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The correct YouTube Shorts cover size is 1080×1920 pixels. Resize your own image to exactly that, free, without uploading it anywhere.
The correct YouTube video thumbnail size is 1280×720 pixels. Resize your own image to exactly that, free, without uploading it anywhere.
Shrink an image file size with an adjustable quality slider, entirely in your browser. Free, no login, no upload.
Pick a size limit and the tool searches JPEG quality for a setting that fits where possible, reporting the target, the actual result and the difference.
Check a local video or image without uploading it: dimensions, aspect ratio, duration, exact file size, container extension and the MIME type the browser reports.
Everything for posting to Instagram Feed: aspect ratio and length limits, a safe-zone overlay, a caption checker, format compatibility answers and free browser-based cropping and compression. No login.
Best times to post on Instagram Feed: Weekdays 11am–1pm. Free reference based on typical audience activity, no login.
Check your caption against Instagram Feed's 2,200-character limit in real time. Free, nothing leaves your browser.
Shrink a video's file size for Instagram Feed (max ~4 GB) right in your browser. Free, no login, no upload.
Crop and scale any video to Instagram Feed's 1:1 or 4:5 frame (1080×1350) in your browser. Free, no upload.
AVI upload support for Instagram feed video or a carousel video item has not been reverified.
GIF upload support for Instagram feed video or a carousel video item has not been reverified.
MOV is a common Instagram video input; current feed video or a carousel video item support was not reverified.
WEBM upload support for Instagram feed video or a carousel video item has not been reverified.
Crop and scale any image to Instagram Feed's ideal 1080×1350 dimensions in your browser. Free, no upload.
Instagram Feed safe zone: top 4%, bottom 6%, sides 4% covered by the app's own interface. Free, nothing is uploaded.
Instagram Feed spec at a glance: 1080 x 1350px, 1:1 or 4:5 aspect ratio, depends on the video publishing surface; current limit not reverified, ~4 GB, 2200-character caption limit. Free, no login.
Keep the first 60 seconds of a video for Instagram Feed. Review the destination limits before posting. Free, no upload.
Measure a local video's duration for Instagram Feed. depends on the video publishing surface; current limit not reverified. Runs in your browser; no upload.
Everything for posting to Instagram Reels: aspect ratio and length limits, a safe-zone overlay, a caption checker, format compatibility answers and free browser-based cropping and compression. No login.
Best times to post on Instagram Reels: Weekdays 11am–1pm, when most feeds are refreshed on lunch breaks. Free reference based on typical audience activity, no login.
Check your caption against Instagram Reels's 2,200-character limit in real time. Free, nothing leaves your browser.
Shrink a video's file size for Instagram Reels (max ~4 GB) right in your browser. Free, no login, no upload.
Crop and scale any video to Instagram Reels's 9:16 frame (1080×1920) in your browser. Free, no upload.
AVI upload support for Instagram Reels has not been reverified.
GIF upload support for Instagram Reels has not been reverified.
MKV upload support for Instagram Reels has not been reverified.
MOV is a common Instagram video input; current Reels support was not reverified.
WEBM upload support for Instagram Reels has not been reverified.
Crop and scale any image to Instagram Reels's ideal 1080×1920 dimensions in your browser. Free, no upload.
Instagram Reels safe zone: top 10%, bottom 35%, sides 6% covered by the app's own interface. Free, nothing is uploaded.
Instagram Reels spec at a glance: 1080 x 1920px, 9:16 aspect ratio, current limit not reverified; check the Reels composer, ~4 GB, 2200-character caption limit. Free, no login.
Keep the first 90 seconds of a video for Instagram Reels. Review the destination limits before posting. Free, no upload.
Measure a local video's duration for Instagram Reels. current limit not reverified; check the Reels composer. Runs in your browser; no upload.
Everything for posting to LinkedIn: aspect ratio and length limits, a safe-zone overlay, a caption checker, format compatibility answers and free browser-based cropping and compression. No login.
Best times to post on LinkedIn: Weekday mornings 8–10am, before the workday fills up. Free reference based on typical audience activity, no login.
Check your caption against LinkedIn's 3,000-character limit in real time. Free, nothing leaves your browser.
Shrink a video's file size for LinkedIn (max 5 GB for organic video) right in your browser. Free, no login, no upload.
Crop and scale any video to LinkedIn's 16:9 or 9:16 frame (1920×1080) in your browser. Free, no upload.
Yes - LinkedIn lists AVI for organic video on desktop, iOS and Android.
Yes - LinkedIn documents MOV for organic video on desktop, iOS and Android.
Crop and scale any image to LinkedIn's ideal 1920×1080 dimensions in your browser. Free, no upload.
LinkedIn safe zone: top 4%, bottom 8%, sides 4% covered by the app's own interface. Free, nothing is uploaded.
LinkedIn spec at a glance: 1920 x 1080px, 16:9 or 9:16 aspect ratio, up to 15 minutes for organic video, 5 GB for organic video, 3000-character caption limit. Free, no login.
Keep the first 900 seconds of a video for LinkedIn. Review the destination limits before posting. Free, no upload.
Measure a local video's duration for LinkedIn. up to 15 minutes for organic video. Runs in your browser; no upload.
Rotate every page of an unencrypted PDF by 90, 180 or 270 degrees in an isolated browser worker, then reload and verify its page count and rotations.
Everything for posting to Pinterest: aspect ratio and length limits, a safe-zone overlay, a caption checker, format compatibility answers and free browser-based cropping and compression. No login.
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