Scalable Vector Graphics (.svg)

W3C Standardno

Scalable Vector Graphics (SVG) is an XML-based vector image format for two-dimensional graphics with support for interactivity, CSS styling, and animation.

Proronalazač: World Wide Web Consortium (W3C)Godina: 2001MIME: image/svg+xml

Конвертујте SVG у PNG

Бесплатан SVG у PNG конвертор у прегледачу. Конвертујте фајлове тренутно без слања на сервер уз 100% приватност.

Kompresujte SVG na mreži

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Pregledaj i metapodaci

Operativni sistemi i analizatori datoteka identifikuju SVG datoteke proverom početnog binarnog niza bajtova:

Изаберите или превуците датотеке

Изаберите или превуците датотеке овде

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Potpis zaglavlja na nivou bajtova (Magic Bytes)

Operativni sistemi i analizatori datoteka identifikuju SVG datoteke proverom početnog binarnog niza bajtova:

HEX POTPIS (OFFSET 0):

3C 73 76 67

ASCII REPREZENTACIJA: <svg

Standardizacija: W3C Recommendation (SVG 1.1 / SVG 2)

Tehničke specifikacije

Arhitektura kontejneraXML-based text markup document defining 2D vector geometry
KompresijaGzip / Brotli text compression (SVGZ uses gzip compression)
Bajtni redosled (Endianness)Not applicable (Text-based UTF-8 / UTF-16 character stream)
Prostori bojasRGB, CSS Color Module 4 (Display P3, lab, lch)
Kanali i strukturaUnlimited resolution vector shapes, bezier curves, typography, and opacity masks
Maksimalne dimenzijeResolution-independent (scales infinitely to any viewport without pixelation)
TransparentnostFull variable alpha transparency and CSS blend modes
Strimovanje i progresivno učitavanjeProgressive text stream parsing supported by browser XML parser

Tehnička matrica poređenja: SVG vs Konkurenti

Tehnički atributSVG (Trenutno)HTML5 CanvasPDFPNG
Rendering ModelRetained mode vector DOMImmediate mode bitmap canvasRetained mode fixed page containerRaster pixel grid
Styling & CSSFully styleable via CSS classes and variablesRequires JavaScript canvas API redrawsNo dynamic CSS stylingFixed raster pixels
Infinite ScalabilityYes (mathematical vector curves)Requires manual resolution scalingYes (vector elements)No (pixelates when enlarged)
InteractivityNative DOM events (hover, click, animations)Requires manual hit detection mathStatic documentRequires image map or canvas

Uobičajeni režimi oštećenja i vodič za heksadecimalni oporavak

⚠️ Browser displays XML Parsing Error: unclosed token or mismatched tag.

Osnovni uzrok: Malformed XML syntax, missing closing tags, or unescaped ampersands ('&' instead of '&amp;').

Oporavak: Validate with an XML linter (xmllint file.svg) and correct unbalanced tags.

Bezbednosna analiza i vektori napada parsera

Because SVG is executable XML that supports '<script>' tags and external entities, it presents significant XSS and SSRF risks if untrusted SVGs are displayed.

Poznati vektori napada

  • Stored Cross-Site Scripting (XSS) via embedded '<script>' tags or 'onload=' event handlers.
  • XML External Entity (XXE) attacks reading local server files when parsed on backend servers.
  • Billion Laughs XML entity expansion causing denial of service.

Defanzivne najbolje prakse: Always sanitize SVGs using DOMPurify before embedding, or serve SVGs with 'Content-Security-Policy: default-src 'none'' or as '<img>' tags which automatically disable scripts.

Istorijat i prekretnice

2018W3C SVG 2 Candidate Recommendation integrates modern CSS styling.
2011SVG 1.1 (Second Edition) standardizes universal mobile and desktop browser support.
2001W3C publishes SVG 1.0 specification developed from VML and PGML proposals.

Ključne prednosti

  • Infinite resolution independence: crisp lines and typography on any display or print scale.
  • Extremely small file size for logos, icons, and UI interface elements.
  • Fully scriptable and styleable via CSS and JavaScript inside the browser DOM.

Tehnička ograničenja i nedostaci

  • Unsuitable for photographs or complex continuous-tone imagery.
  • Complex vector paths with thousands of nodes can cause CPU rendering lag and high battery drain.
  • XML nature allows embedded scripting, requiring strict sanitization before rendering untrusted uploads.

Zanimljivosti

  • Because SVG is plain XML text, compressing it with Gzip (producing an .svgz file) often reduces size by 70%–80%.
  • The viewBox attribute defines an abstract coordinate canvas that maps dynamically to physical screen pixels.

Često postavljana tehnička pitanja

Can SVG files contain malicious code?

Yes. Because SVG is valid XML, it can contain embedded JavaScript ('<script>') that executes if the SVG is loaded directly in a browser or opened in an inline '<svg>' element. Serving SVGs via an '<img>' tag automatically neutralizes script execution.

When should I use SVG instead of PNG?

Use SVG for icons, logos, charts, illustrations, and typography where crisp scaling across all screen sizes and small file sizes are required. Use PNG or WebP for photographs.

Povezani parovi konverzije za SVG

SVG у PNG

Rasterize resolution-independent SVG vector graphics into high-resolution PNG bitmap assets.

PNG у SVG

Trace and vectorize high-contrast PNG bitmap images into scalable SVG paths.

SVG у PDF

Compile SVG vector graphics into scalable, printable PDF documents.

PDF у SVG

Extract vector graphics and paths from PDF pages into standalone SVG files.

DXF у SVG

Convert 2D CAD DXF drawings into web-viewable SVG vector diagrams.

SVG у DXF

Export SVG vector shapes into AutoCAD DXF format for CNC and CAD processing.