Chaque feature, correctif et amélioration livrés sur FerrLens.https://ferrlens.com/fr-frhttps://ferrlens.com/fr/changelog/2026-05-21-ferrlens-ascii-unicode/https://ferrlens.com/fr/changelog/2026-05-21-ferrlens-ascii-unicode/Codepoint-by-codepoint breakdown of any string — UTF-8 bytes, UTF-16 units, HTML entities, CSS escape and Unicode block.Thu, 21 May 2026 06:20:00 GMTferrlensnewhttps://ferrlens.com/fr/changelog/2026-05-21-ferrlens-punycode/https://ferrlens.com/fr/changelog/2026-05-21-ferrlens-punycode/Internationalised domain names (IDN) to ASCII Punycode and back, using the browser's native URL parser.Thu, 21 May 2026 06:15:00 GMTferrlensnewhttps://ferrlens.com/fr/changelog/2026-05-21-ferrlens-ip-cidr/https://ferrlens.com/fr/changelog/2026-05-21-ferrlens-ip-cidr/IPv4 and IPv6 CIDR math — network, broadcast, usable host range, netmask, total hosts, and address classification.Thu, 21 May 2026 06:10:00 GMTferrlensnewhttps://ferrlens.com/fr/changelog/2026-05-21-ferrlens-user-agent/https://ferrlens.com/fr/changelog/2026-05-21-ferrlens-user-agent/Break down any User-Agent string into browser, engine, OS, device and bot heuristics — no remote call.Thu, 21 May 2026 06:05:00 GMTferrlensnewhttps://ferrlens.com/fr/changelog/2026-05-21-ferrlens-http-status/https://ferrlens.com/fr/changelog/2026-05-21-ferrlens-http-status/Searchable dictionary of HTTP status codes — number, reason phrase, category and what each one actually means in practice.Thu, 21 May 2026 06:00:00 GMTferrlensnewhttps://ferrlens.com/fr/changelog/2026-05-20-ferrlens-sitemap/https://ferrlens.com/fr/changelog/2026-05-20-ferrlens-sitemap/Fetch a sitemap.xml or a sitemap index, validate the XML, list child sitemaps or sample the URLs with lastmod / changefreq / priority.Wed, 20 May 2026 06:25:00 GMTferrlensnewhttps://ferrlens.com/fr/changelog/2026-05-20-ferrlens-robots/https://ferrlens.com/fr/changelog/2026-05-20-ferrlens-robots/Fetch and parse a domain's robots.txt, simulate a crawl decision for any User-Agent + path, list every declared sitemap.Wed, 20 May 2026 06:20:00 GMTferrlensnewhttps://ferrlens.com/fr/changelog/2026-05-20-ferrlens-sec-headers/https://ferrlens.com/fr/changelog/2026-05-20-ferrlens-sec-headers/Score any URL on CSP, HSTS, X-Frame, X-Content-Type, Referrer-Policy, Permissions-Policy, COOP and CORP. A+ to F grade out of 90 points.Wed, 20 May 2026 06:15:00 GMTferrlensnewhttps://ferrlens.com/fr/changelog/2026-05-20-ferrlens-http-headers/https://ferrlens.com/fr/changelog/2026-05-20-ferrlens-http-headers/Fetch any URL, see every response header, the full redirect chain, and the time it took. Like curl -ILv but rendered nicely.Wed, 20 May 2026 06:10:00 GMTferrlensnewhttps://ferrlens.com/fr/changelog/2026-05-20-ferrlens-reverse-dns/https://ferrlens.com/fr/changelog/2026-05-20-ferrlens-reverse-dns/IP address (v4 or v6) → PTR hostname lookup. Useful for tracing the rDNS of a mail server or checking that your IP resolves to the hostname you think it does.Wed, 20 May 2026 06:05:00 GMTferrlensnewhttps://ferrlens.com/fr/changelog/2026-05-20-ferrlens-dns-lookup/https://ferrlens.com/fr/changelog/2026-05-20-ferrlens-dns-lookup/A · AAAA · MX · TXT · NS · SOA · SRV in one shot, queried in parallel against Cloudflare's public resolvers.Wed, 20 May 2026 06:00:00 GMTferrlensnewhttps://ferrlens.com/fr/changelog/2026-05-19-ferrlens-diff-tool/https://ferrlens.com/fr/changelog/2026-05-19-ferrlens-diff-tool/Paste two blobs, get a side-by-side or unified diff with inline character highlights. Whitespace and case toggles. Fully client-side — the URL fragment encodes both inputs so you can share without uploading anything.Tue, 19 May 2026 22:00:00 GMTferrlensnewhttps://ferrlens.com/fr/changelog/2026-05-19-ferrlens-localtime-and-sse-hook/https://ferrlens.com/fr/changelog/2026-05-19-ferrlens-localtime-and-sse-hook/Snapshot timestamps and scan-fetched-at on shared SEO pages used to render in the server's timezone. They now show in yours. Plus a reusable SSE hook so future streaming tools share the same pattern as the SEO checker.Tue, 19 May 2026 19:00:00 GMTferrlensfixhttps://ferrlens.com/fr/changelog/2026-05-19-ferrlens-spam-score/https://ferrlens.com/fr/changelog/2026-05-19-ferrlens-spam-score/Drop a subject + body, get a 0-10 spam score with the exact rules that flagged each line. Runs entirely in your browser — your draft never leaves the page.Tue, 19 May 2026 17:45:00 GMTferrlensnewhttps://ferrlens.com/fr/changelog/2026-05-19-ferrlens-email-verify/https://ferrlens.com/fr/changelog/2026-05-19-ferrlens-email-verify/Syntax + MX record check + disposable-provider list + role-based local-part detection. Real SMTP probe comes later.Tue, 19 May 2026 17:40:00 GMTferrlensnewhttps://ferrlens.com/fr/changelog/2026-05-19-ferrlens-blacklist/https://ferrlens.com/fr/changelog/2026-05-19-ferrlens-blacklist/Query an IP or domain against 30 major DNSBLs (Spamhaus, SpamCop, Barracuda, SORBS, UCEProtect, Mailspike, …) in parallel. Verdict in under a second.Tue, 19 May 2026 17:35:00 GMTferrlensnewhttps://ferrlens.com/fr/changelog/2026-05-19-ferrlens-spf-dmarc/https://ferrlens.com/fr/changelog/2026-05-19-ferrlens-spf-dmarc/Pull, parse and score a domain's email-authentication TXT records — SPF mechanisms, DMARC policy + reports, ~30 common DKIM selectors checked in parallel.Tue, 19 May 2026 17:30:00 GMTferrlensnewhttps://ferrlens.com/fr/changelog/2026-05-19-ferrlens-french-localisation/https://ferrlens.com/fr/changelog/2026-05-19-ferrlens-french-localisation/38 nouvelles routes /fr/ — home, pricing, account, les 8 pages légales, le changelog et les 21 outils — avec un sélecteur EN/FR en haut de chaque page.Tue, 19 May 2026 16:30:00 GMTferrlensnewhttps://ferrlens.com/fr/changelog/2026-05-19-ferrlens-compressed-share-links/https://ferrlens.com/fr/changelog/2026-05-19-ferrlens-compressed-share-links/Share links from any tool now embed state as a single lz-string-compressed JSON blob instead of plain key=value pairs — 30-70% shorter, no longer human-readable.Tue, 19 May 2026 16:00:00 GMTferrlensperfhttps://ferrlens.com/fr/changelog/2026-05-19-ferrlens-live-seo-scan/https://ferrlens.com/fr/changelog/2026-05-19-ferrlens-live-seo-scan/The SEO checker no longer waits 20 s before showing anything. Core Web Vitals appear in ~3 s, then full Lighthouse scores fill in. Chromium is now pooled, K8s right-sized, perf flags fixed.Tue, 19 May 2026 16:00:00 GMTferrlensperfhttps://ferrlens.com/fr/changelog/2026-05-19-ferrlens-text-stats/https://ferrlens.com/fr/changelog/2026-05-19-ferrlens-text-stats/Characters, words, lines, sentences, paragraphs, reading time and approximate LLM token count for any block of text.Tue, 19 May 2026 14:20:00 GMTferrlensnewhttps://ferrlens.com/fr/changelog/2026-05-19-ferrlens-luhn-iban/https://ferrlens.com/fr/changelog/2026-05-19-ferrlens-luhn-iban/Validate credit card numbers with the Luhn algorithm and issuer detection, or IBANs with a mod-97 check and per-country length validation.Tue, 19 May 2026 14:18:00 GMTferrlensnewhttps://ferrlens.com/fr/changelog/2026-05-19-ferrlens-file-hash/https://ferrlens.com/fr/changelog/2026-05-19-ferrlens-file-hash/Drop a file, get its MD5, SHA-1, SHA-256 and SHA-512 — computed locally, the file never leaves your browser.Tue, 19 May 2026 14:15:00 GMTferrlensnewhttps://ferrlens.com/fr/changelog/2026-05-19-ferrlens-jwt-signature-verify/https://ferrlens.com/fr/changelog/2026-05-19-ferrlens-jwt-signature-verify/Verify a JWT against a public key (PEM or JWK) — HS, RS, PS and ES families, all algorithms — through the native Web Crypto API.Tue, 19 May 2026 14:12:00 GMTferrlensnewhttps://ferrlens.com/fr/changelog/2026-05-19-ferrlens-base-converter/https://ferrlens.com/fr/changelog/2026-05-19-ferrlens-base-converter/Convert between binary, octal, decimal and hex with BigInt arithmetic — no precision loss even on 128-bit numbers.Tue, 19 May 2026 14:10:00 GMTferrlensnewhttps://ferrlens.com/fr/changelog/2026-05-19-ferrlens-slugify/https://ferrlens.com/fr/changelog/2026-05-19-ferrlens-slugify/Turn any string — accented, punctuated, multi-word — into a clean URL slug. Configurable separator, max length, and case.Tue, 19 May 2026 14:08:00 GMTferrlensnewhttps://ferrlens.com/fr/changelog/2026-05-19-ferrlens-case-converter/https://ferrlens.com/fr/changelog/2026-05-19-ferrlens-case-converter/Convert between 11 case styles — camelCase, PascalCase, snake_case, SCREAMING_SNAKE, kebab-case, COBOL-CASE, dot.case, Title Case, Sentence case, lower, UPPER.Tue, 19 May 2026 14:05:00 GMTferrlensnewhttps://ferrlens.com/fr/changelog/2026-05-19-ferrlens-user-menu/https://ferrlens.com/fr/changelog/2026-05-19-ferrlens-user-menu/Signed-in users now see an avatar + tier pill in the FerrLens navbar instead of a plain Account link. The dropdown surfaces email, plan, Upgrade CTA and Sign out.Tue, 19 May 2026 14:00:00 GMTferrlensnewhttps://ferrlens.com/fr/changelog/2026-05-19-ferrlens-password-generator/https://ferrlens.com/fr/changelog/2026-05-19-ferrlens-password-generator/Generate strong passwords with configurable charsets, a "no look-alikes" mode, an entropy bar and a crack-time estimate — backed by crypto.getRandomValues.Tue, 19 May 2026 13:42:00 GMTferrlensnewhttps://ferrlens.com/fr/changelog/2026-05-19-ferrlens-color-converter/https://ferrlens.com/fr/changelog/2026-05-19-ferrlens-color-converter/HEX ↔ RGB ↔ HSL ↔ OKLCH with a live colour preview, alpha-aware.Tue, 19 May 2026 13:41:00 GMTferrlensnewhttps://ferrlens.com/fr/changelog/2026-05-19-ferrlens-timestamp-converter/https://ferrlens.com/fr/changelog/2026-05-19-ferrlens-timestamp-converter/Convert between Unix seconds, Unix milliseconds and ISO 8601, with a live view in any IANA timezone plus a relative reading ("3 days ago").Tue, 19 May 2026 13:40:00 GMTferrlensnewhttps://ferrlens.com/fr/changelog/2026-05-19-ferrlens-hmac-generator/https://ferrlens.com/fr/changelog/2026-05-19-ferrlens-hmac-generator/Generate HMAC-SHA1/256/384/512 of a message with a key in UTF-8, hex or Base64 — through the native Web Crypto API, in your browser.Tue, 19 May 2026 13:38:00 GMTferrlensnewhttps://ferrlens.com/fr/changelog/2026-05-19-ferrlens-encoders/https://ferrlens.com/fr/changelog/2026-05-19-ferrlens-encoders/Encode and decode between text and URL-percent / Base64 / Base64-URL (RFC 4648 §5) / hex, with a single shared input that toggles direction in one click.Tue, 19 May 2026 13:35:00 GMTferrlensnewhttps://ferrlens.com/fr/changelog/2026-05-19-ferrlens-hash-generator/https://ferrlens.com/fr/changelog/2026-05-19-ferrlens-hash-generator/MD5, SHA-1, SHA-256, SHA-384 and SHA-512 of any input. SHA-* through the native Web Crypto API, MD5 through a small pure-JS implementation. Your input never leaves the browser.Tue, 19 May 2026 13:30:00 GMTferrlensnewhttps://ferrlens.com/fr/changelog/2026-05-19-ferrlens-sign-in/https://ferrlens.com/fr/changelog/2026-05-19-ferrlens-sign-in/ferrlens.com now uses the central FerrLabs identity, so the same account works across every product site. Cross-domain auth handled server-side by the Astro SSR layer — no token in JavaScript.Tue, 19 May 2026 10:00:00 GMTferrlensnewhttps://ferrlens.com/fr/changelog/2026-05-18-ferrlens-headless-lighthouse/https://ferrlens.com/fr/changelog/2026-05-18-ferrlens-headless-lighthouse/ferrlens.com now runs a real Lighthouse against a real Chromium in-cluster, instead of waiting for Google PageSpeed Insights. Faster, no quota, more signals.Mon, 18 May 2026 14:00:00 GMTferrlensperf