Lab.
29 free tools and checks, with no account and no payment. Repeat work and fixed files are paid on the product they belong to.
New marks things released in the last 14 days.
Showing 29 of 29
Online shops
4
Checks for your store, product feed, speed and legal texts.
Invoices and banking
6
E-invoices, bank files, statements and partner lists.
- E-invoiceCheck, preview and create XMLSK EN DE
- pain.001 checkWhy the bank rejected the fileSK EN DE
- Statement to Excelcamt.053 and MT940 to a sheetSK EN DE
- Payment matcherStatement against invoicesSK EN DE
- pain.001 generatorBulk transfer from a tableSK EN DE
- EU sanctions checkYour partner list against the EU sanctions listSK EN DE
Texts and documents
4
Text, CVs and contract templates.
Websites and domains
2
What a website runs on and how a mail domain is set up.
For developers
13
Diagnostics for sign-in, redirect and webhook errors, the Puzzle API and Motion components.
- CORS DoctorThe missing header behind a CORS error and the fix for your serverEN
- JWT DoctorWhy a token fails: signature, expiry, algorithm, issuerEN
- Cookie DoctorThe attribute or line of code that drops your session cookieEN
- Redirect Loop DoctorThe two redirect rules fighting each other (ERR_TOO_MANY_REDIRECTS)EN
- Stripe Webhook DoctorWhy a Stripe webhook signature fails and how to fix itEN
- Firebase Auth Domain DoctorThe cause of auth/unauthorized-domain or a redirect sign-in that never returnsEN
- Google OAuth Redirect DoctorThe exact character where redirect_uri differsEN
- Supabase Redirect DoctorSupabase Auth redirect mismatches in Next.js, Vite and SvelteKitEN
- Flutter Supabase DoctorDeep link scheme, host and file for supabase_flutterEN
- Expo Links DoctorThe mismatch in apple-app-site-association or assetlinks.jsonEN
- Expo Supabase Auth DoctorOAuth redirects for Expo and SupabaseEN
- Puzzle API6000 logic puzzles as JSON and SVG, no keyEN
- ARLing MotionAnimated UI components for React and JavaScript, MIT licenceEN
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