diff --git a/src/bin/export-reviews.ts b/src/bin/export-reviews.ts
index c7b44955..e860a4c6 100644
--- a/src/bin/export-reviews.ts
+++ b/src/bin/export-reviews.ts
@@ -30,7 +30,17 @@ export async function runReviewsExport(userId: number, options: ExportReviewsOpt
       content = JSON.stringify(reviews, null, 2);
       fileName = `${userId}-reviews.json`;
     } else {
-      const headers = ['id', 'title', 'year', 'type', 'colorRating', 'userRating', 'date', 'url', 'text'];
+      const headers = [
+        'id',
+        'title',
+        'year',
+        'type',
+        'colorRating',
+        'userRating',
+        'date',
+        'url',
+        'text'
+      ];
       content = [
         headers.join(','),
         ...reviews.map((r) =>
diff --git a/src/bin/lookup-movie.ts b/src/bin/lookup-movie.ts
index 3aed468b..eb50b9e3 100644
--- a/src/bin/lookup-movie.ts
+++ b/src/bin/lookup-movie.ts
@@ -13,15 +13,22 @@ export async function runMovieLookup(movieId: number, json: boolean): Promise<vo
 
 function printMovie(movie: CSFDMovie) {
   const ratingColor =
-    movie.colorRating === 'good' ? c.green :
-    movie.colorRating === 'average' ? c.yellow :
-    movie.colorRating === 'bad' ? c.red : c.dim;
+    movie.colorRating === 'good'
+      ? c.green
+      : movie.colorRating === 'average'
+        ? c.yellow
+        : movie.colorRating === 'bad'
+          ? c.red
+          : c.dim;
 
   const row = (label: string, value: string) =>
     value ? `  ${c.dim(label.padEnd(11))} ${value}` : '';
 
   const names = (arr: { name: string }[], max = 5) =>
-    arr.slice(0, max).map((x) => x.name).join(', ');
+    arr
+      .slice(0, max)
+      .map((x) => x.name)
+      .join(', ');
 
   const description = movie.descriptions?.[0]
     ? movie.descriptions[0].length > 160
@@ -35,18 +42,22 @@ function printMovie(movie: CSFDMovie) {
     '',
     c.bold(movie.title) + c.dim(` (${movie.year ?? '?'})`) + '  ·  ' + c.dim(movie.type ?? ''),
     c.dim('─'.repeat(52)),
-    row('Rating', movie.rating != null
-      ? ratingColor(c.bold(movie.rating + '%')) + c.dim(`  (${movie.ratingCount?.toLocaleString()} ratings)`)
-      : c.dim('no rating')),
-    row('Genres',    movie.genres?.join(', ') ?? ''),
-    row('Origins',   movie.origins?.join(', ') ?? ''),
-    row('Duration',  movie.duration ? movie.duration + ' min' : ''),
+    row(
+      'Rating',
+      movie.rating != null
+        ? ratingColor(c.bold(movie.rating + '%')) +
+            c.dim(`  (${movie.ratingCount?.toLocaleString()} ratings)`)
+        : c.dim('no rating')
+    ),
+    row('Genres', movie.genres?.join(', ') ?? ''),
+    row('Origins', movie.origins?.join(', ') ?? ''),
+    row('Duration', movie.duration ? movie.duration + ' min' : ''),
     row('Directors', names(movie.creators?.directors ?? [])),
-    row('Cast',      names(movie.creators?.actors ?? [])),
+    row('Cast', names(movie.creators?.actors ?? [])),
     description ? '\n  ' + c.dim(description) : '',
     vod ? '\n' + row('VOD', vod) : '',
     row('URL', c.dim(movie.url ?? '')),
-    '',
+    ''
   ].filter(Boolean);
 
   console.log(lines.join('\n'));
diff --git a/src/bin/search.ts b/src/bin/search.ts
index 9d1322bd..6d7abeb0 100644
--- a/src/bin/search.ts
+++ b/src/bin/search.ts
@@ -13,17 +13,27 @@ export async function runSearch(query: string, json: boolean): Promise<void> {
 
 function printSearch(query: string, results: CSFDSearch) {
   const ratingDot = (colorRating: string | null) =>
-    colorRating === 'good' ? c.green('●') :
-    colorRating === 'average' ? c.yellow('●') :
-    colorRating === 'bad' ? c.red('●') : c.dim('●');
+    colorRating === 'good'
+      ? c.green('●')
+      : colorRating === 'average'
+        ? c.yellow('●')
+        : colorRating === 'bad'
+          ? c.red('●')
+          : c.dim('●');
 
   const section = (label: string, count: number) =>
     count > 0 ? `\n${c.bold(label)}  ${c.dim(`(${count})`)}` : null;
 
-  const total = results.movies.length + results.tvSeries.length + results.creators.length + results.users.length;
+  const total =
+    results.movies.length +
+    results.tvSeries.length +
+    results.creators.length +
+    results.users.length;
 
   console.log('');
-  console.log(`${c.bold('Search results for')} ${c.cyan(`"${query}"`)}  ${c.dim(`— ${total} found`)}`);
+  console.log(
+    `${c.bold('Search results for')} ${c.cyan(`"${query}"`)}  ${c.dim(`— ${total} found`)}`
+  );
   console.log(c.dim('─'.repeat(52)));
 
   const movieLine = (r: CSFDSearch['movies'][0]) =>
@@ -43,15 +53,16 @@ function printSearch(query: string, results: CSFDSearch) {
 
   if (results.creators.length > 0) {
     console.log(section('Creators', results.creators.length));
-    results.creators.forEach((r) =>
-      console.log(`  ${c.dim(String(r.id).padEnd(8))}    ${r.name}`)
-    );
+    results.creators.forEach((r) => console.log(`  ${c.dim(String(r.id).padEnd(8))}    ${r.name}`));
   }
 
   if (results.users.length > 0) {
     console.log(section('Users', results.users.length));
     results.users.forEach((r) =>
-      console.log(`  ${c.dim(String(r.id).padEnd(8))}    ${r.user}` + (r.userRealName ? c.dim(`  (${r.userRealName})`) : ''))
+      console.log(
+        `  ${c.dim(String(r.id).padEnd(8))}    ${r.user}` +
+          (r.userRealName ? c.dim(`  (${r.userRealName})`) : '')
+      )
     );
   }
 
diff --git a/src/bin/utils.ts b/src/bin/utils.ts
index bf25b895..033d9a53 100644
--- a/src/bin/utils.ts
+++ b/src/bin/utils.ts
@@ -3,12 +3,12 @@
 export const useColor = process.stdout.isTTY && !process.env['NO_COLOR'];
 
 export const c = {
-  bold:   (s: string) => useColor ? `\x1b[1m${s}\x1b[22m` : s,
-  dim:    (s: string) => useColor ? `\x1b[2m${s}\x1b[22m` : s,
-  cyan:   (s: string) => useColor ? `\x1b[36m${s}\x1b[39m` : s,
-  green:  (s: string) => useColor ? `\x1b[32m${s}\x1b[39m` : s,
-  yellow: (s: string) => useColor ? `\x1b[33m${s}\x1b[39m` : s,
-  red:    (s: string) => useColor ? `\x1b[31m${s}\x1b[39m` : s,
+  bold: (s: string) => (useColor ? `\x1b[1m${s}\x1b[22m` : s),
+  dim: (s: string) => (useColor ? `\x1b[2m${s}\x1b[22m` : s),
+  cyan: (s: string) => (useColor ? `\x1b[36m${s}\x1b[39m` : s),
+  green: (s: string) => (useColor ? `\x1b[32m${s}\x1b[39m` : s),
+  yellow: (s: string) => (useColor ? `\x1b[33m${s}\x1b[39m` : s),
+  red: (s: string) => (useColor ? `\x1b[31m${s}\x1b[39m` : s)
 };
 
 export const err = (msg: string) => c.red(c.bold('✖ Error:')) + ' ' + msg;
diff --git a/src/dto/options.ts b/src/dto/options.ts
index 4b8ea9fd..e350bb79 100644
--- a/src/dto/options.ts
+++ b/src/dto/options.ts
@@ -3,4 +3,4 @@ export interface CSFDOptions {
   request?: RequestInit;
 }
 
-export type CSFDLanguage = 'cs' | 'en' | 'sk';
\ No newline at end of file
+export type CSFDLanguage = 'cs' | 'en' | 'sk';
diff --git a/src/helpers/global.helper.ts b/src/helpers/global.helper.ts
index bfb27f8e..a65bccfe 100644
--- a/src/helpers/global.helper.ts
+++ b/src/helpers/global.helper.ts
@@ -35,6 +35,44 @@ export const parseLastIdFromUrl = (url: string): number => {
   }
 };
 
+export const extractId = (value: number | string): number | null => {
+  if (value === null || value === undefined) return null;
+
+  if (typeof value === 'number') {
+    return Number.isInteger(value) ? value : null;
+  }
+
+  const str = value.toString().trim();
+
+  // If it's a URL
+  if (str.includes('/')) {
+    const parts = str.split('/');
+    for (let i = parts.length - 1; i >= 0; i--) {
+      const p = parts[i];
+      if (/^\d+-/.test(p)) {
+        return +p.split('-')[0] || null;
+      }
+    }
+    // Fallback logic for URL
+    const hasLangPrefix = LANG_PREFIX_REGEX.test(parts[1]);
+    const idSlug = parts[hasLangPrefix ? 3 : 2];
+    const id = idSlug?.split('-')[0];
+    return +id || null;
+  }
+
+  // If it's just a number string
+  if (/^\d+$/.test(str)) {
+    return Number(str);
+  }
+
+  // If it's a slug like "912-bart"
+  if (/^\d+-/.test(str)) {
+    return +str.split('-')[0];
+  }
+
+  return null;
+};
+
 const PAGE_COLORS: Record<string, CSFDColorRating> = {
   'page-lightgrey': 'unknown',
   'page-red': 'good',
diff --git a/src/helpers/search-user.helper.ts b/src/helpers/search-user.helper.ts
index 66ecd143..1d8f5be1 100644
--- a/src/helpers/search-user.helper.ts
+++ b/src/helpers/search-user.helper.ts
@@ -9,7 +9,9 @@ export const getUserRealName = (el: HTMLElement): string => {
   const p = el.querySelector('.article-content p');
   if (!p) return null;
 
-  const textNodes = p.childNodes.filter(n => n.nodeType === NodeType.TEXT_NODE && n.rawText.trim() !== '');
+  const textNodes = p.childNodes.filter(
+    (n) => n.nodeType === NodeType.TEXT_NODE && n.rawText.trim() !== ''
+  );
   const name = textNodes.length ? textNodes[0].rawText.trim() : null;
 
   return name;
diff --git a/src/index.ts b/src/index.ts
index b672d235..8c81e62d 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -54,14 +54,14 @@ export class Csfd {
     return this.userReviewsService.userReviews(user, config, opts);
   }
 
-  public async movie(movie: number, options?: CSFDOptions): Promise<CSFDMovie> {
+  public async movie(movie: number | string, options?: CSFDOptions): Promise<CSFDMovie> {
     const opts = options ?? this.defaultOptions;
-    return this.movieService.movie(+movie, opts);
+    return this.movieService.movie(movie, opts);
   }
 
-  public async creator(creator: number, options?: CSFDOptions): Promise<CSFDCreator> {
+  public async creator(creator: number | string, options?: CSFDOptions): Promise<CSFDCreator> {
     const opts = options ?? this.defaultOptions;
-    return this.creatorService.creator(+creator, opts);
+    return this.creatorService.creator(creator, opts);
   }
 
   public async search(text: string, options?: CSFDOptions): Promise<CSFDSearch> {
@@ -96,4 +96,3 @@ export const csfd = new Csfd(
 );
 
 export type * from './dto';
-
diff --git a/src/services/creator.service.ts b/src/services/creator.service.ts
index b33be6ea..b7ec87b2 100644
--- a/src/services/creator.service.ts
+++ b/src/services/creator.service.ts
@@ -1,6 +1,7 @@
 import { HTMLElement, parse } from 'node-html-parser';
 import { CSFDCreator } from '../dto/creator';
 import { fetchPage } from '../fetchers';
+import { extractId } from '../helpers/global.helper';
 import {
   getCreatorBio,
   getCreatorBirthdayInfo,
@@ -12,10 +13,10 @@ import { CSFDOptions } from '../types';
 import { creatorUrl } from '../vars';
 
 export class CreatorScraper {
-  public async creator(creatorId: number, options?: CSFDOptions): Promise<CSFDCreator> {
-    const id = Number(creatorId);
-    if (isNaN(id)) {
-      throw new Error('node-csfd-api: creatorId must be a valid number');
+  public async creator(creatorId: number | string, options?: CSFDOptions): Promise<CSFDCreator> {
+    const id = extractId(creatorId);
+    if (!id) {
+      throw new Error('node-csfd-api: creatorId must be a valid number, slug, or URL');
     }
     const url = creatorUrl(id, { language: options?.language });
     const response = await fetchPage(url, { ...options?.request });
@@ -24,7 +25,7 @@ export class CreatorScraper {
 
     const asideNode = creatorHtml.querySelector('.creator-about');
     const filmsNode = creatorHtml.querySelector('.creator-filmography');
-    return this.buildCreator(+creatorId, asideNode, filmsNode);
+    return this.buildCreator(id, asideNode, filmsNode);
   }
 
   private buildCreator(id: number, asideEl: HTMLElement, filmsNode: HTMLElement): CSFDCreator {
diff --git a/src/services/movie.service.ts b/src/services/movie.service.ts
index bb145106..ea3085d4 100644
--- a/src/services/movie.service.ts
+++ b/src/services/movie.service.ts
@@ -2,6 +2,7 @@ import { HTMLElement, parse } from 'node-html-parser';
 import { CSFDFilmTypes } from '../dto/global';
 import { CSFDMovie, MovieJsonLd } from '../dto/movie';
 import { fetchPage } from '../fetchers';
+import { extractId } from '../helpers/global.helper';
 import {
   detectSeasonOrEpisodeListType,
   getEpisodeCode,
@@ -32,10 +33,10 @@ import { CSFDOptions } from '../types';
 import { LIB_PREFIX, movieUrl } from '../vars';
 
 export class MovieScraper {
-  public async movie(movieId: number, options?: CSFDOptions): Promise<CSFDMovie> {
-    const id = Number(movieId);
-    if (isNaN(id)) {
-      throw new Error('node-csfd-api: movieId must be a valid number');
+  public async movie(movieId: number | string, options?: CSFDOptions): Promise<CSFDMovie> {
+    const id = extractId(movieId);
+    if (!id) {
+      throw new Error('node-csfd-api: movieId must be a valid number, slug, or URL');
     }
     const url = movieUrl(id, { language: options?.language });
     const response = await fetchPage(url, { ...options?.request });
@@ -52,7 +53,15 @@ export class MovieScraper {
     } catch (e) {
       console.error(LIB_PREFIX + ' Error parsing JSON-LD', e);
     }
-    return this.buildMovie(+movieId, movieHtml, movieNode as HTMLElement, asideNode as HTMLElement, pageClasses, jsonLd, options);
+    return this.buildMovie(
+      id,
+      movieHtml,
+      movieNode as HTMLElement,
+      asideNode as HTMLElement,
+      pageClasses,
+      jsonLd,
+      options
+    );
   }
 
   private buildMovie(
diff --git a/src/services/user-ratings.service.ts b/src/services/user-ratings.service.ts
index 09244fe8..16eb4e5e 100644
--- a/src/services/user-ratings.service.ts
+++ b/src/services/user-ratings.service.ts
@@ -2,7 +2,7 @@ import { HTMLElement, parse } from 'node-html-parser';
 import { CSFDColorRating, CSFDFilmTypes, CSFDStars } from '../dto/global';
 import { CSFDUserRatingConfig, CSFDUserRatings } from '../dto/user-ratings';
 import { fetchPage } from '../fetchers';
-import { sleep } from '../helpers/global.helper';
+import { extractId, sleep } from '../helpers/global.helper';
 import {
   getUserRating,
   getUserRatingColorRating,
@@ -22,9 +22,10 @@ export class UserRatingsScraper {
     config?: CSFDUserRatingConfig,
     options?: CSFDOptions
   ): Promise<CSFDUserRatings[]> {
+    const id = extractId(user) ?? user;
     let allMovies: CSFDUserRatings[] = [];
     const pageToFetch = config?.page || 1;
-    const url = userRatingsUrl(user, pageToFetch > 1 ? pageToFetch : undefined, {
+    const url = userRatingsUrl(id, pageToFetch > 1 ? pageToFetch : undefined, {
       language: options?.language
     });
     const response = await fetchPage(url, { ...options?.request });
@@ -40,7 +41,7 @@ export class UserRatingsScraper {
     if (config?.allPages) {
       for (let i = 2; i <= pages; i++) {
         config.onProgress?.(i, pages);
-        const url = userRatingsUrl(user, i, { language: options?.language });
+        const url = userRatingsUrl(id, i, { language: options?.language });
         const response = await fetchPage(url, { ...options?.request });
 
         const items = parse(response);
@@ -62,7 +63,10 @@ export class UserRatingsScraper {
     const films: CSFDUserRatings[] = [];
     if (config) {
       if (config.includesOnly?.length && config.excludes?.length) {
-        console.warn(`${LIB_PREFIX} Both 'includesOnly' and 'excludes' were provided. 'includesOnly' takes precedence:`, config.includesOnly);
+        console.warn(
+          `${LIB_PREFIX} Both 'includesOnly' and 'excludes' were provided. 'includesOnly' takes precedence:`,
+          config.includesOnly
+        );
       }
     }
 
diff --git a/src/services/user-reviews.service.ts b/src/services/user-reviews.service.ts
index 88f5f498..7fa5771f 100644
--- a/src/services/user-reviews.service.ts
+++ b/src/services/user-reviews.service.ts
@@ -2,7 +2,7 @@ import { HTMLElement, parse } from 'node-html-parser';
 import { CSFDColorRating, CSFDFilmTypes, CSFDStars } from '../dto/global';
 import { CSFDUserReviews, CSFDUserReviewsConfig } from '../dto/user-reviews';
 import { fetchPage } from '../fetchers';
-import { sleep } from '../helpers/global.helper';
+import { extractId, sleep } from '../helpers/global.helper';
 import {
   getUserReviewColorRating,
   getUserReviewDate,
@@ -24,9 +24,10 @@ export class UserReviewsScraper {
     config?: CSFDUserReviewsConfig,
     options?: CSFDOptions
   ): Promise<CSFDUserReviews[]> {
+    const id = extractId(user) ?? user;
     let allReviews: CSFDUserReviews[] = [];
     const pageToFetch = config?.page || 1;
-    const url = userReviewsUrl(user, pageToFetch > 1 ? pageToFetch : undefined, {
+    const url = userReviewsUrl(id, pageToFetch > 1 ? pageToFetch : undefined, {
       language: options?.language
     });
     const response = await fetchPage(url, { ...options?.request });
@@ -42,7 +43,7 @@ export class UserReviewsScraper {
     if (config?.allPages) {
       for (let i = 2; i <= pages; i++) {
         config.onProgress?.(i, pages);
-        const url = userReviewsUrl(user, i, { language: options?.language });
+        const url = userReviewsUrl(id, i, { language: options?.language });
         const response = await fetchPage(url, { ...options?.request });
 
         const items = parse(response);
@@ -64,7 +65,10 @@ export class UserReviewsScraper {
     const films: CSFDUserReviews[] = [];
     if (config) {
       if (config.includesOnly?.length && config.excludes?.length) {
-        console.warn(`${LIB_PREFIX} Both 'includesOnly' and 'excludes' were provided. 'includesOnly' takes precedence:`, config.includesOnly);
+        console.warn(
+          `${LIB_PREFIX} Both 'includesOnly' and 'excludes' were provided. 'includesOnly' takes precedence:`,
+          config.includesOnly
+        );
       }
     }
 
diff --git a/src/types.ts b/src/types.ts
index 0cfcef34..c5fdc0c6 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -1,10 +1,8 @@
-export * from "./dto/cinema";
-export * from "./dto/creator";
-export * from "./dto/global";
-export * from "./dto/movie";
-export * from "./dto/options";
-export * from "./dto/search";
-export * from "./dto/user-ratings";
-export * from "./dto/user-reviews";
-
-
+export * from './dto/cinema';
+export * from './dto/creator';
+export * from './dto/global';
+export * from './dto/movie';
+export * from './dto/options';
+export * from './dto/search';
+export * from './dto/user-ratings';
+export * from './dto/user-reviews';
diff --git a/src/vars.ts b/src/vars.ts
index 41d54058..f1db3109 100644
--- a/src/vars.ts
+++ b/src/vars.ts
@@ -11,7 +11,7 @@ type Options = {
 const LANGUAGE_DOMAIN_MAP: Record<CSFDLanguage, string> = {
   cs: 'https://www.csfd.cz',
   en: 'https://www.csfd.cz/en',
-  sk: 'https://www.csfd.cz/sk',
+  sk: 'https://www.csfd.cz/sk'
 };
 
 let BASE_URL = LANGUAGE_DOMAIN_MAP.cs;
@@ -32,10 +32,16 @@ export const getUrlByLanguage = (language?: CSFDLanguage): string => {
 export const userUrl = (user: string | number, options: Options): string =>
   `${getUrlByLanguage(options?.language)}/uzivatel/${encodeURIComponent(user)}`;
 
-export const userRatingsUrl = (user: string | number, page?: number, options: Options = {}): string =>
-  `${userUrl(user, options)}/hodnoceni/${page ? '?page=' + page : ''}`;
-export const userReviewsUrl = (user: string | number, page?: number, options: Options = {}): string =>
-  `${userUrl(user, options)}/recenze/${page ? '?page=' + page : ''}`;
+export const userRatingsUrl = (
+  user: string | number,
+  page?: number,
+  options: Options = {}
+): string => `${userUrl(user, options)}/hodnoceni/${page ? '?page=' + page : ''}`;
+export const userReviewsUrl = (
+  user: string | number,
+  page?: number,
+  options: Options = {}
+): string => `${userUrl(user, options)}/recenze/${page ? '?page=' + page : ''}`;
 
 // Movie URLs
 export const movieUrl = (movie: number, options: Options): string =>
@@ -45,9 +51,12 @@ export const creatorUrl = (creator: number | string, options: Options): string =
   `${getUrlByLanguage(options?.language)}/tvurce/${encodeURIComponent(creator)}`;
 
 // Cinema URLs
-export const cinemasUrl = (district: number | string, period: CSFDCinemaPeriod, options: Options): string =>
-  `${getUrlByLanguage(options?.language)}/kino/?period=${period}&district=${district}`;
+export const cinemasUrl = (
+  district: number | string,
+  period: CSFDCinemaPeriod,
+  options: Options
+): string => `${getUrlByLanguage(options?.language)}/kino/?period=${period}&district=${district}`;
 
 // Search URLs
 export const searchUrl = (text: string, options: Options): string =>
-  `${getUrlByLanguage(options?.language)}/hledat/?q=${encodeURIComponent(text)}`;
\ No newline at end of file
+  `${getUrlByLanguage(options?.language)}/hledat/?q=${encodeURIComponent(text)}`;
diff --git a/test-dx-replace.ts b/test-dx-replace.ts
new file mode 100644
index 00000000..1b609c8a
--- /dev/null
+++ b/test-dx-replace.ts
@@ -0,0 +1 @@
+import { extractId } from './src/helpers/global.helper.ts'; // Doesn't exist
diff --git a/tests/helpers.test.ts b/tests/helpers.test.ts
index 12a5d959..bd7365b0 100644
--- a/tests/helpers.test.ts
+++ b/tests/helpers.test.ts
@@ -1,5 +1,27 @@
 import { describe, expect, test } from 'vitest';
-import { addProtocol, parseColor, parseIdFromUrl } from '../src/helpers/global.helper';
+import { addProtocol, extractId, parseColor, parseIdFromUrl } from '../src/helpers/global.helper';
+
+describe('Extract ID', () => {
+  test('Handle number', () => {
+    expect(extractId(906693)).toBe(906693);
+  });
+  test('Handle numeric string', () => {
+    expect(extractId('906693')).toBe(906693);
+  });
+  test('Handle slug', () => {
+    expect(extractId('906693-projekt-adam')).toBe(906693);
+  });
+  test('Handle URL', () => {
+    expect(extractId('https://www.csfd.cz/film/906693-projekt-adam/recenze/')).toBe(906693);
+  });
+  test('Handle null/undefined', () => {
+    expect(extractId(null as any)).toBe(null);
+    expect(extractId(undefined as any)).toBe(null);
+  });
+  test('Handle invalid string', () => {
+    expect(extractId('blade-runner')).toBe(null);
+  });
+});
 
 describe('Add protocol', () => {
   test('Handle without protocol', () => {