agent Knowledge Base for local complex office files

https://github.com/JetXu-LLM/DocMason
1•Jet_Xu•12m ago•0 comments

GB Renewables Map

https://renewables-map.robinhawkes.com/#5/55/-3.2
1•DamonHD•13m ago•0 comments

There Is a RAM Shortage

https://www.npr.org/2026/02/21/nx-s1-5719256/theres-a-shortage-of-ram-computer-memory-how-is-this...
3•paulpauper•15m ago•0 comments

Tokens: The New Oil – By Kent Beck

https://tidyfirst.substack.com/p/tokens-the-new-oil
2•paulpauper•16m ago•0 comments

Show HN: Termtrace – Record and replay terminal sessions as traces

1•amalChandru•16m ago•0 comments

Six Flags Was a Summer Destination. Can It Win Families Back?

https://www.nytimes.com/2026/04/02/business/six-flags-parks-closing-debt-attendance.html
1•duxup•19m ago•2 comments

In the Gulf, GPS jamming leaves delivery drivers navigating blind

https://restofworld.org/2026/gps-disruption-gulf-gig-workers/
1•donohoe•19m ago•0 comments

Show HN: SFS – A FUSE-based filesystem with SSH transport writen in Rust

https://github.com/skorotkiewicz/sfs
2•modinfo•21m ago•0 comments

Carbible.net: Car Guide

https://carbible.net/
1•polyspora•21m ago•1 comments

Iran is a distraction [video]

https://www.youtube.com/watch?v=koa2wUeWJL8
1•teleforce•22m ago•0 comments

Milgram's subjects were never aligned

https://hollisrobbinsanecdotal.substack.com/p/milgrams-subjects-were-never-aligned
1•mattas•22m ago•0 comments

What an Ivy League Education Gets You

https://www.theatlantic.com/ideas/2026/04/ivy-league-education-income/686682/
2•paulpauper•22m ago•1 comments

Octopus Energy's Agile Prices

https://agileprices.co.uk/
4•jonatron•23m ago•0 comments

How much it costs to attend a game at every MLB ballpark

https://visityourteam.com/mlb/rankings/game-day-costs
1•smarthomeu•23m ago•0 comments

Show HN: Detect7 – automatic DDoS protection layered on Cloudflare

https://detect7.com/
1•rk-baku•23m ago•0 comments

Environment as a Service: Agent as the Interface

https://blog.dreambubble.ai/en/posts/environment-as-a-service-agent-as-the-interface
1•qingant•23m ago•1 comments

The White House App Is Riddled with Cybersecurity Vulnerabilities

https://www.notus.org/technology/trump-white-house-app-cybersecurity
2•OrangePilled•24m ago•0 comments

Starlink Replacement: Russia Develops Stratospheric UAV Relay

https://en.topwar.ru/278156-zamena-starlink-v-rossii-razrabotali-stratosfernyj-bpla-retransljator...
1•B1FF_PSUVM•27m ago•0 comments

AI Models Choose Which Businesses to Recommend

https://driftspear.com/blog/how-ai-models-choose-which-business.md
4•woktalk•28m ago•0 comments

map of notable peoples birthplaces around the world.

https://tjukanovt.github.io/notable-people
3•BoredPositron•31m ago•0 comments