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Free Flowchart Shapes SVG — 304 Symbols for Diagrams, Wireframes & Markup

Decision diamonds, process boxes, data parallelograms, document symbols, database cylinders and every connector you need — plus 100 UI wireframe frames and 100 annotation marks. One 24×24 grid, 1.5px stroke, currentColor. Copy the SVG, download the file, or take all 304 in a single ZIP. Free for commercial use, no sign-up.

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What Are Flowchart Shapes?

Flowchart shapes are the standard symbols a process diagram is built from. Their meaning is fixed, so a reader can follow a flow without reading every label: a rounded terminator marks where a process starts or stops, a rectangle is a step, and a diamond is a decision with two or more exits. The set follows the classic ISO 5807 / ANSI symbol vocabulary — process, decision, data, document, predefined process, manual input, preparation, delay, database, stored data, internal storage, display, off-page connector, merge, extract, or-junction, sum-junction and loop limit — plus the connector lines that join them.

Icon libraries are not a substitute for this. FontAwesome, Tabler or Material will give you a 24px picture of a flowchart, but not the shapes themselves — nothing you can stretch into a real diagram, and nothing that reads as a decision diamond at 200px wide. These are actual stencils: one shape per file, no fill, one stroke weight, so a diagram drawn with them stays consistent from a whiteboard sketch to a printed A3.

Everything sits on a 24×24 grid with a 1.5px stroke. That is the same optical weight as a UI icon, so a flowchart built from these shapes drops into a product doc or a slide deck without looking like clip art.

The 304 Shapes in This Pack

Three sets share the same grid, so you can mix them in one diagram. The browser above switches between them with the tabs; the sidebar narrows to a category.

Three sets of SVG shapes: 104 flowchart symbols, 100 UI wireframe frames and 100 annotation marks on a 24x24 grid
  • Flowchart Shapes — 104. 35 core symbols (terminators, process, decision, data, document, database, stored data, tape, display, card, off-page, merge, extract, junctions, loop limit), 26 UML and systems blocks (state, class, interface, package, note, actor, component, node, lifeline, activation, ER entity and relationship, swimlanes), 29 connectors (straight, elbow, curved, dashed, dotted, tee, hop, branch, merge, loop-back) and 14 charts and planning blocks (gantt, kanban, timeline, layers, matrix, funnel, venn).
  • UI Wireframe — 100. 26 layout frames (mac and windows style windows, browser, dialog, popover, tooltip, drawer, bottom sheet, navbar, hero, card, table, kanban, masonry, breadcrumb, pagination, grids), 42 controls (buttons, inputs, textarea, checkbox, radio, select, toggle, slider, stepper, tabs, dropdown, accordion, date and colour pickers, rating, upload, progress, spinner, skeleton, avatar, chip, toast), 16 devices (phone, tablet, desktop, laptop, TV, watch, kiosk, VR, responsive pair) and 16 media and data blocks (image, video, audio, map, bar, line, pie, donut, area, calendar, file, folder, code, comments).
  • Annotation Marks — 100. Numbered badges 1–20 (digits are drawn as paths, so they never fall back to a system font), 8 badge outlines, 20 callouts (speech, thought, shout, whisper, cloud, double, quote, tooltip, magnifier, zoom), 30 marks (leader lines, curved and squiggly arrows, starbursts, highlighter frames, underlines, check and cross, pin, flag, scribble circle) and 16 brackets, frames and dimension lines, plus 6 review stamps.

Flowchart Symbols and What They Mean

The quick reference most diagrams are judged against. Every row below is a shape in the browser above — search its name to jump straight to it.

Shape Name What it means File
Rounded capsuleTerminatorStart or end of the processterminator
RectangleProcessA step, task or actionprocess
DiamondDecisionA question with yes/no branchesdecision
ParallelogramDataInput into or output from the flowdata
Wavy baseDocumentA printed report or paper outputdocument
Double side linesPredefined processA named subroutine defined elsewherepredefined-process
CylinderDatabaseStored data the flow reads or writesdatabase
Slanted topManual inputData typed in by handmanual-input
HexagonPreparationSetup before a loop beginspreparation
D-shapeDelayA wait before the flow continuesdelay
Small circleConnectorJump to another point on the same pageconnector-circle
House / pentagonOff-page connectorThe flow continues on another pageoff-page
Cut-corner boxLoop limitTop of a for / while looploop-limit
ArrowFlow lineDirection the flow travelsarrow-straight

How to Use These SVG Shapes

  1. Pick a set with the tabs, or type a name in the search box — decision, document, database, toggle, starburst.
  2. Set the colour and size. The preview updates instantly because nothing is fetched again.
  3. Click a shape to open it: copy the SVG code, download the SVG, or export a PNG at 16–128px.
  4. For a whole diagram, switch on Select Mode, tick every shape you need across the three sets, then download one ZIP.

Pasting into Figma, Illustrator, Inkscape or Affinity: use Copy SVG Code and paste directly on the canvas — the shape arrives as editable paths, not as a flat image. In draw.io and PowerPoint, download the SVG and place it as a picture; both keep the vector.

Why SVG Shapes Beat PNG Stencils

  • Scale without a second file. The same decision diamond works at 24px in a UI and at 400px on a poster — no @2x, @3x or 300dpi export.
  • One colour to change. The artwork is stroke-only and stroke-coloured, so recolouring is a single value, not a magic-wand selection.
  • Small enough to keep. Each shape is roughly 200–400 bytes; all 304 together are under 130 KB as a ZIP.
  • Editable after import. Text stays out of the file, so nothing falls back to a missing font and no label turns into outlines.

License — Free for Commercial Use

All 304 shapes were drawn in-house for SVGVector and released under CC0 1.0. Use them in client work, products, courses, print and templates, commercially or not — no attribution required and no account to create. The pack ships with a licence file so a client's legal review has something to read.

No third-party licence to inherit. Because the artwork is ours, you do not have to carry an icon-font licence, an OFL notice or a link back — unlike FontAwesome or Material icons bundled into a product.

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