diff --git a/Libraries/LibCompress/Lzw.h b/Libraries/LibCompress/Lzw.h
index b0fa8793fe9..201450baa5d 100644
--- a/Libraries/LibCompress/Lzw.h
+++ b/Libraries/LibCompress/Lzw.h
@@ -109,7 +109,15 @@ public:
u16 const end_of_data_code = lzw_decompressor.add_control_code();
while (true) {
- auto const code = TRY(lzw_decompressor.next_code());
+ // Some encoders omit the End-of-Information code or emit trailing padding that decodes as invalid LZW
+ // codes. Treat any LZW error as an implicit end of the compressed stream and use whatever was successfully
+ // decoded so far - this matches the behavior of Firefox, Chrome and Safari.
+ auto code_or_error = lzw_decompressor.next_code();
+ if (code_or_error.is_error()) {
+ dbgln_if(LZW_DEBUG, "LZW stream ended unexpectedly: {}", code_or_error.release_error());
+ break;
+ }
+ auto const code = code_or_error.release_value();
if (code == clear_code) {
lzw_decompressor.reset();
diff --git a/Tests/LibWeb/Layout/expected/table-replaced-child-percentage-height-in-auto-table.txt b/Tests/LibWeb/Layout/expected/table-replaced-child-percentage-height-in-auto-table.txt
index cf7969c29fd..ffa541a765e 100644
--- a/Tests/LibWeb/Layout/expected/table-replaced-child-percentage-height-in-auto-table.txt
+++ b/Tests/LibWeb/Layout/expected/table-replaced-child-percentage-height-in-auto-table.txt
@@ -1,21 +1,21 @@
Viewport <#document> at [0,0] [0+0+0 800 0+0+0] [0+0+0 600 0+0+0] [BFC] children: not-inline
BlockContainer at [0,0] [0+0+0 800 0+0+0] [0+0+0 0 0+0+0] [BFC] children: not-inline
- TableWrapper <(anonymous)> at [8,8] positioned [8+0+0 0 0+0+8] [8+0+0 0 0+0+8] [BFC] children: not-inline
- Box at [8,8] table-box [0+0+0 0 0+0+0] [0+0+0 0 0+0+0] [TFC] children: not-inline
- Box <(anonymous)> at [8,8] table-row [0+0+0 0 0+0+0] [0+0+0 0 0+0+0] children: not-inline
- BlockContainer <(anonymous)> at [8,8] table-cell [0+0+0 0 0+0+0] [0+0+0 0 0+0+0] [BFC] children: not-inline
- ImageBox ![]()
at [8,8] [0+0+0 0 0+0+0] [0+0+0 0 0+0+0] children: not-inline
- BlockContainer <(anonymous)> at [8,8] [0+0+0 0 0+0+0] [0+0+0 0 0+0+0] children: inline
+ TableWrapper <(anonymous)> at [8,8] positioned [8+0+0 1 0+0+8] [8+0+0 1 0+0+8] [BFC] children: not-inline
+ Box at [8,8] table-box [0+0+0 1 0+0+0] [0+0+0 1 0+0+0] [TFC] children: not-inline
+ Box <(anonymous)> at [8,8] table-row [0+0+0 1 0+0+0] [0+0+0 1 0+0+0] children: not-inline
+ BlockContainer <(anonymous)> at [8,8] table-cell [0+0+0 1 0+0+0] [0+0+0 1 0+0+0] [BFC] children: not-inline
+ ImageBox ![]()
at [8,8] [0+0+0 1 0+0+0] [0+0+0 1 0+0+0] children: not-inline
+ BlockContainer <(anonymous)> at [8,9] [0+0+0 1 0+0+0] [0+0+0 0 0+0+0] children: inline
TextNode <#text> (not painted)
ViewportPaintable (Viewport<#document>) [0,0 800x600]
PaintableWithLines (BlockContainer) [0,0 800x0]
- PaintableWithLines (TableWrapper(anonymous)) [8,8 0x0]
- PaintableBox (Box) [8,8 0x0]
- PaintableBox (Box(anonymous)) [8,8 0x0]
- PaintableWithLines (BlockContainer(anonymous)) [8,8 0x0]
- ImagePaintable (ImageBox![]()
) [8,8 0x0]
- PaintableWithLines (BlockContainer(anonymous)) [8,8 0x0]
+ PaintableWithLines (TableWrapper(anonymous)) [8,8 1x1]
+ PaintableBox (Box) [8,8 1x1]
+ PaintableBox (Box(anonymous)) [8,8 1x1]
+ PaintableWithLines (BlockContainer(anonymous)) [8,8 1x1]
+ ImagePaintable (ImageBox![]()
) [8,8 1x1]
+ PaintableWithLines (BlockContainer(anonymous)) [8,9 1x0]
SC for Viewport<#document> [0,0 800x600] [children: 1] (z-index: auto)
SC for BlockContainer [0,0 800x0] [children: 0] (z-index: auto)
diff --git a/Tests/LibWeb/Ref/expected/wpt-import/gif/reset-no-gce-ref.html b/Tests/LibWeb/Ref/expected/wpt-import/gif/reset-no-gce-ref.html
new file mode 100644
index 00000000000..5bf308fd63b
--- /dev/null
+++ b/Tests/LibWeb/Ref/expected/wpt-import/gif/reset-no-gce-ref.html
@@ -0,0 +1,13 @@
+
+
+
+ gif no graphics control extension
+
+
+
+
+
+
+
+
+
diff --git a/Tests/LibWeb/Ref/input/wpt-import/gif/reset-no-gce-1.html b/Tests/LibWeb/Ref/input/wpt-import/gif/reset-no-gce-1.html
new file mode 100644
index 00000000000..21a6dd8a298
--- /dev/null
+++ b/Tests/LibWeb/Ref/input/wpt-import/gif/reset-no-gce-1.html
@@ -0,0 +1,32 @@
+
+
+
+ gif no graphics control extension
+
+
+
+
+
+
+
+
+
+ 
+
+
+
diff --git a/Tests/LibWeb/Ref/input/wpt-import/gif/reset-no-gce.gif b/Tests/LibWeb/Ref/input/wpt-import/gif/reset-no-gce.gif
new file mode 100644
index 00000000000..98e6bc61ac4
Binary files /dev/null and b/Tests/LibWeb/Ref/input/wpt-import/gif/reset-no-gce.gif differ
diff --git a/Tests/LibWeb/Text/expected/HTML/lzw-image-without-EOI-should-still-load.txt b/Tests/LibWeb/Text/expected/HTML/lzw-image-without-EOI-should-still-load.txt
new file mode 100644
index 00000000000..ae6ab609aa5
--- /dev/null
+++ b/Tests/LibWeb/Text/expected/HTML/lzw-image-without-EOI-should-still-load.txt
@@ -0,0 +1,2 @@
+GIF: loaded, width=1, height=1
+TIFF: loaded, width=1, height=1
diff --git a/Tests/LibWeb/Text/input/HTML/lzw-image-without-EOI-should-still-load.html b/Tests/LibWeb/Text/input/HTML/lzw-image-without-EOI-should-still-load.html
new file mode 100644
index 00000000000..6d667d0b737
--- /dev/null
+++ b/Tests/LibWeb/Text/input/HTML/lzw-image-without-EOI-should-still-load.html
@@ -0,0 +1,25 @@
+
+
+