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Hands-on, no-fluff guides for the people landing on freetoolonline.com tools. Every guide pairs the problem to the right tool, walks the steps, and explains the trade-offs, so you finish in a couple of minutes instead of two browser tabs. Many linked tools run right in your browser; the file-conversion tools upload over HTTPS and clear the working copy after a short window.

1820 English guides grouped by the kind of task you came to do. Where a guide also has an Indonesian or Portuguese edition, the language link sits on the guide page itself. If you are not sure which group your question lives in, the search box on the home page covers every guide and tool by keyword.

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Space 3D

Dinosaurs 3D

  • Ankylosaurus 3D Viewer vs AR Apps

    Ankylosaurus 3D Viewer vs phone AR - browser WebGL, no install, no room AR; ~6.25 m and 4.8 t on hand; artistic armor and clubTail honesty disclosed.

  • Ankylosaurus Size Comparisons

    Compare Ankylosaurus length about 6.25 m, hip height about 1.7 m, and weight about 4.8 t with a 1.8 m person - how Size vs human stays honest.

  • How to View Ankylosaurus in 3D Online

    Rotate an armored Ankylosaurus in your browser - drag to rotate, Size vs human vs 1.8 m, click head or club tail for fossil facts, use Fullscreen and Idle moti...

  • How to View Mosasaurus in 3D

    Open the Mosasaurus 3D Viewer, rotate and zoom the marine reptile, toggle size vs a 1.8 m person, and click the head, a flipper, or the tail for fossil facts.

  • How to View Pteranodon in 3D Online

    Rotate a crested Pteranodon pterosaur in your browser - drag to rotate, Size vs human vs 1.8 m wingspan scale, click crest or wing for a fossil fact.

  • How to View Stegosaurus in 3D Online

    Rotate a plated Stegosaurus in your browser - drag to rotate, Size vs human vs 1.8 m, click head or back plate for fossil facts, use Fullscreen and Idle motion.

  • How to View Triceratops in 3D

    Spin an 8-9 m Triceratops in your browser - drag to rotate, Size vs human vs 1.8 m, click the frill or a horn for fossil facts, use Fullscreen and Idle motion.

  • How to View Tyrannosaurus rex in 3D

    Open the Tyrannosaurus rex 3D Viewer, rotate and zoom the model, toggle size vs a 1.8 m person, and click body parts to read the fossil facts panel.

  • Mosasaurus 3D Viewer vs AR Apps

    Compare the Mosasaurus in-browser 3D viewer to phone AR apps and museum visits - WebGL ~0.7 MB cached, no account, no room AR, published 11-17 m figures on han...

  • Mosasaurus Size Comparisons Explained

    Compare Mosasaurus length about 11-17 m and weight up to about 10 tonnes with a 1.8 m person - how the Size vs human toggle stays honest in the 3D viewer.

  • Pteranodon 3D Viewer vs AR Apps

    Pteranodon 3D Viewer vs phone AR - browser WebGL, no install, no room AR; wingspan ~6.5 m and pterosaur (not dinosaur) facts; artistic reconstruction honesty.

  • Pteranodon Size Comparison vs a Person

    Compare Pteranodon wingspan about 6.5 m (adult males ~5.6-7.6 m) and weight about 25 kg (~20-50 kg) with a 1.8 m person - pterosaur, not a dinosaur.

  • Stegosaurus 3D Viewer vs AR Apps

    Stegosaurus 3D Viewer vs phone AR - browser WebGL, no install, no room AR; published ~9 m and 3.5-5 t on hand; artistic plates and debated plate function discl...

  • Stegosaurus Size Comparisons Explained

    Compare Stegosaurus length about 9 m, hip height about 2.5 m, and weight about 3.5-5 t with a 1.8 m person - how Size vs human stays honest.

  • Triceratops 3D Viewer vs AR Apps

    Compare the Triceratops in-browser 3D viewer to phone AR apps and museum visits - no account, no room AR, school-bus-scale figures (about 8-9 m, 5.4-10 t) on h...

  • Triceratops Size Comparisons Explained

    Compare Triceratops length about 8-9 m, shoulder height about 3 m, and weight about 5.4-10 t with a 1.8 m person - how Size vs human stays honest.

  • Tyrannosaurus rex 3D Viewer vs AR Apps

    Compare the in-browser Tyrannosaurus rex 3D Viewer with phone AR apps, museum fossils, and static images - install size, AR placement, and when each fits.

  • Tyrannosaurus rex Size Comparison

    See Tyrannosaurus rex vs a 1.8 m person - about 12.3 m long, 3.7 m at the hips, 8.9 tonnes - using the honest size-vs-human toggle in the 3D viewer.

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Reviewed by the Free Tool Online editorial team · Tested in the current versions of Chrome, Firefox, Safari, and Edge before publishing. No account is needed to use any tool. Report a bug - we triage within 72 hours. · Last refreshed April 2026.

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