JAR Tools — Online JAR Editor & Java Decompiler

Work with .jar files directly in your browser. View, search, edit, and manage Java archives with a modern, secure interface — no installs, no uploads.

Try Pro free for 7 days — cancel anytime.
Best value: $24/year (2 months free) • Monthly: $2.99

What you can do

• Drag & drop .jar files with built-in validation.
• Browse fast via a hierarchical file tree (expand/collapse, resizable panel, color indicators).
• Preview .class files (readable strings) + hex view for binaries.
• Edit text files with syntax highlighting; revert or discard changes.
• Search across the entire JAR (text & binary), jump to results, filter the tree.
• Download individual files or keep changes in memory until you’re ready to save.

Security-first by design

• Everything runs locally in your browser — nothing is uploaded to our servers.
• Non-destructive workflow preserves your original file.
• Clear disclaimers and risk acknowledgment built in.

JAR Tools Pro — Unlock everything

• Java Decompiler — Unlimited
• Batch Decompilation — Unlimited
• Save Modified JAR — Unlimited
• String Editor

Launch Offer: $24/year (2 months free) or $2.99/month.
7-day free trial with payment method • 14-day money-back guarantee after your first charge.

Perfect for

• Developers who need to inspect and modify JARs quickly.
• Anyone who wants to search or tweak resources and configs inside a JAR.
• Working with .class files safely, with readable previews.

Pricing

• Free: Use core tools at jar.tools.
• Pro Monthly: $2.99 — cancel anytime.
• Pro Annual (Recommended): $24/year — 2 months free vs monthly.
  All prices tax-inclusive where applicable.

Trial & Refunds: Start with a 7-day free trial (card required). If you’re charged and it’s not for you, email support within 14 days for a full refund.

FAQs

Do you upload my files? No. All processing happens locally in your browser.
Is decompilation offline? Yes—once the page loads, analysis runs locally.
Can I cancel anytime? Yes. Cancel during the trial to avoid charges, or anytime after.
VAT/taxes? Shown prices include taxes where applicable.

Get started

Use it free at jar.tools, then upgrade to Pro for unlimited decompilation and saving.

Business inquiries –  igor@igorstechnoclub.com