惯性聚合 高效追踪和阅读你感兴趣的博客、新闻、科技资讯
阅读原文 在惯性聚合中打开

推荐订阅源

Vercel News
Vercel News
博客园 - 【当耐特】
freeCodeCamp Programming Tutorials: Python, JavaScript, Git & More
小众软件
小众软件
Hugging Face - Blog
Hugging Face - Blog
aimingoo的专栏
aimingoo的专栏
WordPress大学
WordPress大学
G
Google Developers Blog
博客园 - 叶小钗
大猫的无限游戏
大猫的无限游戏
P
Proofpoint News Feed
J
Java Code Geeks
U
Unit 42
云风的 BLOG
云风的 BLOG
阮一峰的网络日志
阮一峰的网络日志
N
Netflix TechBlog - Medium
宝玉的分享
宝玉的分享
让小产品的独立变现更简单 - ezindie.com
让小产品的独立变现更简单 - ezindie.com
D
Docker
V
Visual Studio Blog
Cyber Security Advisories - MS-ISAC
Cyber Security Advisories - MS-ISAC
H
Help Net Security
V
V2EX
T
Tailwind CSS Blog

Show HN

GitHub - astefanutti/shaderbang: Shebang for Shaders Show HN: Generate Claude Code Workflows using Spec Driven Development approach Show HN: AI agents for UK GDAD PCF roles and their skills The Two Pillars: Mixer Mode and Meta-Software in the Reorganization of Software Work After AI GitHub - JaiCode08/teleport-env What 1,000+ Harness Experiments Taught Me About Self-Improving Agents Show HN: Liiists, a Markdown-first, iOS and CLI list app SwiperTab – Get this Extension for 🦊 Firefox (en-US) GitHub - kouhxp/fftext: Summarize, explain, fact-check, or translate any text, URL, or file. No GPU. No cloud. One command GitHub - sweetpad-dev/sweetpad: Develop Swift/iOS projects using VSCode GitHub - dogmaticdev/IRON: IRON a.k.a. Intermediate Representation Object Notation is a Interpreter/Database that is used to create Programming Languages. GitHub - sjhalani7/vaen: Package your AI coding harness into a portable .agent file, and share it across repos, teams, & the community without ever having to copy-paste instructions, skills, MCP config, or secrets. Show HN: Gandalf the Grader Show HN: Citadeld – replay any CI failure locally from a single file GitHub - tdortman/cuSBF: High-Performance GPU Super Bloom Filter coral-ai/claude-code-token-xray at main · Coral-Bricks-AI/coral-ai GitHub - ulyssestenn/funes: Funes is a Git-based framework for LLM-managed knowledge work: an AI Librarian ingests raw sources, builds an interlinked Markdown knowledge base, and uses it to produce cited reports, analyses, and other outputs. GitHub - ThatXliner/gah: Git Add Hunk, built for agents to use GitHub - harmont-dev/harmont-cli: Command-line client for the Harmont CI platform GitHub - brooksmcmillin/mcp-authflow: OAuth 2.0 Authorization Server framework for MCP servers GitHub - javaid-codes/audit-supply-chain-agents GitHub - amorey/gochan: A small library of common channel architectures for Go, inspired by Rust GitHub - arifozgun/OpenGem: Free, Open-Source AI API Gateway with Gemini, OpenAI & Anthropic Compatibility in 1 file GitHub - Pranesh950/BioPetals: 🌸 Run BIOxAI models at home, BitTorrent-style. Fine-tuning and inference up to 10x faster than offloading GitHub - cnguyen14/bounty-doctor: Diagnose a GitHub bounty issue before you waste hours: detects honeypot scam repos, AI-bot attempt swarms, and stale contests. Show HN: CoreMCP – MCP Server for On-Prem DBs Show HN: KittyHTML – Render HTML/CSS as an inline image in your terminal GitHub - bingud/filemat: Web-based file manager Show HN: TruthLens – Free multi-signal deepfake image detector GitHub - apexlocal-jz/claude-usage-tray: Windows system-tray app showing your Claude Code rate-limit usage at a glance. Zero deps, ~300 lines of PowerShell. Cross-IDE (works regardless of VS Code, Cursor, plain terminal).
Lumli - Professional In-Browser Image & QR Tools
Lumli Team · 2026-06-25 · via Show HN

100% Secure & Local: Images are processed in your browser and never leave your device.

01 / Speed

Process Images Up to 10x Faster

Experience professional grade image processing powered by browser native WebAssembly. Lumli unlocks multi-threading to leverage your device's full CPU cores, delivering lightning fast smart resizing, compression, upscaling and background removal instantly.

Hardware-Accelerated (Multi-Core)

02 / Privacy

Your Images Never Leave Your Device

Your privacy is our utmost priority. Unlike traditional online converters, Lumli runs entirely sandbox-secured inside your local browser storage. Your media files are processed locally and never touch an external server or cloud database.

Zero Uploads • No Sign-Up Required

03 / Formats

Convert HEIC, AVIF, PNG, JPG & More

Easily switch extensions between Apple's HEIC, AVIF, WebP, PNG, JPEG, and SVG layouts without losing original pixel density. Our precise engine preserves transparent alpha channels, rendering perfectly crisp assets optimized for modern web architectures.

HEIC + AVIF Input & Transparent Alpha OK

Frequently Asked Questions

Everything you need to know about Lumli web tools.

Can I use Lumli offline without an internet connection?

Yes. Once loaded, Lumli runs directly in your browser and can work offline for supported features. You can also install it on your device for easier access.

Do I need to install Lumli, or can i use it directly in my browser?

No installation is required. You can use Lumli directly in your browser on both desktop and mobile.If you want quicker access, you can also install it on your device like a web app, but it’s completely optional.

Are my images uploaded to a server or stored anywhere?

No. Lumli processes everything locally in your browser. Your images are never uploaded, stored, or shared anywhere.

Can I upload and process Apple HEIC images?

Yes. Lumli supports Apple's HEIC format as an input across all toolsets. You can upload HEIC images straight from your iPhone or Mac and convert them into JPG, PNG, WebP, AVIF, or vector SVG layouts where supported.

Is there a file size limit for uploading images?

There is no strict file size limit. Since Lumli processes everything locally using your device's hardware, you can handle large, high resolution images. The performance depends entirely on your device.

What image formats are supported?

Lumli supports PNG, JPG, JPEG, WebP, AVIF, Apple HEIC inputs, and SVG layouts.

Why is Lumli completely free to use?

Lumli is free because it runs entirely in your browser, so there are no server or cloud costs. This allows us to keep it free and private. If you like it, you can support us by buying a coffee.