Side-by-side comparison of two listed Dev Tools — real listing data only, no paid placement.
On record, they differ in: unique tags (Make Bookmarklets 4: #bookmarklet #javascript #code-generator +1 more vs ImageOptim 4: #image-optimization #mac #open-source +1 more); category rank (Make Bookmarklets #22 vs ImageOptim not in top 50). Same pricing model (Free) and category (Dev Tools). Listing facts only — not a recommendation.
Clean and easy bookmarklet generator
Make Bookmarklets is a browser-based tool for creating and testing bookmarklets. It automatically wraps JavaScript in an IIFE, provides linting, multiline cursor, intellisense, and minification. The tool works well on mobile devices and includes example bookmarklets for reference.
Published 2026-08-08 · Links checked 2026-09-06
Free open-source image compression for Mac
ImageOptim is a free, open-source Mac application that reduces image file sizes without sacrificing quality, making web pages and apps load faster. It removes invisible metadata like EXIF data, embedded thumbnails, and unnecessary color profiles to protect privacy and save space. The tool integrates multiple optimization engines, including MozJPEG, pngquant, Pngcrush, 7zip, SVGO, and Google Zopfli, and supports drag-and-drop for ease of use.
Published 2026-08-08 · Links checked 2026-09-06
| Make Bookmarklets | ImageOptim | |
|---|---|---|
| Pricing | Free | Free |
| Category | Dev Tools | Dev Tools |
| Rank in Dev Tools | Position #22 of 77 | not in top 50 of 77 |
| Alternatives listed | 10 → | 12 → |
| Shared tags | #indie | |
| Unique tags | #bookmarklet #javascript #code-generator #browser-tool | #image-optimization #mac #open-source #compression |
| Platforms | Not detected on official site (checked 2026-09-20) | macOS |
| Source code | Not detected on official site (checked 2026-09-20) | github.com/ImageOptim/ImageOptim |
| In their own words | A bookmarklet generator which is clean and easy to use. Create and test bookmarklets in your browser. Extend your browsing experience any way you see fit.— official site (homepage description), checked | A free app that makes images load faster and take less disk space, without sacrificing quality. Removes private EXIF data from photos and improves compression.— official site (homepage description), checked |
| Official website | make-bookmarklets.com | imageoptim.com |
| Site preview | ||
Rank = neutral rotation by listing ID, not a quality score · how it works
Only platforms with an official store or installer link are listed; others may exist.
Make Bookmarklets is Free; ImageOptim is Free. Both are listed in Dev Tools on ToolDock.
What they have in common: #indie
Make Bookmarklets is listed as free; ImageOptim is listed as free. Pricing label set at listing time; official pricing page linked where verified — see each official website for current details.
Both are Dev Tools listed on ToolDock, and they share the tag indie.
ToolDock keeps a tag-matched alternatives list for each: see Make Bookmarklets alternatives and ImageOptim alternatives.