Tech News
All News AI & ML Architecture DevOps Open Source Programming Team Management Testing & QA Web

Open Source

⚑ Report a Problem

Latest Open Source news from Tech News

All topics AI agents ai api architecture automation backend beginners career database devchallenge devops discuss javascript linux llm machinelearning mcp opensource performance productivity programming python react security showdev testing tutorial typescript webdev
All EN RU
EN

Web Image Formats: History, Technical Features, and SEO Impact 3 - GIF

GIF Format (1987) History and Origins — The Animated Web Image Format GIF (Graphics Interchange Format) was developed in 1987 by CompuServe. Back th…

imagesallimagelabformatsgif
Dev.to Oct 18, 2026, 22:30 UTC
EN

Clean Product Cut-Outs: A Practical Guide to Background Removal for Catalogues and Marketplaces

How automatic background removal works Modern background removers use a segmentation model , a neural network trained to decide which pixels belong…

ecommerceproductivitytoolsimages
Dev.to Oct 17, 2026, 11:22 UTC
EN

Observable Image Batch Processing for Rate Limits Progress and Wrong Import Cancellation

Short answer: process a large image import as one job with bounded concurrency, durable per-item results, observable progress, and cancellation. The…

imagesobservabilitydevops
Dev.to Oct 7, 2026, 21:14 UTC
EN

Node.js Image Quality: Centre Crop vs Content-Aware Crop for Avatars and Dishes

TL;DR: A content-aware crop is the better default when recipe photos become short promo videos, because faces and plated dishes often sit away from…

nodeimagesvideo
Dev.to Oct 6, 2026, 01:19 UTC
EN

How to Govern 3 Named Image Transformations and Inline Operation Lists

Short answer: For marketplace listings in a B2B SaaS product, put every public image variant behind one moderation decision. Use versioned named tra…

imagestypescriptarchitecture
Dev.to Oct 6, 2026, 00:11 UTC
EN

Node.js Avatar Derivatives — Durable IDs Across Three Resize Targets

An avatar pipeline fails operationally when it treats a generated URL as identity. TL;DR: in an Express service, upload the original once, resize fr…

nodeimagesbackend
Dev.to Oct 5, 2026, 23:14 UTC
EN

Rental Image Search in 2026: Caption Text, Pixel Matching, and Cache Boundaries

Short answer: use caption and metadata search for immediate property-listing navigation, then add asynchronous pixel matching only for visual questi…

imagessearchpropertymanagementcaching
Dev.to Oct 3, 2026, 21:20 UTC
EN

Marketplace Ingest Guide for Camera Metadata and Upright Images

TL;DR: Read camera orientation metadata when a seller uploads a photo, rotate the pixels upright, remove the stale orientation tag, and store that c…

imagesnodeobservability
Dev.to Oct 2, 2026, 00:24 UTC
EN

Node.js Fintech Crops — Strip Image Metadata or Retain Attribution

TL;DR: Strip embedded metadata from every public smart-cropped derivative. If photographer attribution has a legitimate product purpose, store a rev…

nodeprivacyimages
Dev.to Oct 1, 2026, 23:07 UTC
EN

WebP Cover Conversion: Generate 3 Responsive Widths with Atomic Publishing

Generate three WebP derivatives after a blog cover upload, but publish the new source set only after every required width exists and passes validati…

webpimagessre
Dev.to Oct 1, 2026, 01:24 UTC
EN

dev.to re-encodes and crops your cover image, and I measured exactly where the crop lands

I had a cover image with a line of small text near the left edge. On the post page it looked right. In the feed card it was gone. Not clipped, not s…

webdevimagesperformancepython
Dev.to Oct 1, 2026, 01:21 UTC
EN

Content-Aware Property Photos: Store 3 Aspect Ratios at Ingest

A Node.js property service needs a content-aware crop for multiple aspect ratios because one listing photo must fit search results, map cards, and a…

nodeexpressimages
Dev.to Sep 30, 2026, 20:23 UTC
EN

Hitting a file-size window with canvas.toBlob: fitting passport photos into 54–240 KB

Government photo upload forms are strict about file size, and they are strict in both directions. The US DS-160 visa form wants a JPEG of at most 24…

javascriptwebdevtutorialimages
Dev.to Sep 30, 2026, 19:21 UTC
EN

How to Choose Image Conversion or Compression in Python — Property Photos

Short answer: to choose between image conversion and compression, convert when a target device or browser needs a different format or shape; compres…

pythonimageswebperf
Dev.to Sep 30, 2026, 17:13 UTC
EN

Python Healthtech Duplicate Image Derivatives (When Processing Costs Surge)

Short answer: put an atomic, content-addressed skip check immediately before image transformation, then publish a derivative only after its bytes an…

pythonbackendimages
Dev.to Sep 29, 2026, 21:17 UTC
EN

How Much Quality Do You Lose Compressing an Image? We Measured It on 24 Photos

"Compress without losing quality" is a promise lossy formats can't fully keep — every step of compression trades some fidelity for bytes. The useful…

webdevperformanceimagesjavascript
Dev.to Sep 10, 2026, 07:01 UTC
EN

What's actually inside an image's DPI tag (and why changing it is lossless)

A print shop rejected a 4000 × 2667 px photo last week because the file "was only 72 DPI". The photo had more than enough pixels for the 8 × 10 in p…

javascriptwebdevtutorialimages
Dev.to Sep 6, 2026, 02:56 UTC
EN

Lighthouse's image budget is w h 6

Originally published on indiecore.net . Lighthouse told me my home page was carrying 345 KiB of unnecessary image bytes, on a page already scoring 9…

performancelighthouseimagesweb
Dev.to Sep 4, 2026, 01:56 UTC
EN

Image Format Conversion vs Compression Explained (for FastAPI Promo Video Pipelines)

Short answer: convert an image when a promo-video consumer requires a different format; compress it when the current format is already compatible an…

pythonimagesbackendarchitecture
Dev.to Sep 1, 2026, 03:09 UTC
EN

Detecting and Stripping AI Metadata (C2PA, EXIF, XMP) from Generated Images — A Developer's Guide

If you ship anything that touches AI-generated images — a thumbnail pipeline, a user-upload feature, a design tool — you've probably noticed somethi…

aiwebdevimagesprivacy
Dev.to Aug 31, 2026, 09:20 UTC
EN

Best Object Storage for Private Image Thumbnails and Signed Links in Node.js

The resizing boundary decides this architecture before the storage vendor does. Short answer: keep private originals and generated thumbnails in obj…

objectstoragenodeimages
Dev.to Aug 30, 2026, 04:20 UTC
EN

How to Compress a GIF Without Losing Quality (2026 Guide)

Let's be honest about why you're here. You have a 4MB animated GIF that's slowing down a product page, bouncing back from an email attachment limit,…

webdevimagesperformancetutorial
Dev.to Aug 18, 2026, 06:42 UTC
EN

A JSON Schema Safety Harness for Choosing a Text-to-Image API

TL;DR Short answer: choose an image generation API only after your own prompt-safety eval passes, and use a chat model with a strict JSON Schema whe…

pythonaiimages
Dev.to Aug 4, 2026, 22:50 UTC
EN

Picking a text-to-image API for a SaaS app: REST, pricing, and safety

If you just want the recommendation: call a plain REST image generation endpoint from your Node.js backend, keep the prompt-in / image-out path as d…

apinodesaasimages
Dev.to Jul 28, 2026, 00:15 UTC
EN

Image formats explained: When to use JPG vs PNG vs WebP vs AVIF in 2026

Choosing the wrong image format costs you page speed, user experience, and bandwidth. Here's a practical guide to the four major formats and when ea…

webdevimagesperformancetutorial
Dev.to Jul 7, 2026, 07:09 UTC
EN

Mermaid Diagrams Quickstart and Cheatsheet for Developers

Mermaid is a text-based diagramming tool for people who would rather write diagrams than drag boxes around a canvas. It uses a Markdown-like syntax…

imagesdevdevopsmarkdown
Dev.to Jun 23, 2026, 23:28 UTC
EN

Getting images actually web-ready: compress, resize, and pick the right format without opening an editor

A surprising amount of "my site is slow" comes down to one thing: someone dropped a 4032x3024 photo straight off their phone into a content block th…

webdevperformanceimageswebperf
Dev.to Jun 7, 2026, 16:23 UTC
EN

What Is AVIF? Why It Became the Default Image Format in 2026

In this article: What AVIF actually is, who built it, what problem it solves Why the same image is ~50% smaller than JPEG and ~20% smaller than WebP…

webdevperformanceimagesbeginners
Dev.to May 13, 2026, 21:22 UTC
EN

How to Convert HEIC to JPG for Free (Without Uploading Your Photos)

You just took the perfect photo on your iPhone. You try to share it, upload it, or open it on your Windows PC — and nothing works. That's HEIC. Appl…

webdevprivacyimagesbeginners
Dev.to May 2, 2026, 19:18 UTC

© Tech News — Headline Aggregator

English Русский
Sitemap Legal Notice Privacy Terms Copyright / Removal DSA Contact

Leaving the site

You are about to open an external website:

Continue →