Guides on compressing images and PDFs to exact sizes for forms, portals, email and the web.https://mb2kb.onlineenhttps://mb2kb.online/blog/convert-heic-to-jpg-for-online-formshttps://mb2kb.online/blog/convert-heic-to-jpg-for-online-formsConvert an iPhone HEIC photo to JPG for an online form, then check its file size and pixels. Includes Safari, iCloud and Mac fallback steps.Tue, 03 Nov 2026 05:00:00 GMThow-toHEIC to JPGiPhone photoonline formJPG uploadphoto file sizehttps://mb2kb.online/blog/compress-signature-image-to-20kbhttps://mb2kb.online/blog/compress-signature-image-to-20kbMake a clear signature JPG under 20 kB for an online form. Check the required size range and dimensions, crop safely, and inspect the final download.Sat, 31 Oct 2026 00:00:00 GMThow-tosignature imagecompress signature to 20kbsignature JPGonline formsimage dimensionshttps://mb2kb.online/blog/passport-size-photo-in-pixelshttps://mb2kb.online/blog/passport-size-photo-in-pixels3.5 × 4.5 cm is 276 × 354 px at 200 DPI and 413 × 531 px at 300 DPI. Get the formula, a DPI table and the rule for forms that list their own pixels.Sat, 31 Oct 2026 00:00:00 GMTguidespassport size photophoto dimensionspixelsDPIphoto uploadhttps://mb2kb.online/blog/file-small-enough-upload-rejectedhttps://mb2kb.online/blog/file-small-enough-upload-rejectedFix image and PDF upload errors even when the file looks small enough: check exact bytes, format, dimensions, minimum limits and the file you selected.Mon, 19 Oct 2026 04:00:00 GMThow-toupload errorsfile size limitskB vs KiBPDF uploadhttps://mb2kb.online/blog/image-dimensions-vs-file-sizehttps://mb2kb.online/blog/image-dimensions-vs-file-sizePixels and kB measure different things. Learn how to meet a form's width, height and file-size limits without stretching a photo or cropping key details.Sun, 18 Oct 2026 04:00:00 GMTguidesimage dimensionsfile sizeresize imagesupload requirementshttps://mb2kb.online/blog/compress-png-keep-transparent-backgroundhttps://mb2kb.online/blog/compress-png-keep-transparent-backgroundKeep a logo or cutout transparent while reducing its size. Learn which output format to choose, what PNG can shrink, and how to check edge quality.Sat, 17 Oct 2026 04:00:00 GMTformatsPNG compressiontransparencylogo optimizationWebPhttps://mb2kb.online/blog/reduce-scanned-pdf-size-readablehttps://mb2kb.online/blog/reduce-scanned-pdf-size-readableA practical workflow for smaller scanned PDFs: improve the source, choose color carefully, budget for page count and inspect small text before submitting.Fri, 16 Oct 2026 04:00:00 GMThow-toscanned PDFPDF compressiondocument scansreadable texthttps://mb2kb.online/blog/compress-pdf-keep-text-selectablehttps://mb2kb.online/blog/compress-pdf-keep-text-selectableLearn when PDF compression preserves searchable text, when it turns pages into images, and how to check links, forms and readability before uploading.Thu, 15 Oct 2026 00:00:00 GMTguidesPDF compressionsearchable PDFselectable textPDF qualityhttps://mb2kb.online/blog/best-image-formats-for-web-performancehttps://mb2kb.online/blog/best-image-formats-for-web-performanceJPEG, PNG, WebP, AVIF and JPEG XL compared for 2026 web performance: real file-size savings, browser support figures, a comparison table and a use-case guide.Tue, 13 Oct 2026 00:00:00 GMTformatsimage formatsWebPAVIFJPEG XLweb performancehttps://mb2kb.online/blog/bulk-image-compression-guidehttps://mb2kb.online/blog/bulk-image-compression-guideWhen bulk image compression beats one-by-one work, which tools take 200 files at once, how they pick quality, and a six-step workflow for consistent output.Fri, 09 Oct 2026 00:00:00 GMTguidesbulk image compressionbatch compressioncompress multiple imagesimage compressor onlineworkflowhttps://mb2kb.online/blog/image-compression-for-email-attachmentshttps://mb2kb.online/blog/image-compression-for-email-attachmentsCompress images for email without bounces: Gmail, Outlook, Yahoo and iCloud attachment limits, the hidden encoding overhead, kB targets and six quick steps.Wed, 07 Oct 2026 00:00:00 GMTguidescompress images for emailemail attachmentsattachment size limitGmailOutlookreduce image sizehttps://mb2kb.online/blog/why-compress-images-for-webhttps://mb2kb.online/blog/why-compress-images-for-webWhy compress images for web pages? Heavy files slow loading, hurt Core Web Vitals and lose visitors. Page-weight figures, Google's thresholds and kB targets.Mon, 05 Oct 2026 00:00:00 GMTwebweb performancepage speedCore Web VitalsLCPimage optimisationhttps://mb2kb.online/blog/reduce-image-size-without-losing-qualityhttps://mb2kb.online/blog/reduce-image-size-without-losing-qualityHow to reduce image size without losing quality: pick the right format, resize to the pixels you need, and let a kB-target tool find the quality that fits.Fri, 02 Oct 2026 00:00:00 GMTguidesimage compressionimage qualityresize imagesJPEG qualityfile sizehttps://mb2kb.online/blog/jpeg-vs-png-vs-webphttps://mb2kb.online/blog/jpeg-vs-png-vs-webpJPEG, PNG and WebP compared: compression type, transparency, typical file sizes and browser support, plus a checklist for photos, logos and portal uploads.Wed, 16 Sep 2026 00:00:00 GMTformatsJPEGPNGWebPimage formatsformat comparisonhttps://mb2kb.online/blog/how-image-compression-workshttps://mb2kb.online/blog/how-image-compression-worksHow image compression works in plain language: what JPEG and PNG do to your pixels, what lossy and lossless really mean, and how a kB-target tool picks quality.Mon, 14 Sep 2026 00:00:00 GMTformatsimage compressionlossy vs losslessJPEGPNGWebPhttps://mb2kb.online/blog/compress-images-for-job-applicationshttps://mb2kb.online/blog/compress-images-for-job-applicationsPrepare a job-application photo, signature, resume and certificates without upload errors: formats, size targets, dimensions and quality checks.Thu, 16 Jul 2026 00:00:00 GMTguidesjob applicationsprofile photoresume PDFsignature uploadimage compressionhttps://mb2kb.online/blog/compress-images-for-government-formshttps://mb2kb.online/blog/compress-images-for-government-formsPrepare photos, signatures, thumb impressions and document scans for government forms: size ranges, dimensions, formats and a pre-upload checklist.Mon, 15 Jun 2026 00:00:00 GMTguidesgovernment formsimage compressionapplication photosignature uploaddocument scanhttps://mb2kb.online/blog/compress-image-to-50kbhttps://mb2kb.online/blog/compress-image-to-50kbCompress a photo, signature or thumb impression to 50 kB: the right pixel dimensions, JPG settings and a step-by-step method for strict upload limits.Thu, 14 May 2026 00:00:00 GMThow-tocompress image to 50kbphoto sizesignaturegovernment formsJPGhttps://mb2kb.online/blog/compress-image-to-200kbhttps://mb2kb.online/blog/compress-image-to-200kbCompress a photo or document scan to 200 kB with the right dimensions and format, plus exact steps for portal, profile, email and web uploads.Mon, 13 Apr 2026 00:00:00 GMThow-tocompress image to 200kbphoto sizeimage qualityJPGapplication photohttps://mb2kb.online/blog/reduce-passport-photo-sizehttps://mb2kb.online/blog/reduce-passport-photo-sizeReduce a passport-style photo to the file size and dimensions a form accepts while keeping the face clear, the ratio correct and the background clean.Mon, 13 Apr 2026 00:00:00 GMThow-topassport photo sizecompress passport photoapplication photoJPGphoto dimensionshttps://mb2kb.online/blog/compress-image-to-100kbhttps://mb2kb.online/blog/compress-image-to-100kbMake a photo, signature, declaration or scan 100 kB without guesswork: recommended dimensions, format choices and a step-by-step quality check.Thu, 12 Mar 2026 00:00:00 GMThow-tocompress image to 100kbphoto compressorexact file sizeJPGapplication formshttps://mb2kb.online/blog/image-size-requirements-indian-government-websiteshttps://mb2kb.online/blog/image-size-requirements-indian-government-websitesCurrent 2026 photo, signature and certificate upload ranges for major Indian exam and recruitment portals, with source links and preparation advice.Sat, 10 Jan 2026 00:00:00 GMTrequirementsIndian government websitesphoto size requirementssignature sizeexam formsdocument upload