Site Map
Last reviewed 2026-04-24.
A full index of every browser-based tool, long-form guide, and informational page on Free Tool Online. For the machine-readable version Google and other crawlers consume, see sitemap.xml. Every link below is a canonical URL; nothing here is a redirect alias.
Tools by category
The 100+ tools on the site are grouped into eight categories. Each category links to a dedicated hub page that covers the category in depth; below the hub you will find the individual tools in that category.
ZIP and archive tools
Browser-based compression and password workflows for ZIP archives. Hub: ZIP tools.
Image editing tools
Compress, resize, crop, and edit images directly in the browser. Hub: Image tools.
- Compress image
- Resize image
- Crop image
- Photo editor
- GIF maker
- Insights image optimizer
- Get JPEG compression level
- ImageMagick online
Image conversion tools
Convert between image formats (HEIC, JPG, PNG, SVG, Base64) in the browser. Hub: Image converters.
PDF tools
Compose, split, merge, protect, and convert PDFs fully in the browser. Hub: PDF tools.
- Compose PDF
- Split PDF by range
- Split PDF to each page
- Join PDF from multiple files
- Protect PDF by password
- Remove PDF password
- Preflight PDF
- Flatten PDF
- PDF to text
- PDF to images
- PDF to HTML
- Images to PDF
Developer tools
Minifiers, beautifiers, diff and generators used in day-to-day web development. Hub: Developer tools.
- JSON parser
- CSS minifier
- CSS unminifier
- JS minifier
- JS unminifier
- Text diff
- MD5 converter
- CSS gradient generator
- Text / HTML editor
Video tools
Browser-based video conversion and remixing via WebAssembly-powered FFmpeg. Hub: Video tools.
Device test tools
Quick browser-only checks for microphone, camera, display, and keyboard - the pre-meeting and pre-warranty-return checklist. Hub: Device test tools.
Utility tools
Timestamps, QR codes, and small utilities that do not fit the other categories. Hub: Utility tools.
Guides
Long-form guides covering decision trade-offs, step-by-step workflows, and editorial case studies. Every guide carries an explicit dateModified and an editorial byline.
- HEIC vs JPG vs WebP
- JPG vs PNG for the web
- PNG vs SVG: when to use each
- When to compress vs convert an image
- How to convert 100 HEIC photos to JPG
- PDF password types: owner vs user
- PDF vs HEIC for document archival
- PDF editing ladder
- How to sign a PDF after removing a password
- How to compress a folder for email
- CSS minifier vs CSS compressor
- How to minify CSS / JS for Cloud Run cold-start
- MD5 vs SHA-256: when to hash with each
- CSV vs JSON data formats
- Unix timestamps explained
- MP4 vs WebM for the web
- FFmpeg online vs local FFmpeg: when each wins
- How to extract frames from a GIF for a social post
- Dead-pixel testing guide
- How to test for dead pixels before returning a monitor
- How to check webcam and microphone before an interview
- Device-test checklist for remote work
- What we learned running free in-browser image tools for 100K monthly users
Resources
Informational pages for editorial context, contact, and policy.