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dims

0.1.0
0.1.0

Probe remote image dimensions (width × height) from just a URL — fetches only the first bytes via HTTP Range and parses JPEG/PNG/WebP/GIF headers. Batch probing with parallelism, median backfill for failed probes, sampling for huge lists, and built-in caching.

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CHANGELOG.md 

# Changelog



## 0.1.0 (2026-07-14)



Initial release:



* `Dims.probe/2` — width × height for a remote image URL from a

  ~128 KB HTTP Range fetch (JPEG / PNG / WebP / GIF headers).

* `Dims.probe_all/2` — ordered parallel batch probing with median

  backfill for failed probes.

* `Dims.probe_sampled/2` / `Dims.probe_auto/2` — sampled probing for

  huge near-uniform lists (~25× less traffic), auto full/sampled

  switch by list length.

* `Dims.Parser.parse/1` — the pure header parser, usable on bytes you

  already have.

* ETS cache with per-call TTL/bypass; per-URL or static extra headers

  for referer-checking CDNs.