offlineutils.com
100% local-browser utilities. No data upload.
offlineutils.com launched on June 28, 2026 with 1 votes.
What it does
A privacy-first suite of 100% local-browser utilities. Format JSON, decode JWTs, hash strings, generate passwords, edit PDF, and more — without uploading a single byte. Free, no ads, no cookies, and no tracking.
A privacy-first suite of 100% local-browser tools for developers and creators — format JSON, decode JWTs, convert data, edit images, and merge, split & secure PDFs — without uploading a single byte. Free, no cookies.
Convert, mix, shade and build palettes — OKLCH-aware, copy-ready CSS. Visual CSS generators — gradients, shadows, radius, glass — copy-ready. Merge, split, organize, convert and secure PDFs — all in-browser. Plain-English definitions of Base64, JWT, UUID, regex, hashing, JSON, OKLCH, PDF and OCR — each cross-linked to the tool that works with it. Deep dives on offline-first developer tools, browser APIs, and privacy-first engineering. When a tool runs in your browser, nothing is uploaded — so you can paste production secrets, customer payloads, or private documents without worrying about logs, breaches, or third-party access. Verify it yourself: open DevTools → Network, use any tool, and…from offlineutils.com
Does a similar job
all alternatives →
PureDevUtilsAug 2026 · puredevutils.com · ▲1Free browser-based dev tools that never upload your data.
More dev tools this month
the category →
open-source IDE for thoughtful software design. Contribute to devdotfast/whiteboard development by creating an account on GitHub.
Dev tools · 28d ago · github.com
Contribute to reladraw/reladraw development by creating an account on GitHub.
Dev tools · 26d ago · github.com
OpenBot▲362Grok Bot alternative: free, local, open-source, multiplayer
Dev tools · 23d ago · openbot.run
Talanoa▲346Hi HN, I’m a fullstack developer, and honestly, I’ve lost count of how many side projects I’ve worked on over the years. But one idea kept coming back to me: a different kind of email client. It first came to me in 2014: “What if we could handle emails more like conversations?” Every year, I’d revisit this concept in my “Build Notes.” Ten years later, no one had built exactly what I had in mind — so I finally decided to do it myself. That’s how Talanoa was born. I wanted something focused on people, not timelines. I was tired of marking messages as unread just to remember to reply later, or…
Dev tools · 21d ago · talanoa.email
CoreSpeed▲332One MCP for everything your agents need: apps, memory, tools
Dev tools · 28d ago · corespeed.io
Source: Product Hunt launch ↗
Launched alongside, June 2026
the whole month →
Fundraisly▲1,537AI fundraising agent that finds investors and books meetings
AI · Jun 2026 · fundraisly.com
Homebrew 6.0.0▲1,481Today, I’m proud to announce Homebrew 6.0.0. The most significant changes since 5.1.0 are a new tap trust security mechanism, the new faster, smaller, default internal Homebrew JSON API, sandboxing on Linux, better defaults informed by our user survey, many brew bundle improvements, improved performance and initial support for macOS 27 (Golden Gate). Happy to discuss any questions here!
Dev tools · Jun 2026 · brew.sh
Hi HN! I was super frustrated at apps like tiktok and wechat preventing me from saving or downloading the animated gifs, so I made a little tool to turn a screen recording into a slack-sized emoji. Hope you get some value from this!
Life & fun · Jun 2026 · vorpus.github.io
Search 18 years of Hacker News and chart how any topic, tool, or person trended. Overlay terms to compare their rise and fall across 45M posts and comments.
Life & fun · Jun 2026 · hackernewstrends.com