Facebook link previews versus profile photos
Wide link images differ from square profile uploads, match the placement you are fixing. Wide link images differ from square profile uploads, match the placement you are fixing with measured pixels on download. Plain backgrounds and tight framing usually beat aggressive quality drops alone. Nearby tools cover adjacent size and format rules when this page is not the match. Temporary processing is not archival storage, save the download you intend to submit.
Facebook text legibility after JPEG encoding
High-contrast titles survive compression better than thin gray text on busy photos. High-contrast titles survive compression better than thin gray text on busy photos. If format and size rules conflict, solve format first with a converter, then return for kilobytes. Preview against both light and dark backgrounds when edges or transparency may change after encoding. Temporary processing is not archival storage, save the download you intend to submit.
Open Graph crops on link previews
Facebook link previews punish wrong aspect ratios, center titles inside safe center bands before upload. Neon posters, foliage, and patterned clothing compete with faces for encoder budget, simplify when possible. If rejection continues, re-read the help text for a second hidden rule. Temporary processing is not archival storage, save the download you intend to submit.
JPEG weight for Facebook photo previews
JPEG keeps bytes lower for photo previews; design on solid backgrounds when flattening PNG art. PNG art with text may need flattening before resize when bytes spike. A second hidden rule (pixels, PNG-only, DPI) often explains “file still rejected” after a successful size pass. Save with a simple name and a single extension before you upload again. Width and height on the result card update whenever the engine changes dimensions.
KB limits after Facebook pixel resize
Dimension success does not guarantee attachment weight, chain KB tools when municipal portals add byte caps. Pixel boxes and kilobyte caps are independent validators, satisfying one never excuses the other. Avoid stacked extensions like .jpg.jpg; intake scripts often choke on them. Portals care about clearing the limit more than hitting a precise byte total.
Batch localized OG images
Each locale banner previews independently even when targeting the same pixel box, check text legibility per language. Each file gets its own result card. Review every preview before submitting a folder of applicants or SKUs. If the published rule shifts, switch to the sibling tool that matches the new number. If the result looks too soft, tighten framing before lowering quality again.
Sharing debugger mindset before publish
Open the downloaded image locally at full size before blaming platform caches for blurry previews. Before retrying, open the download once on the same device you will use to submit. If rejection continues, re-read the help text for a second hidden rule. Width and height on the result card update whenever the engine changes dimensions.
How the resize is applied
Output is written at 1200×630 pixels. The preview and download use that raster. File weight still depends on subject detail and the output format, not only the pixel box.
Resize checks
Exact-size tools are checked by measuring the output width and height after processing. A pass means those pixels match the named box. File size is reported separately. Reviewed 5 October 2026.
Technical reference
Everyday “JPEG” files follow the JFIF interchange pattern on top of JPEG compression. MDN summarizes the type, MIME value image/jpeg, and common extensions: MDN image file type guide.
Frequently asked questions
Exact pixels for Facebook link previews?
Output targets link-preview placements, read width and height on the result card. Neighboring tools exist for nearby sizes; switching is better than forcing the wrong ceiling.
Facebook resize alone fix attachment KB caps?
Ad and link flows may cap JPEG weight separately, compress when help text lists kilobytes. If softness is unacceptable, crop tighter or ask whether a higher official limit exists.
Upscale small OG art for Facebook?
Soft text fails CTR tests, design at recommended preview width when possible. If softness is unacceptable, crop tighter or ask whether a higher official limit exists.
Link preview orientation after Facebook resize?
Check preview on mobile Facebook client; orientation metadata may be stripped. Measured bytes on the result card come from the generated file, not a simulated estimate.
Batch localized Facebook OG images?
Each locale banner previews independently before ads manager upload. Batch mode still shows per-file previews. Review each result before submitting a set.
Facebook page versus generic resize tool?
Use the 1200×628 sibling when the checklist cites that exact OG box. Open the download once on your submission device before retrying the portal.