Best Sejda Alternative: WhiskFile
Sejda 是一款功能强大的 PDF 工具套件,但其每小时 5 个任务的限制让许多用户感到沮丧——尤其是在工作流程进行到一半时。WhiskFile 提供每天 7 个免费任务,且没有每小时的频率限制,此外还拥有 Sejda 所不具备的 9 种额外工具以及 AI 功能。
最后测试时间:July 2026 · 基于实际测试。
免费方案对比
| 功能 | WhiskFile | Sejda |
|---|---|---|
| Daily task limit | 7 tasks per day | 5 tasks per hour (15–25/day) |
| Max file size | 50 MB | 50 MB |
| Max page count | No page limit | 200 pages |
| Watermarks | None | None |
| Account required | No | No |
| File deletion | Auto-deleted after 1 hour | Stated deletion, timing unclear |
定价对比
| 方案 | WhiskFile | Sejda |
|---|---|---|
| Free tier | Free — 7 tasks/day, 50 MB | Free — 3 tasks/hour, 50 MB, 200 pages |
| Pro / Web subscription | $4.99/month or $39.99/year | ~$7.50/month or $63/year |
| Teams | $29/month (10 seats) | N/A (no team plan) |
Pricing checked on: September 24, 2026. Sejda pricing page
功能对比
| 功能 | WhiskFile | Sejda |
|---|---|---|
| 免费版无水印 | ||
| 无需注册账户 | ||
| 付费计划任务无限制 | ||
| 文件 1 小时后自动删除 | Stated but timing unclear | |
| 按书签拆分 PDF | ||
| 按文本/关键字拆分 PDF | ||
| 根据内容重命名 PDF | ||
| 贝茨编号 | ||
| PDF 页面交替 | ||
| AI PDF 摘要 | Pro+ | |
| AI PDF 对话 (问答) | Pro+ | |
| 自动编辑个人身份信息 (PII) | Pro+ | |
| REST API (38 个端点) | Pro+ | Paid — fewer endpoints |
| 团队工作区 | Teams plan | |
| 批量处理 | Pro+ | |
| 工具总数 | ||
| 输出格式 | ||
| 平台 | ||
| Accessibility Tools (checker + fix) | ||
| AI Contract Analysis | Pro+ | |
| Document Workspace (folders, tags, search) | ||
| Total tools | 101 | ~35 |
| Output formats | 20+ (PDF, Word, Excel, PPT, JPG, PNG, etc.) | ~10 formats |
| Platform | Any browser (no install) | Browser + desktop app (Mac/Win/Linux) |
为什么切换到 WhiskFile
- 每日限额(7 次/天)比每小时限额的干扰更小
- 9 种独家工具(按书签拆分、按文本拆分、贝茨编号等)
- AI 功能:PDF 摘要、PDF 对话、自动编辑个人身份信息 (Pro)
- 支持共享账单的团队工作区
- 包含 38 个端点的 REST API
Sejda 在以下情况下仍然胜出
- 您更喜欢可以离线工作的桌面应用程序
- 预算是首要考虑因素,且您不需要 AI 功能
何时从 Sejda 切换到 WhiskFile
- 您需要批量处理文档且经常达到 Sejda 的每小时限制
- 您需要按书签或按文本拆分功能(Sejda 不具备这些功能)
- 您需要 AI 摘要或 AI PDF 对话功能
- 您的团队需要共享工作区和集中计费
Common Workflows Compared
Merge multiple PDFs
Upload files → drag to reorder → click Merge → download. No account required, up to 50 MB free.
Upload files → reorder → click Merge. Limited to 50 MB and 200 pages on free tier; counts toward 5/hour limit.
Compress a large PDF
Upload PDF → choose compression level (low/medium/high) → download. Browser-based for most files.
Upload PDF → choose quality level → download. Server-side processing; 50 MB/200-page limit on free tier.
Convert PDF to Word
Upload PDF → auto-converts → download DOCX. Preserves formatting for text-based PDFs.
Upload PDF → converts server-side → download DOCX. Same 50 MB/200-page free limits apply.
Privacy & Security Comparison
| Privacy aspect | WhiskFile | Sejda |
|---|---|---|
| Browser processing | Yes — most tools (69 of 101) | No — server-side processing |
| File retention | Auto-deleted after 1 hour | Deleted after 2–5 hours (sources vary) |
| Encryption | TLS 1.3 in transit, AES-256 at rest | SSL/TLS in transit |
| GDPR | Compliant | Not publicly specified |
OCR & AI Features
OCR
- WhiskFile
- Free for all users
- Sejda
- Yes — limited to 10 pages per task
Free OCR limited to 10 pages; paid plans allow up to 100 pages
AI Features
- WhiskFile
- Pro+ (Chat, Summarize, Redact)
- Sejda
- Minimal — basic chatbot
Sejda focuses on traditional PDF editing; AI features are minimal
Cloud Integrations
| Integration | WhiskFile | Sejda |
|---|---|---|
| Google Drive | On roadmap | |
| Dropbox | On roadmap | |
| OneDrive | On roadmap | |
| API access | Pro+ (38 endpoints) | Paid — fewer endpoints |
如何从 Sejda 切换
WhiskFile 使用与 Sejda 相同的基于 URL 的工作流程——无需安装软件,无需迁移数据。只需将 whiskfile.com 加入书签即可开始使用。您现有的 Stripe 支付方式仍与 Sejda 绑定;准备好后取消即可。
How We Compare PDF Tools
We compare publicly documented features, limits, pricing, supported formats, integrations, account requirements, and privacy information. Competitor information can change, so pricing and limits should be checked against the provider's current documentation.
Last reviewed: September 24, 2026
我们的评测
Sejda 是一款拥有桌面端应用且积累了 10 多年信誉的稳健 PDF 工具。然而,其每小时的任务限制、缺失的 AI 功能以及缺乏团队计划,使得 WhiskFile 在批量工作流、AI 辅助任务和小团队协作方面成为更强的选择。如果您需要离线桌面访问,Sejda 仍然具有优势。
常见问题
- WhiskFile 比 Sejda 更好吗?
- WhiskFile 拥有更多的工具(83 种,而 Sejda 约为 35 种)、Sejda 所缺乏的 AI 功能,以及干扰更小的每日限额(7 次/天 vs 5 次/小时)。Sejda 拥有桌面应用程序且运营时间更长。对于大多数基于 Web 的工作流,WhiskFile 是更强的选择。
- 为什么 Sejda 的任务限制会让用户感到沮丧?
- Sejda 每小时 5 个任务的限制每 60 分钟重置一次。如果您在一小时内处理 6 份文档(这在批量工作或多步骤工作流中很常见),您会突然遇到限制并被迫等待。WhiskFile 每天 7 次的限制不太可能中断专注的工作会话。
- WhiskFile 比 Sejda 贵吗?
- WhiskFile Pro 为每月 4.99 美元,而 Sejda 约为每月 7.50 美元,每月相差 2.51 美元。WhiskFile Pro 包含 Sejda 在任何价位下都无法提供的 AI 功能和批量处理功能。
- 我可以在离线状态下使用 WhiskFile 吗?
- 不能。WhiskFile 是一款基于 Web 的工具。Sejda 拥有用于离线使用的桌面应用程序。如果离线访问至关重要,Sejda 的桌面应用程序或像 PDF24 这样的本地安装工具可能更适合您。
- WhiskFile 会在免费文档上添加水印吗?
- 不会。WhiskFile 在免费计划中不会添加水印——这与 Sejda 相同。所有用户(无论是否登录)均可获得无水印的输出。
- Does Sejda support batch processing?
- Sejda does not offer batch processing on any plan. Each file must be processed individually. WhiskFile Pro includes batch processing for merge, compress, convert, and other tools.
- Does WhiskFile support OCR like Sejda?
- Yes. Both WhiskFile and Sejda offer OCR. WhiskFile OCR is free for all users with 100+ languages. Sejda's free OCR is limited to 10 pages per task; paid plans allow up to 100 pages.
- What happens to my files after processing on WhiskFile vs Sejda?
- WhiskFile auto-deletes uploaded files after 1 hour, with most tools processing directly in the browser (files never leave your device). Sejda states files are deleted, but the exact timing is not clearly documented.
- Does Sejda have AI features?
- Sejda has minimal AI functionality — a basic chatbot for support. It does not offer AI PDF summarization, AI chat with documents, or automated PII redaction. WhiskFile Pro includes all of these.
- Which service has more PDF tools — WhiskFile or Sejda?
- WhiskFile offers 101 tools compared to Sejda's ~35. WhiskFile includes tools Sejda lacks: split by bookmarks, split by text, Bates numbering, rename from content, e-signature, form builder, workflow automation, and image editing tools.
Sources
- Pricing page checked 2026-09-24
- Help center checked 2026-09-24