Lank_M - DEV Community

Lank_M

Oct 27

A 25 MB video target came back at 14 MB, and the fix is checking how far under you landed

#webdev #javascript

4 min read

Lank_M

Oct 26

Table structure after OCR: why I'd rather get word boxes than tab-separated text

#webdev #javascript

4 min read

Lank_M

Oct 25

Why PDF image extractors return the stored picture, not the one on the page

#webdev #javascript

4 min read

Lank_M

Oct 24

Why a JPEG white background isn't 255: blocks, quantization tables and chroma subsampling

#webdev #javascript

4 min read

Lank_M

Oct 23

Budgeting browser memory for a 300-photo batch: the ZIP step added 830 MiB at the very end

#webdev #javascript

4 min read

Lank_M

Oct 22

In a frame-diffed GIF, ordered dither cost 15% more bytes and Floyd–Steinberg cost 91%

#webdev #javascript

5 min read

Lank_M

Oct 21

The halo around a blurred video background is the dark-fringe bug from texture filtering

#webdev #javascript

4 min read

Lank_M

Oct 20

Falling back to WASM x265 cost 25 MB once and about 6x the encode time on every run

#webdev #javascript

4 min read

Lank_M

Oct 19

I exported a long PDF page at 300 DPI and got 131: the WebP 16383 cap

#webdev #javascript

3 min read

Lank_M

Oct 18

I compressed a signed PDF with five tools. Every signature broke or vanished

#webdev #javascript

4 min read

Lank_M

Oct 17

Counting colors stops telling screenshots from photos after one JPEG save

#webdev #javascript

4 min read

Lank_M

Oct 16

A Web Worker fixed the freeze, not the wait: two checks for in-browser AVIF encoding

#webdev #javascript

4 min read

Lank_M

Oct 15

The first fillText requests your web font and draws without it

#webdev #javascript

4 min read

Lank_M

Oct 14

The frame queue emptied and the graphics buffers stayed: a WebCodecs reading

#webdev #javascript

4 min read

Lank_M

Oct 13

WebCodecs gave me portrait video lying on its side in all four browsers I tested

#webdev #javascript

4 min read

Lank_M

Oct 12

Word crops are non-destructive, and your DOCX pipeline inherits that

#webdev #javascript

4 min read

Lank_M

Oct 11

How I carry CJK fonts into an HTML-to-PDF job I don't control

#webdev #javascript

6 min read

Lank_M

Oct 10

Split your OCR error rate in two before you touch preprocessing

#webdev #javascript

4 min read

Lank_M

Oct 9

What I check before a transparent PNG gets cut to 256 colours

#webdev #javascript

5 min read

Lank_M

Oct 8

A PDF permission password is one integer, and the reader decides

#webdev #javascript

4 min read

Lank_M

Oct 7

My video capture test needed a pixel reference beyond currentTime

#webdev #javascript

3 min read

Lank_M

Oct 6

A moov box at byte 28 did not make this MP4 a faststart file

#webdev #javascript

3 min read

Lank_M

Oct 5

A readable PDF page is not a text extraction test

#webdev #javascript

4 min read

Lank_M

Oct 4

Moving canvas work into a Worker won't raise its size limit

#webdev #javascript

1

4 min read

Lank_M

Oct 3

Premultiplied alpha didn't remove my cutout's white fringe

#webdev #javascript

3 min read

Lank_M

Oct 2

Progressive JPEG saved 4–6% of bytes and cost 2.5x decode time

#webdev #javascript

3 min read

Lank_M

Oct 1

JPEG quality 75 at 4:4:4 beat 0.99 at 4:2:0 on red text

#webdev #javascript

5 min read

Lank_M

Sep 30

Same 200 KB, three formats: why WebP and AVIF look cleaner than JPEG

#webdev #javascript

4 min read

Lank_M

Sep 29

In-browser AI cold start: the 6 MB ONNX Runtime WASM took longer than the 44 MB model

#webdev #javascript

3 min read

Lank_M

Sep 28

Base64-inlined WASM still costs 37% more after gzip

#webdev #javascript

3 min read

Lank_M

Sep 26

Stop UA-sniffing canvas encoders: probe toBlob once at page load

#webdev #javascript

4 min read

Lank_M

Sep 25

Your HTML-to-PDF export has zero selectable characters

#webdev #javascript

5 min read

Lank_M

Sep 24

A .docx does not store where its pages end

#webdev #javascript

4 min read

Lank_M

Sep 23

The knob I reached for first was the only one that hurt

#webdev #javascript

6 min read

Lank_M

Sep 22

Your WebGPU benchmark may be running on a CPU rasterizer

#webdev #javascript

4 min read

Lank_M

Sep 21

Your GIF exporter is fine — the container is the problem

#webdev #javascript

1

5 min read

Lank_M

Sep 20

A 5-page PDF, 8 image placements, 3 files: what an extractor should count

#webdev #javascript

5 min read

Lank_M

Sep 19

Effective DPI has two axes: what a PDF compressor actually removes

#webdev #javascript

5 min read

Lank_M

Sep 18

The compression ratio looked great and the deliverable still failed

#webdev #javascript

6 min read

Lank_M

Sep 17

Five stages of an image pipeline, three places the color profile silently disappears

#webdev #javascript

5 min read

Lank_M

Sep 16

Your HEIC upload pipeline may be storing one 512 512 tile and calling it done

#webdev #javascript

4 min read

Lank_M

Sep 15

Temporal video matting: steadier edges you can't see, and a lost singer you can

#webdev #javascript

5 min read

Lank_M

Sep 14

Cropping a photo and copying its EXIF back kept the uncropped thumbnail

#webdev #javascript

5 min read

Lank_M

Sep 12

A scanned PDF with copyable text can still give you the wrong words

#webdev #javascript

6 min read

Lank_M

Sep 11

Pick the encoding route before the tool: PNG quantisation, WebP and AVIF across five compressors

#webdev #javascript

4 min read

Lank_M

Sep 10

My filter preview looked perfect. The export had seams.

#webdev #javascript

3 min read

Lank_M

Sep 9

Convert a PDF to HTML and back to PDF — why is it bigger

#webdev #javascript

2 min read

Lank_M

Sep 8

Why does Word's page count change when you convert it?

#webdev #javascript

2 min read

Lank_M

Sep 7

Same .mp4, one works and one doesn't — container vs codec

#webdev #javascript

2 min read

Lank_M

Sep 6

What does 20x more OCR model size actually buy you?

#webdev #javascript

2 min read

Lank_M

Sep 5

Upscaling can't recover what downscaling deleted — I measured how much

#webdev #javascript

3 min read

Lank_M

Sep 4

The transparent checkerboard was hiding 5.73% of the frame

#webdev #javascript

4 min read

Lank_M

Sep 3

Image processing that never leaves your device

#webdev #javascript #privacy

4 min read

Lank_M

Sep 2

216 DPI and 300 DPI gave me byte-identical output

#webdev #javascript #pdf

1

4 min read

Lank_M

Sep 1

Your GIF got bigger after compression. Here's which of the three cases you hit

#webdev #javascript #images

4 min read

Lank_M

Aug 31

Your background remover is probably eating the hair

#webdev #javascript #ai

3 min read

Lank_M

Aug 27

Your PDF compressor might be destroying the text layer

#pdf #webdev #performance #javascript

4 min read

Lank_M

Aug 25

Why I built another image tool when Photoshop already exists

#showdev #webdev #javascript #webassembly

6 min read

Lank_M

Aug 24

Your canvas.toBlob might be silently handing you a PNG

#frontend #html #javascript #webdev

5 min read

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