Developers

Build on Utilkits

Every tool on this site, available to your code. Our public API is in active development — here's what's coming, and what you can already use today.

Coming soon: the Utilkits API

Merge PDFs, convert images, run calculations and more from your own code with simple HTTPS endpoints.

Self-serve keys, per-key rate limits and transparent usage-based pricing that scales with you.

Interactive reference docs, official SDKs and webhooks for long-running jobs.

Tell us what you're building and we'll put you on the beta list. No spam — one email when your key is ready.

Ask ChatGPT to use Utilkits tools directly in chat. Files are processed on our server and deleted within 1 hour.

Call Utilkits tools from Claude with the same one-hour file deletion guarantee.

SEO Inspector, PDF Tools, Image Tools and Text Tools — everything runs in your browser, nothing is collected.

Utilkits Offline Tools run on your own computer inside Claude. Your files never leave your machine.

Questions about integrations? Email support@utilkits.com.