100% Browser-Based · No Install Required

Free Web Developer Tools

Every tool on WebToolChest runs entirely in your browser. No server uploads, no account required for free tasks, and no data ever leaves your device.

Free tier is genuinely useful. Each tool has a meaningful free limit — enough for everyday single-page and small-batch work. Pro unlock ($59 one-time) removes limits and adds batch, export, and cross-tool workflows site-wide.
Website Tools

Build, maintain, and audit your website with these browser-based tools.

SEO

SEO IT

Generate complete page SEO packs — title, meta, canonical, OG, Twitter Card, JSON-LD — from a single URL or ZIP of pages.

HTML

HTML IT

Review and clean HTML files. Catch missing tags, bad structure, and code quality issues before deployment.

Redirects

Redirect IT

Build and manage 301 and 302 redirect rules. Export deployment-ready redirect files.

Sitemaps

Sitemap IT

Generate XML sitemaps from a ZIP of pages. Control priority, changefreq, and lastmod per URL.

Crawl Control

Robot IT

Build and edit your robots.txt file visually. Preview how crawlers will read your rules.

Link Audit

Link IT

Scan pages for broken links, missing anchors, and redirect chains. Free up to 75 links per scan.

Navigation

Nav IT

Extract and review navigation structure from your pages. Validate menu depth and link targets.

Testing

Test IT

Run pre-launch checks across your pages. Validate titles, descriptions, canonicals, and more.

Images

Image IT

Compress and process images for the web. Batch resize, convert, and optimize without leaving your browser.

File Packaging

ZIP IT

Create, inspect, and extract ZIP files in the browser. Organize deployment packages cleanly.

File & Content Tools

Work with text, formatting, and file content directly in the browser.

Documents

Sign IT

Review, annotate, and sign documents in-browser. Keep everything local and private.

Keywords

Keyword IT

Research and organize keyword lists for SEO strategy and content planning.

Backup

Backup IT

Back up files and browser-stored data. Keep a recovery copy of your work.