Description
Streamline: Comprehensive icon library with five versatile styles for every concept.
What is Streamline
Streamline is one of the most professional and massive icon systems I've ever seen - truly impressive. With 300,000+ high-quality icons, this scale is absolutely industry-leading. What impresses me most is its design consistency - 8 professional icon designers working full-time for 12 years, creating 50+ series of icon sets. From Ultimate to Core, Flex, Sharp, Plump and other different styles, each series has 4,220 icons while maintaining unified design language. Even Figma officially praised it as the 'Favorite Graphic Resource' - this level of recognition is really high.
How to use Streamline
Can search and download directly through web app, supporting PNG, SVG, PDF, JSX and other formats. If using Figma, their plugin is particularly useful for direct drag-and-drop. They recently launched API service for direct integration into your own applications. Plus there's a desktop app for batch downloading, recoloring, resizing, etc. - very powerful functionality.
Streamline Key Features
300,000+ icon library
50+ style families from Core to Freehand, covering various tones.
8 full‑time designers
12 years of expertise ensuring consistency and detail.
Figma plugin + desktop app
Drag‑and‑drop usage with bulk recoloring and export.
API interface
Direct integration into apps for engineering convenience.
Free custom service
Request missing common icons — some may be fulfilled for free.
Unified design language
Grid system and standards for safe expansion.
Streamline Use Cases
Large-scale design systems
One library to rule the year, no more style mixing issues.
Multi-brand suites
From brutalist to hand-drawn, pick sets that match brand tones.
Proto-to-prod
Drag in Figma, then export and recolor in bulk via app/API.
Wayfinding & data
Icon sets tailored for signage and information visualization.
Streamline Pros & Cons
Pros
Huge coverage and depth
Coherent style families
Smooth plugin/app workflow
API friendly for engineering
Strong industry endorsement
Cons
Subscription cost for small teams
Choice overload without curation
Limited free tier for deep usage
Streamline FAQ
Q1: Free icons available?
Yes, some free sets; most advanced sets require Pro access.
Q2: Custom icons?
You can request missing common icons; some may be fulfilled for free.
Q3: Figma workflow?
Install the official plugin, search, insert, and adjust stroke/color/size.
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