This website is biased toward ReShiki, because its maintainer also maintains ReShiki. Please be careful.
Lasso select and transforms
Lasso or free selection plus rotate, flip and resize.
100 tools have this, 15 of them shown here. 1 do not. 27 not established.
- Tested by running it
- Seen in the app
- The manual says yes
- Partly, with the reason shown
- Not supported
- Not established, which is not the same as no
Select a mark for its proof. A filled mark opens our screenshot, or the manual if the check left nothing to picture. A ring opens the manual.
Yes, according to the manual: Lasso selection, rotation, flips and resizing. ReShiki
0.14.0
Selected L-alanine with resize and rotation handles beside the selection tools.
Yes, according to the manual: Lasso, rotate, flip, proportional scaling and stretching. Reactio Draw
1.10
Selected ethanol structure with resize and rotation handles.
Partly: Box selection, rotation and flips; no lasso or object resizing. MolCanvas
0.4.0
Partly: Box selection, rotation and flips; no lasso or object resizing.
Selected caffeine structure and box-selection instructions.
Partly: Rectangle, lasso, and fragment selection tools are visible. BoltzDraw
Ketcher 2.24.0
Partly: Rectangle, lasso, and fragment selection tools are visible.
Selection menu showing rectangle, lasso and fragment tools.
Partly: Lasso, rotate and flip; document insertion controls whole-molecule resizing. Chemeditor (Chemrise)
Ketcher 3.18.0 (build 2026-…
Partly: Lasso, rotate and flip; document insertion controls whole-molecule resizing.
Rectangle selection and hand tools beside a caffeine structure.
Partly: Select All works; rotate and flip controls visible. PyChem-Pro
1.0.0
Partly: Select All works; rotate and flip controls visible.
Selected structure with rotate and flip controls in the sketcher.
Partly: Individual atom and bond selection; no lasso or transforms visible. Molecule Builder (OvOHongYu)
0.1.0
Partly: Individual atom and bond selection; no lasso or transforms visible.
Selected bond with its properties and bond-order controls.
Partly: Lasso, rotate, flip; resizing covers images, shapes and arrows. KetchDraw
2.24.0
Partly: Lasso, rotate, flip; resizing covers images, shapes and arrows.
Selection palette with rectangle, lasso, and fragment icons.
Partly: Marquee selection and transform handles; no freehand selection mode. Chemvas
0.28.0
Partly: Marquee selection and transform handles; no freehand selection mode.
Selection toolbar and a selected curved arrow.
Partly: Lasso, rotate and flip; structure resizing unverified. Schrödinger Sketcher
Release 2026-4 (build 131)
Partly: Lasso, rotate and flip; structure resizing unverified.
Modify menu offers horizontal and vertical flips.
Yes, according to the manual: Freehand selection, rotation, flipping, and resizing. ChemSema
Web build 8e6f995 (2026-09-…
Selection and flip controls in the toolbar.
Partly: Lasso, rotation, and flips; no whole-selection resizing control. MolSketch
build m0PiI1PnCmq4Tn2qz-p-a
Partly: Lasso, rotation, and flips; no whole-selection resizing control.
A selected curved arrow with a rotation handle and controls.
Yes, according to the manual: Lasso, rotate and resize; negative scaling implements flipping. Kekule.js
0.9.9.22022400
A selected molecule and selection controls in the editor.
Yes, according to the manual: Lasso selection, rotation, flipping and resize handles are implemented. JMolDraw
V0.5
A selected bond surrounded by square handles.
Partly: Lasso and box selection with movement; no rotate, flip or resize. SketChem
6ed8c631
Partly: Lasso and box selection with movement; no rotate, flip or resize.
Box and lasso selection buttons above the canvas.
Available, no screenshot
ChemDraw's license keeps us from publishing pictures of its interface.
- Yes, according to the manual: Freehand lasso, rotation, flips and resizing. Opens the cited page.ChemDrawFreehand lasso, rotation, flips and resizing.
- Yes, according to the manual: Lasso selection, rotation handles, flips, and resizing. Opens the cited page.MolDrawLasso selection, rotation handles, flips, and resizing.Source
- Yes, according to the manual: Lasso selection, rotation, flip and scaling handles. Opens the cited page.PenzeneLasso selection, rotation, flip and scaling handles.Source
- Yes, according to the manual: Lasso selection supports rotation, flipping and resizing. Opens the cited page.Octet DrawLasso selection supports rotation, flipping and resizing.Source
- Yes, according to the manual. Opens the cited page.ChemDraftSource
- Partly: Rectangle selection and hand tools visible. Opens the cited page.SketchIQRectangle selection and hand tools visible.
- Partly: Rectangular selection, rotation and flipping; drawings resize in Page view. Opens the cited page.CovalentRectangular selection, rotation and flipping; drawings resize in Page view.Source
- Partly: Lasso, rotation and flips; resizing limited to images and graphical objects. Opens the cited page.ChemEditLasso, rotation and flips; resizing limited to images and graphical objects.Source
- Yes, according to the manual. Opens the cited page.Chem IllustratorSource
- Partly: Sketcher supports lasso; resizing is documented for Canvas objects. Opens the cited page.ChemThisTrySketcher supports lasso; resizing is documented for Canvas objects.Source
- Partly: Rectangular selection, rotation and flips; no resize transform. Opens the cited page.Chematic DrawRectangular selection, rotation and flips; no resize transform.Source
- Yes, according to the manual: Lasso selection, rotation, flip and scale tools are enabled. Opens the cited page.Molecule Lab (The Freshman Mole)Lasso selection, rotation, flip and scale tools are enabled.Source
- Partly: Lasso, rotate and flip; resizing limited to graphical objects. Opens the cited page.FreeChemDrawLasso, rotate and flip; resizing limited to graphical objects.Source
- Partly: Lasso and flip tools visible; resizing not checked. Opens the cited page.vibe-sketcherLasso and flip tools visible; resizing not checked.
- Yes, according to the manual: Lasso selection, rotation, resizing and horizontal/vertical flips. Opens the cited page.ErezDrawLasso selection, rotation, resizing and horizontal/vertical flips.Source
- Partly: Lasso, rotation and flips; resizing verified only for arrows. Opens the cited page.MolChartLasso, rotation and flips; resizing verified only for arrows.Source
- Partly: Lasso, rotation and flipping; structure resizing unverified. Opens the cited page.KendrawLasso, rotation and flipping; structure resizing unverified.Source
- Partly: Rectangle selection, rotation and flips; no lasso or resize controls. Opens the cited page.ChemlioraRectangle selection, rotation and flips; no lasso or resize controls.Source
- Yes, according to the manual: Ketcher lasso/rotate/flip; whiteboard objects can be resized. Opens the cited page.MolbrettKetcher lasso/rotate/flip; whiteboard objects can be resized.Source
- Partly: Lasso, rotation, and flips; no selected-structure resizing. Opens the cited page.Zeanium Molecule DrawerLasso, rotation, and flips; no selected-structure resizing.Source
- Yes, according to the manual: Lasso, rotate, flip; Ctrl+wheel scales the active selection. Opens the cited page.Sciformation VectorMolLasso, rotate, flip; Ctrl+wheel scales the active selection.Source
- Partly: Lasso, flips, whole-figure rotation; scaling changes rendering size. Opens the cited page.ChemDoodle Web ComponentsLasso, flips, whole-figure rotation; scaling changes rendering size.Source
- Partly: Rectangle selection; rotate and plugin flips; lasso and molecular resizing unverified. Opens the cited page.MoleditPyRectangle selection; rotate and plugin flips; lasso and molecular resizing unverified.Source
- Yes, according to the manual: Lasso selection, resizing, molecule rotation, mirror and inversion. Opens the cited page.ChemCanvasLasso selection, resizing, molecule rotation, mirror and inversion.Source
- Yes, seen in the app: Pointer and lasso tools visible. Opens the cited page.MolView.comPointer and lasso tools visible.
- Partly: Lasso and fragment selection visible; transforms not verified. Opens the cited page.KetcherLasso and fragment selection visible; transforms not verified.
- Partly: Lasso, rotate, flip; resizing applies to images and simple shapes. Opens the cited page.AI Chemical Drawing (CubicZnS)Lasso, rotate, flip; resizing applies to images and simple shapes.Source
- Partly: Box selection, rotation, flipping; resizing only in Figure mode. Opens the cited page.OpenReactionsBox selection, rotation, flipping; resizing only in Figure mode.Source
- Partly: Rotation, flipping and scaling are specified through TeX code. Opens the cited page.chemfigRotation, flipping and scaling are specified through TeX code.Source
- Partly: Rectangular selection and rotation; full free-selection transforms are not provided. Opens the cited page.MolsketchRectangular selection and rotation; full free-selection transforms are not provided.Source
- Partly: Lasso and rotation only; no flip or selection resize controls. Opens the cited page.ChemableLasso and rotation only; no flip or selection resize controls.Source
- Partly: Select and move tool visible. Opens the cited page.WaveSpeed AI Chemical Structure DrawerSelect and move tool visible.
- Partly: Freehand Select and Rotation Mode tools; resizing unverified. Opens the cited page.cDrawFreehand Select and Rotation Mode tools; resizing unverified.
- Partly: Lasso, rotation and flipping; bracket resizing, without whole-structure scaling. Opens the cited page.BondCraftLasso, rotation and flipping; bracket resizing, without whole-structure scaling.Source
- Yes, according to the manual: Lasso selection, rotation, flipping and coordinate-based resizing. Opens the cited page.JChemPaintLasso selection, rotation, flipping and coordinate-based resizing.Source
- Partly: Legacy-layout lasso and rotation; no flip or object-resize controls. Opens the cited page.Molsoft HTML5 Molecule EditorLegacy-layout lasso and rotation; no flip or object-resize controls.Source
- Partly: Select tool clicked; drag failed in computer-use tooling. Opens the cited page.MolGLideXSelect tool clicked; drag failed in computer-use tooling.Source
- Yes, according to the manual. Opens the cited page.Structura (chem-structura)Source
- Yes, according to the manual: Lasso selection, rotation, resizing and keyboard horizontal/vertical flipping. Opens the cited page.OpenChemLib JS editorLasso selection, rotation, resizing and keyboard horizontal/vertical flipping.Source
- Partly: Selection and rotate controls are visible. Opens the cited page.Dotmatics Elemental / Elemental DrawSelection and rotate controls are visible.
- Yes, according to the manual: Lasso selection plus rotation, flipping, and scaling. Opens the cited page.SketchEl 2Lasso selection plus rotation, flipping, and scaling.Source
- Yes, according to the manual: Lasso selection, rotation, mirroring, and resizing. Opens the cited page.XDrawChemLasso selection, rotation, mirroring, and resizing.Source
- Yes, according to the manual: Arbitrary atom selection with rotation, flips and scaling. Opens the cited page.SketchElArbitrary atom selection with rotation, flips and scaling.Source
- Partly: Marquee selection and movement; rotation, flip and resize unavailable. Opens the cited page.ChemifreeMarquee selection and movement; rotation, flip and resize unavailable.Source
- Partly: Lasso selection and movement only; no rotation, flip or resizing. Opens the cited page.RadSketchLasso selection and movement only; no rotation, flip or resizing.Source
- Partly: Lasso, rotation and flips; no resize tool. Opens the cited page.Ketcherails (ketcher-rails)Lasso, rotation and flips; no resize tool.Source
- Partly: Selection limited to connected components, chains, rings and molecular fragments. Opens the cited page.ButlerovSelection limited to connected components, chains, rings and molecular fragments.Source
- Partly: Lasso and rotation; no exposed flip or resize controls. Opens the cited page.schematicLasso and rotation; no exposed flip or resize controls.Source
- Yes, according to the manual: Lasso selection; rotate, flip, and scale selected atoms. Opens the cited page.WebMolKitLasso selection; rotate, flip, and scale selected atoms.Source
- Partly: Individual atom selection only; bond selection explicitly unimplemented; transforms unverified. Opens the cited page.rdEditorIndividual atom selection only; bond selection explicitly unimplemented; transforms unverified.Source
- Partly: Whole-molecule move and rotate; no lasso, flip or resize. Opens the cited page.ChemCanvasJSWhole-molecule move and rotate; no lasso, flip or resize.Source
- Yes, according to the manual: Four corner/side handles each; README says eight each. Opens the cited page.Chemical Structure Editor (CSE)Four corner/side handles each; README says eight each.Source
- Partly: Molecule movement and rotation; rectangle selector remains a stub. Opens the cited page.KemiaMolecule movement and rotation; rectangle selector remains a stub.Source
- Partly: Rotation and scaling supported; no lasso or flip controls. Opens the cited page.MolTouchRotation and scaling supported; no lasso or flip controls.Source
- Partly: Rectangular selection, move, rotate and resize; no lasso implementation. Opens the cited page.vue-chemdraw (0chem)Rectangular selection, move, rotate and resize; no lasso implementation.Source
- Partly: Lasso icon visible; rotate, flip and resize not seen. Opens the cited page.ChemWriterLasso icon visible; rotate, flip and resize not seen.
- Partly: Rectangle selection and movement; no rotation, flip, or selection-resize controls. Opens the cited page.GlassRectangle selection and movement; no rotation, flip, or selection-resize controls.Source
- Partly: Single atom or bond selection and translation; no lasso, rotation, flip. Opens the cited page.molsketch-cljsSingle atom or bond selection and translation; no lasso, rotation, flip.Source
- Partly: Rectangle selection; rotation, mirroring and scaling use separate commands. Opens the cited page.BKChem Python 3 ModernizedRectangle selection; rotation, mirroring and scaling use separate commands.Source
- Yes, according to the manual. Opens the cited page.ChemDoodle 2DSource
- Yes, according to the manual: Lasso selection, rotation, scaling and horizontal/vertical reflection. Opens the cited page.LabCanvas Figure Editor / MolDrawLasso selection, rotation, scaling and horizontal/vertical reflection.Source
- Yes, according to the manual: Lasso selection, rotation, scaling, and flipping are documented. Opens the cited page.Marvin Desktop Suite / MarvinSketchLasso selection, rotation, scaling, and flipping are documented.Source
- Yes, according to the manual: Lasso selection, scaling, rotation and flips documented across editing sections. Opens the cited page.ChemDraft (元素智研)Lasso selection, scaling, rotation and flips documented across editing sections.Source
- Yes, according to the manual. Opens the cited page.InDrawSource
- Partly: Freehand, rotation and flipping supported; molecule resizing unverified. Opens the cited page.Marvin JSFreehand, rotation and flipping supported; molecule resizing unverified.Source
- Partly: Rectangular selection; no lasso. Rotation, mirroring and scaling available. Opens the cited page.BKChemRectangular selection; no lasso. Rotation, mirroring and scaling available.Source
- Yes, according to the manual: Lasso selection with rotation, flips, scaling, and stretching. Opens the cited page.ChemWindow (KnowItAll ChemWindow Edition)Lasso selection with rotation, flips, scaling, and stretching.Source
- Partly: Lasso, rotate and flip; resizing limited to images and shapes. Opens the cited page.Chemistry DrawLasso, rotate and flip; resizing limited to images and shapes.Source
- Partly: Lasso, rotate and flip; resizing unverified. Opens the cited page.GChemPaintLasso, rotate and flip; resizing unverified.Source
- Yes, according to the manual: Windows lasso, rotation, resizing and mirror flip. Opens the cited page.KingDrawWindows lasso, rotation, resizing and mirror flip.Source
- Partly: Rotation, scaling and mirroring available; lasso selection unverified. Opens the cited page.Ferrum Chemical ForgeRotation, scaling and mirroring available; lasso selection unverified.Source
- Yes, according to the manual: Lasso selection; molecules support rotation, flips, and resizing. Opens the cited page.Chem4WordLasso selection; molecules support rotation, flips, and resizing.Source
- Partly: Selection uses rectangles; rotate, flip and resize are supported. Opens the cited page.ChemtoolSelection uses rectangles; rotate, flip and resize are supported.Source
- Yes, according to the manual: Lasso selection, rotation, scaling and negative-scale mirroring. Opens the cited page.LhendrawLasso selection, rotation, scaling and negative-scale mirroring.Source
- Partly: Rectangular selection and movement; no lasso, rotation, flip or resize. Opens the cited page.ChemCADRectangular selection and movement; no lasso, rotation, flip or resize.Source
- Yes, according to the manual: Freehand selection plus rotation, mirroring and scaling. Opens the cited page.MoleculeSketchMFreehand selection plus rotation, mirroring and scaling.Source
- Partly: Rectangle/Ctrl selection and transforms; lasso selection unverified. Opens the cited page.FX ChemStruct / FX Draw Chemical StructuresRectangle/Ctrl selection and transforms; lasso selection unverified.Source
- Yes, according to the manual: Linked screenshot shows lasso; rotation, scaling and flipping documented. Opens the cited page.Chemistry 4-D DrawLinked screenshot shows lasso; rotation, scaling and flipping documented.Source
- Partly: Lasso, rotation and flips; zoom changes viewport, without object resizing. Opens the cited page.BondDrawLasso, rotation and flips; zoom changes viewport, without object resizing.Source
- Partly: Rectangle selection and rotate/flip; lasso remains a planned feature. Opens the cited page.EasyChemRectangle selection and rotate/flip; lasso remains a planned feature.Source
- Partly: Rectangle selection and rotation; flip and object scaling unverified. Opens the cited page.CyBy-DrawRectangle selection and rotation; flip and object scaling unverified.Source
- Yes, according to the manual: Shared sketcher supports free selection, rotation, flipping, and scaling. Opens the cited page.MolPrime+Shared sketcher supports free selection, rotation, flipping, and scaling.Source
- Partly: Selection documented; rotation, flip and resizing unverified. Opens the cited page.Chem Sketcher (Non_REM.Persona Laboratory)Selection documented; rotation, flip and resizing unverified.Source
- Partly: vendor claim; select, rotate and flip; lasso and resize unverified. Opens the cited page.alvaSketchervendor claim; select, rotate and flip; lasso and resize unverified.Source
- Partly: Single atom/bond selection; lasso, rotation, flipping, and resizing unverified. Opens the cited page.moledSingle atom/bond selection; lasso, rotation, flipping, and resizing unverified.Source
Not available
- No: Documented Select event forwarding uses no-op placeholder handlers. Opens the cited page.BondForgeDocumented Select event forwarding uses no-op placeholder handlers.Source
Not established (27)
Molecule Clipboard, SketchScape, JSME Molecule Editor, ChemMD, Chemeditor (Chemie-Lernprogramme), MCDL Java Chemical Structure Editor, MolPad, BIOVIA Draw, Zoho ChemStudio, ChemPencil, ACD/ChemSketch, Marvin Cloud, AtomLens, JSDraw, ChemStitch, ChemGraphic 2, MolSketchGo, MyChemise, Elk_Draw RDKit, Chem+ Molecular Structure Editor, MolGenDraw, Chirys Draw, ChemScribble, Structo, Chemograph Plus, ChemWorks, Molecule