tree.je- Simple, private file conversion
tree.je is a fast, minimal, privacy-first file converter.
What it does
tree.je — a privacy-first, browser-based file converter. Convert PDFs & images instantly with no uploads, no accounts, and no tracking. Fast, minimal, and built for the modern web
Does the same job
all alternatives →
ConvertiZenJun 2026 · convertizen.netlify.app · ▲3Free file converter that runs 100% in your browser
Privacy First Tools - Free and PrivateFeb 2026 · ▲10Free online tools for images, PDFs & more - 100% private
- Offline File ConverterJul 2026 · offlinefileconverter.com · ▲8
Convert files in your browser, nothing is uploaded, ever.


More dev tools this month
the category →



The first open-source price index for GPU compute
Dev tools · 10d ago · getcomputable.com

OpenTrailPaper is open-source bike computer firmware for the LilyGO T5S3 4.7" E-Paper PRO. It supports offline maps, GPX routes, FIT recording and Bluetooth sensors.
Dev tools · 2d ago · opentrailpaper.com

Open-source GTM skills for technical founders
Dev tools · 29d ago · gtmcofounder.com
Launched alongside, May 2026
the whole month →

Parallel agents, diff reviewer, and multi-model comparisons
Dev tools · May 2026 · kilo.ai


- NW
Hey HN, Henry here from Cactus. We open-sourced Needle, a 26M parameter function-calling (tool use) model. It runs at 6000 tok/s prefill and 1200 tok/s decode on consumer devices. We were always frustrated by the little effort made towards building agentic models that run on budget phones, so we conducted investigations that led to an observation: agentic experiences are built upon tool calling, and massive models are overkill for it. Tool calling is fundamentally retrieval-and-assembly (match query to tool name, extract argument values, emit JSON), not reasoning. Cross-attention…
Life & fun · May 2026 · github.com
- FM
Dev tools · May 2026 · github.com