Issues

• Some photos will rotate when resize but not all photos

  coobird/thumbnailator#235 · Filter by author vinayak-educloud opened on Sep 9, 2026

• Memory management question relative to native memory accumulation (v0.4.21)

  coobird/thumbnailator#234 · Filter by author kidi opened on Jun 16, 2026

• NullPointerException with Null Context Class Loader

  coobird/thumbnailator#233 · Filter by author jghansell opened on May 12, 2026

• May I ask which version of JDK is being used with Thumbnailator?

  question
  coobird/thumbnailator#232 · Filter by author qiyuxiao248 opened on Mar 18, 2026
  1

• Support for multiline text and text wrapping in Caption filter

  enhancement
  coobird/thumbnailator#229 · Filter by author artyomsv opened on Dec 25, 2025
  4

• I thought we should build CI-Tests for our project, do you have plan for this?

  coobird/thumbnailator#227 · Filter by author who-am-i1504 opened on Apr 10, 2025
  1

• may you create a security policy like this?

  coobird/thumbnailator#226 · Filter by author who-am-i1504 opened on Apr 10, 2025

• Thumbnail generation fails for certain image types

  coobird/thumbnailator#223 · Filter by author BaolCristian opened on Jan 20, 2025
  2

• WebP images turn green

  coobird/thumbnailator#221 · Filter by author filex88 opened on Jun 20, 2024
  1

• jpg color turn red

  coobird/thumbnailator#219 · Filter by author ikbujnh opened on Feb 19, 2024
  2

• javax.imageio.IIOException: Invalid JPEG file structure: two SOF markers

  coobird/thumbnailator#210 · Filter by author dacr opened on Aug 6, 2023
  1

• Image color loss during conversion

  coobird/thumbnailator#201 · Filter by author aleksanderFox opened on Nov 9, 2022
  3

• Jigsaw modules support

  breaking-changeenhancement
  coobird/thumbnailator#196 · Filter by author Auties00 opened on May 27, 2022
  5

• Expose metrics for internal processes

  enhancement
  coobird/thumbnailator#194 · Filter by author coobird opened on Apr 29, 2022

• Require explicitly setting image type when outputting to BufferedImage(s)

  breaking-change
  coobird/thumbnailator#192 · Filter by author coobird opened on Mar 26, 2022

• Option to ignore errors during bulk processing

  enhancement
  coobird/thumbnailator#189 · Filter by author coobird opened on Mar 5, 2022

• Atomic operations for bulk processing

  enhancement
  coobird/thumbnailator#188 · Filter by author coobird opened on Mar 5, 2022

• Code improvement large images - OutOfMemoryError

  coobird/thumbnailator#187 · Filter by author JayJayBinks opened on Feb 17, 2022
  1

• By default, do not change file extensions when it doesn't match output format's

  breaking-change
  coobird/thumbnailator#186 · Filter by author coobird opened on Feb 11, 2022
  2

• Neon sign fade color in jpeg image after resize

  coobird/thumbnailator#182 · Filter by author MaxMuhachev opened on Nov 3, 2021
  4

• Bicubic scaling looks like bilinear

  coobird/thumbnailator#179 · Filter by author NathanSweet opened on Sep 30, 2021
  2

• Allow setting margins (insets) for watermarks

  enhancement
  coobird/thumbnailator#177 · Filter by author rider87 opened on Sep 21, 2021
  4

• Would it be easy to generate circular images?

  coobird/thumbnailator#174 · Filter by author rocboronat opened on Jun 18, 2021
  2

• Can I set max-size instead of just size? (Only scale down)

  enhancement
  coobird/thumbnailator#152 · Filter by author ILyaCyclone opened on Apr 13, 2020
  5

• Slow zoom

  coobird/thumbnailator#142 · Filter by author salamanders opened on Apr 2, 2019