Blog

Practical articles on Base64 encoding, HEIC and AVIF compression, PNG export, target KB sizes, PDF merge, and web performance.

• How to Compress a PDF Online (In Your Browser)

  Shrink existing PDF files privately in your browser with FileShrinkr Compress PDF. Learn quality vs size settings, render zoom, page limits, and when a PDF cannot get smaller.

• Reduce PDF File Size: Scanned vs Text PDFs

  Learn why some PDFs refuse to shrink online, how scanned pages differ from text PDFs, and practical FileShrinkr settings when Compress PDF reports “already efficient.”

• Compress PDF vs Image to PDF on FileShrinkr

  Clear comparison of FileShrinkr’s Compress PDF (browser) and Image to PDF (server) tools—when to use each, privacy differences, and quality trade-offs.

• How to Convert an Image to Base64 (Data URL Guide)

  Convert JPG, PNG, WEBP, or iPhone HEIC photos to Base64 strings or data URLs. When to use PNG vs JPG, how to copy results, and how FileShrinkr Base64 Tools keeps encoding in your browser.

• How to Convert iPhone HEIC Photos to JPG

  Convert iPhone HEIC/HEIF photos to JPG for email, Windows PCs, and government form uploads. Use FileShrinkr Server mode, strip EXIF, and hit KB limits without installing desktop software.

• How to Compress an Image to 100 KB (or 20 KB)

  Hit 20 KB, 100 KB, or 500 KB upload limits for government forms and job portals. Resize first, then use FileShrinkr target file size presets for JPG, WEBP, or AVIF.

• PNG vs JPG: When to Use Each Format

  Choose PNG for transparency and sharp graphics, JPG for photos and form uploads. Learn when WEBP or AVIF win for the web, and how FileShrinkr exports each format.

• How to Resize Photos for Government Exam Forms

  Resize and compress passport-style photos for SSC, UPSC, railway, and state recruitment portals. Meet pixel dimensions, JPG format, and 20–100 KB file-size limits.

• How to Compress Images Without Losing Quality

  Learn practical techniques to shrink JPG, PNG, WEBP, and HEIC file sizes while keeping photos sharp. Covers AVIF export, target KB sizes (20–500 KB), quality settings, and lossless PNG or PDF options.

• Best Image Format for Websites: JPG vs WEBP vs AVIF vs PNG (2026)

  Compare JPG, WEBP, AVIF, PNG, and SVG for web publishing. File size benchmarks, browser compatibility tables, HTML picture-tag code, and practical advice for choosing the right image format in 2026.

• How to Merge Images into One PDF

  Step-by-step guidance for combining JPG, PNG, WEBP, and HEIC images into a single PDF. Covers merge order, compressed versus lossless export, and practical use cases.

• How to Prepare Images for Email Attachments

  Shrink photos and scans to fit Gmail, Outlook, and corporate email limits. Target KB presets, dimensions, and format choice before you hit send.

• Understanding Image DPI and Resolution for Web

  Clarify pixels versus DPI, what resolution matters on screens versus print, and how to export web images that look sharp without wasting bandwidth.