CapyToolkit
CapyToolkit is a zero-cloud workbench for the jobs that interrupt development: decoding a JWT before it expires, reformatting a messy API response, testing one regex against five edge cases, or checking what a cron expression schedules. The collection holds 45 free tools, and the browser does all the work. The developer stack covers JSON formatting and tree browsing, a live regex tester with match debugging, JWT claims inspection, cron parsing, Base64 text and file conversion, hash generation across MD5, SHA-1, SHA-256, SHA-512, and HMAC, and UUID v1, v4, and v7. A SQL workbench queries local Parquet, CSV, and JSON files in place, and a log explorer filters and graphs files past 500 MB using Web Workers and IndexedDB. The same rules apply suite-wide: nothing is uploaded, nothing is stored, and no account is required. A prompt token counter estimates cost for dozens of LLM models, and a PII scrubber strips secrets before you paste logs into an AI chat.
Submitted by CapyToolkit
Reward: 5 credits per test
1 approved tests, 2 total
Built for: developers
About CapyToolkit
Is CapyToolkit legit?
CapyToolkit was listed on IndieAppCircle in September 2026 by CapyToolkit, who opened it to independent testers. 1 independent tester has used it since and had their feedback accepted by the maker (2 tests submitted in total). It is distributed through its own website at capytoolkit.com. IndieAppCircle is a peer feedback exchange, not a paid-review site: testers earn credits only for feedback the maker accepts, and nobody is paid to be positive. We record what happened here; we do not vouch for a product's business practices.
What platforms does CapyToolkit run on?
CapyToolkit runs on Web and Windows. The maker built it for developers.
Is CapyToolkit still looking for testers?
Yes. The maker pays 5 credits for each approved test. Sign in to IndieAppCircle, open the test instructions on this page, try the app and write up what worked, what confused you and what broke. Once the maker approves your feedback the credits are yours; feedback left unanswered for 48 hours is approved automatically.
How do testers review CapyToolkit on IndieAppCircle?
Testers are other indie developers. They open CapyToolkit, follow the maker's test instructions, and write up first impressions, confusing moments and bugs. The maker reads each write-up and either approves it — which pays the tester — or rejects it. Only approved feedback is counted on this page. There are no star ratings and IndieAppCircle pays nobody to review anything; it is a feedback exchange, not a review site.
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