PPTX compatibility

Editing

Full

Rendering

Partial

Round-trip

Full

Apply bold, italic, underline, and strikethrough, including underline colors. Underline styles other than single are approximate.

Editing

Full

Rendering

Partial

Round-trip

Full

Choose theme fonts, embedded fonts, or fonts supplied by your application. Missing fonts use substitutes, and embedding permissions control which embedded faces load. Font substitutions can affect fidelity.

Editing

Full

Rendering

Partial

Round-trip

Full

Gradient and pattern text fills render. Their geometry is approximate. The Font dialog sets theme font colors.

Editing

Partial

Rendering

Partial

Round-trip

Full

Superscript and subscript toggles. The Font dialog sets the offset, caps, and strikethrough kinds. Small caps and script size are approximate.

Editing

Partial

Rendering

Full

Round-trip

Full

The Character Spacing menu has five presets, from Very Tight to Very Loose. The Font dialog sets any spacing and the kerning size.

Editing

Partial

Rendering

No

Round-trip

Full

Change case while keeping formatting, or cycle through three modes with Shift+F3. Letters whose case conversion changes their length stay unchanged. Conversion does not use the run language.

Editing

Partial

Rendering

Partial

Round-trip

Full

Link text to websites, email addresses, slides, custom shows, or files. The slide show follows slide links but does not open custom show or file links. Program links never run, and link colors are approximate.

Editing

Partial

Rendering

Partial

Round-trip

Full

Type and compose text at the caret, with selection and deletion by grapheme cluster. Composition commits as one undo step, but conflicting peer edits can cancel unfinished text. Validate your target input methods.

Editing

Partial

Rendering

Partial

Round-trip

Full

Edit East Asian, right-to-left, and mixed-direction text with script-specific fonts and navigation. Line layout remains approximate. Arabic letters join in the editor but remain separate in PDF export.

Editing

Full

Rendering

No

Round-trip

Full

Searches slide text and speaker notes.

Editing

Full

Rendering

No

Round-trip

Full

Copy text, shapes, and slides between editors, or paste formatted HTML from other applications. In browsers, shapes from other applications paste as pictures. Desktop hosts can provide editable shapes through system clipboard access.

Editing

Partial

Rendering

No

Round-trip

Full

Editing

Full

Rendering

Partial

Round-trip

Full

Editing

Partial

Rendering

Partial

Round-trip

Full

Set line spacing and paragraph spacing in the Paragraph dialog. Line heights, baselines, and glyph advances are approximate.

Editing

Partial

Rendering

Partial

Round-trip

Full

Set first-line and hanging indents, or change list levels. Existing tab stops align text, but you cannot edit them. The editor has no ruler.

Editing

Partial

Rendering

Partial

Round-trip

Full

Choose no autofit, shrink text on overflow, or resize the shape to fit. Autofit recalculates after edits, with approximate results for rotated text, multiple columns, and nonrectangular shapes. Titles shrink to 90% at most, then overflow.

Editing

Partial

Rendering

Partial

Round-trip

Full

Set horizontal, rotated, stacked, or upright East Asian text, with up to 16 columns. Upright East Asian text does not use vertical font metrics. Mongolian and right-to-left stacked text render approximately and cannot be selected through editing commands.

Editing

Partial

Rendering

Partial

Round-trip

Full

Apply preset text warps, with adjustment values available through commands. Warped glyphs lose ligatures and complex-script forms, while the caret and selection follow flat text. Vertical, rotated, and diagram text stay flat.

Editing

Partial

Rendering

Partial

Round-trip

Full

Set bullet characters, pictures, numbering schemes, colors, sizes, and starting numbers. Keyboard controls continue lists and change levels. Symbol substitutions, picture bullet sizing, and some numbering schemes are approximate.

Editing

Partial

Rendering

Partial

Round-trip

Full

All 187 presets use the spec guide formulas. Insert, move, resize, rotate, and drag the adjust handles (setAdjustments). A shape cannot change to another preset.

Editing

No

Rendering

Partial

Round-trip

Preserved

No edit points and no freehand tools.

Editing

Partial

Rendering

Partial

Round-trip

Full

Group, ungroup, and edit inside a group. Group effects do not draw.

Editing

Partial

Rendering

Full

Round-trip

Full

Attach connector ends to shapes so they follow moves and resizes. Drag elbow or curved connector segments to adjust their route. Moving a connector independently or deleting its attached shape releases the connection.

Editing

Partial

Rendering

No

Round-trip

Full

Align, order, and nudge objects, or distribute three or more objects. Alignment and distribution use unrotated boxes. Smart guides appear during dragging, but there is no Align to Slide setting.

Editing

Partial

Rendering

Partial

Round-trip

Full

Flip, rotate, or set exact object dimensions from the controls. Aspect locks preserve proportions when you resize one object. Resizing several objects ignores individual aspect locks.

Editing

Partial

Rendering

Full

Round-trip

Full

Select, rename, hide, show, and reorder objects in the Selection pane, including objects inside groups. Some edits to markup-compatibility content remove alternate copies. See the editing approximations below.

Editing

Partial

Rendering

Partial

Round-trip

Full

Apply six theme style rows in seven colors. Transparent preset styles are unavailable.

Editing

Partial

Rendering

Partial

Round-trip

Full

Apply solid colors or gradients. Gradient colors, focus, tiling, and rotation can differ from the reference. Rectangle and shape gradients can show seams or bands.

Editing

Partial

Rendering

Partial

Round-trip

Full

Apply preset patterns or stretched picture fills, with tiling available through commands. Picture fill crop, offset, scale, and transparency are not editable. Tile sizing and placement are approximate in some contexts.

Editing

Full

Rendering

Partial

Round-trip

Full

Set line colors, widths, dashes, and arrowheads. Compound lines and dashes on curves are approximate. Excessively complex dash patterns display as solid lines but remain unchanged on save.

Editing

Partial

Rendering

Partial

Round-trip

Full

The color picker shows the theme palette. Transform color spaces are approximate.

Editing

Partial

Rendering

Partial

Round-trip

Full

Apply or clear shadow presets on supported shapes and pictures. Groups, tables, charts, and theme effect graphs reject these edits. Perspective shadows are unavailable, and blur is measured only for small radii.

Editing

Partial

Rendering

Partial

Round-trip

Full

Display and edit these effects with @pptx-editor.dev/pro under the EigenPal Pro License. Without the drawing module, the editor omits these effects but preserves them on save. Blur remains approximate, especially for reflections.

Editing

No

Rendering

Partial

Round-trip

Preserved

The overlay blends with the shape fill only. The multiply, screen, and darken modes are measured, and so is the opaque result over a transparent fill. Other cases are approximate.

Editing

Partial

Rendering

Partial

Round-trip

Full

Display approximate 3-D shapes and blur with @pptx-editor.dev/pro under the EigenPal Pro License. Preset shadows display without the module, but bottom bevels and text effects do not render. PDF export omits blur.

Editing

Partial

Rendering

Partial

Round-trip

Full

Insert and transform pictures, or replace them with PNG, JPEG, or GIF files. Simple SVG pictures render as vectors; other SVG pictures use their PNG fallback. Large raster pictures can display at reduced resolution without changing stored images.

Editing

Partial

Rendering

Partial

Round-trip

Full

Apply correction, recolor, and transparency presets, or reset a picture. Saturation, color tone, and artistic effects are unavailable. Rendering is approximate, and some existing picture effects prevent corrections or reset.

Editing

Partial

Rendering

Partial

Round-trip

Full

Crop with handles, preset shapes, aspect ratios, Fill, or Fit. Crop commands respect picture locks, but canvas handles can still resize and rotate locked pictures. Tiled or inset fills reject cropping, and JPEG orientation metadata is ignored.

Editing

Partial

Rendering

Partial

Round-trip

Full

Apply five picture styles and set border color, weight, and dashes. Style and border fidelity remains approximate. Round border dots display as squares.

Editing

Partial

Rendering

No

Round-trip

Full

Set a description, title, or decorative status for a selected object. Screen readers announce picture descriptions and skip decorative pictures. The editor does not generate descriptions.

Editing

No

Rendering

Partial

Round-trip

Preserved

The editor, image export, and PDF export draw each EMF and WMF picture as a PNG. The placeholder shows until the PNG is ready. The picture file stays unchanged.

Editing

Partial

Rendering

Partial

Round-trip

Full

Tables render with merges, borders, and table styles. A cell with a merge marker that no span reaches draws as a normal cell (an approximation). The rows below list what you can edit.

Editing

Partial

Rendering

Partial

Round-trip

Full

Edit text and formatting in cells, cell ranges, or the whole table. Tab moves between cells and adds a row after the last cell. Paste tab-separated text into a range, expanding the table when needed.

Editing

Partial

Rendering

Full

Round-trip

Full

Insert tables and add or delete rows and columns. New tables fill an available content or table placeholder. Deleting a table does not restore its placeholder.

Editing

Partial

Rendering

Full

Round-trip

Full

Merge cells while keeping their text, or split one cell at a time. Merged cells split only along even grid lines. Inconsistent merge markup follows the approximation rules below.

Editing

Partial

Rendering

Partial

Round-trip

Full

Toggle header, total, banding, and first or last column options. The gallery contains the presentation's styles and the default style only.

Editing

Partial

Rendering

Partial

Round-trip

Full

Set cell shading and border color, dash, and weight. Diagonal borders and cell effects are not editable.

Editing

Partial

Rendering

Full

Round-trip

Full

Drag grid lines, enter dimensions, distribute rows and columns, or resize the table frame. Row heights are minimums, so rows grow to fit text.

Editing

Partial

Rendering

Partial

Round-trip

Full

Insert and edit common chart types, data, and formatting with @pptx-editor.dev/pro under the EigenPal Pro License. Unsupported chart types or features show placeholders or remain read-only. Linked workbooks never open automatically.

Editing

Partial

Rendering

Partial

Round-trip

Full

Display diagrams from their saved drawings and edit supported node text. Add or remove nodes in simple, single-line diagrams with one child level. Missing drawings show placeholders, and formatting and layout changes are unavailable.

Editing

No

Rendering

Render only

Round-trip

Preserved

Audio, video, and OLE objects show a stored poster picture or a labeled placeholder. They remain in the file but never play or run.

Editing

Partial

Rendering

Partial

Round-trip

Full

Insert and edit equations through a linear text form. Unsupported equations remain unchanged and read-only. Equations use STIX Two Math, with approximate spacing and positioning.

Editing

Full

Rendering

No

Round-trip

Full

New slide takes a layout from a gallery that the engine draws. A delete shows what went, with an Undo button.

Editing

Partial

Rendering

Full

Round-trip

Full

Hide slide works from the rail and the menus, and the slide show skips hidden slides. The PDF export leaves hidden slides out.

Editing

Partial

Rendering

Partial

Round-trip

Full

Empty placeholders show prompts and dotted outlines only in the editor. Insert tables or pictures through placeholder buttons or the Insert menu. The inserted object replaces the placeholder.

Editing

Partial

Rendering

Partial

Round-trip

Full

Edit speaker notes and apply bold, italic, underline, or strikethrough. Other formatting stays in the file but is not editable. Formatting at a caret outside a word does not carry into new text.

Editing

Partial

Rendering

Partial

Round-trip

Full

Show or hide slide numbers, dates, and footers through layout or master placeholders. Apply changes to selected slides or all slides, optionally excluding title slides. New date fields use the datetime1 format only.

Editing

Partial

Rendering

Partial

Round-trip

Full

Choose a preset or custom slide size from 1 to 56 inches in either orientation. Content scales to fit by default, but some effects, diagram text, and default values keep their sizes. Portrait and very wide slide fidelity is unmeasured, and PDF page dimensions round to whole points.

Editing

Partial

Rendering

Full

Round-trip

Full

Add, rename, remove, move, and collapse sections through section headers or custom toolbar controls. The default editor has no Section menu. Sections cannot be dragged.

Editing

Partial

Rendering

Partial

Round-trip

Full

Select, move, duplicate, delete, and hide slides by section. No zoom.

Editing

No

Rendering

Partial

Round-trip

Preserved

Content placeholders are approximate.

Editing

Partial

Rendering

Partial

Round-trip

Full

The Background dialog sets a color, gradient, pattern, or stretched or tiled picture. OK applies it as one undo step.

Editing

Partial

Rendering

Partial

Round-trip

Full

Change or reset slide layouts, and edit shapes, placeholders, and backgrounds in the slide master view. Placeholder matching and placement have known approximations. You cannot add, delete, or switch layouts, masters, or themes through the master view.

Editing

No

Rendering

Partial

Round-trip

No

Keyboard navigation only. No presenter view. The show writes nothing to the file, so round trip does not apply.

Editing

Partial

Rendering

No

Round-trip

Full

Configure 13 animation presets and five transition types, including timing and order. Motion paths and interactive sequences cannot be added, and markup-compatibility timing remains read-only. The editor preserves effects but does not play them.

Editing

Partial

Rendering

No

Round-trip

Full

Add, edit, reply to, and resolve comments with @pptx-editor.dev/pro under the EigenPal Pro License. Legacy comments cannot resolve, and unsupported thread content remains preserved but read-only. Concurrent edits can shift text anchors, and importing slides with threaded comments is refused.

Editing

No

Rendering

No

Round-trip

Full

Synchronize edits, typing, and peer selections through Yjs with @pptx-editor.dev/pro under the EigenPal Pro License. Undo applies to your own changes, with limits when peers edit the same content. Some concurrent text and table edits can duplicate, reorder, or lose content; see the collaboration guide.

Editing

Partial

Rendering

No

Round-trip

Full

Automate presentation edits on servers or in live editors with @pptx-editor.dev/editor-api under the EigenPal Pro License. The API implements a selected Office.js subset with batched operations. Server image rendering requires a rasterizer supplied by your application.

Editing

No

Rendering

Partial

Round-trip

No

The export writes image files, not the presentation, so round trip does not apply.

Editing

No

Rendering

Planned

Round-trip

No

Export PDFs with @pptx-editor.dev/pptx-to-pdf under the EigenPal Pro License. Hidden slides are omitted, and approximated or unsupported content produces diagnostics. Fidelity gaps remain, so the rendering status stays planned.