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vs 传统服务端",[49,50,51,67],"table",{},[52,53,54],"thead",{},[55,56,57,61,64],"tr",{},[58,59,60],"th",{},"对比项",[58,62,63],{},"纯前端工具",[58,65,66],{},"传统服务端工具",[68,69,70,82,93,104,115],"tbody",{},[55,71,72,76,79],{},[73,74,75],"td",{},"文件上传",[73,77,78],{},"不上传，本地读取",[73,80,81],{},"必须上传到服务器",[55,83,84,87,90],{},[73,85,86],{},"隐私保护",[73,88,89],{},"文件不离设备，零泄露",[73,91,92],{},"文件存储在第三方服务器",[55,94,95,98,101],{},[73,96,97],{},"速度",[73,99,100],{},"受限于本地CPU",[73,102,103],{},"取决服务器性能和带宽",[55,105,106,109,112],{},[73,107,108],{},"文件大小",[73,110,111],{},"无限制",[73,113,114],{},"通常有限制",[55,116,117,120,122],{},[73,118,119],{},"使用次数",[73,121,111],{},[73,123,114],{},[19,125,127],{"id":126},"_91ai工具的纯前端范围","91AI工具的纯前端范围",[15,129,130],{},"91AI工具中以下工具采用纯前端处理：",[132,133,134,137,140,143,146],"ul",{},[29,135,136],{},"视频压缩、视频格式转换",[29,138,139],{},"音频格式转换、音频压缩",[29,141,142],{},"视频提取音频",[29,144,145],{},"屏幕录制",[29,147,148],{},"图片压缩、图片格式转换",[15,150,151],{},"PDF转换和处理工具目前为服务端处理，服务器处理完成后会自动删除您的文件。",{"title":153,"searchDepth":154,"depth":154,"links":155},"",2,[156,157,158],{"id":21,"depth":154,"text":21},{"id":46,"depth":154,"text":47},{"id":126,"depth":154,"text":127},"security","纯前端处理指所有文件操作在浏览器本地完成，数据不上传服务器，从根本上杜绝隐私泄露风险。了解纯前端技术的工作原理和优势。","md",[163,164,165,166,86],"纯前端处理","文件不上传服务器","浏览器处理","在线工具安全",{},true,"\u002Fhelp\u002Ffaq\u002Ffrontend-privacy-guide",[171,172,173,174],"video-compress-wasm","audio-convert-wasm","img-compress","video-convert-wasm",{"title":6,"description":160},"help\u002Ffaq\u002Ffrontend-privacy-guide","faq","2026-05-06","vG7hS92Ha4_KgleFonsd2lXAYtSkInz0CQD0sIHcI7A",[181,514,620],{"id":182,"title":183,"body":184,"category":159,"description":501,"extension":161,"keywords":502,"meta":506,"navigation":168,"path":507,"relatedTools":508,"seo":510,"stem":511,"type":177,"updatedAt":512,"__hash__":513},"faq\u002Fhelp\u002Ffaq\u002F91aitool-file-security.md","91AI工具处理文件安全吗？文件会上传到服务器吗？",{"type":8,"value":185,"toc":485},[186,189,192,195,198,225,228,233,244,248,298,302,313,317,328,331,401,407,411,414,428,431,445,448,474,477],[11,187,183],{"id":188},"_91ai工具处理文件安全吗文件会上传到服务器吗",[15,190,191],{},"91AI工具需要在服务器端处理文件，因此确实需要将文件上传到我们的服务器。但我们采取了多项措施保护您的文件安全：传输全程加密、处理完立即自动删除、不保留任何副本。",[19,193,194],{"id":194},"文件处理流程说明",[15,196,197],{},"您的文件在91AI工具上的完整生命周期如下：",[26,199,200,207,213,219],{},[29,201,202,206],{},[203,204,205],"strong",{},"上传阶段","：文件从您的电脑传输到服务器，全程使用HTTPS加密",[29,208,209,212],{},[203,210,211],{},"处理阶段","：服务器在内存中处理文件，处理后立即删除",[29,214,215,218],{},[203,216,217],{},"下载阶段","：您下载处理后生成的新文件",[29,220,221,224],{},[203,222,223],{},"自动清理","：处理完成后一定时间内，服务器彻底清除所有文件",[19,226,227],{"id":227},"安全措施详解",[229,230,232],"h3",{"id":231},"_1-传输加密","1. 传输加密",[132,234,235,238,241],{},[29,236,237],{},"所有数据传输使用HTTPS\u002FTLS加密协议",[29,239,240],{},"文件上传和下载过程中的数据都是加密传输的",[29,242,243],{},"防止中间人攻击和数据窃听",[229,245,247],{"id":246},"_2-自动文件删除","2. 自动文件删除",[49,249,250,263],{},[52,251,252],{},[55,253,254,257,260],{},[58,255,256],{},"文件类型",[58,258,259],{},"保留时间",[58,261,262],{},"删除方式",[68,264,265,276,287],{},[55,266,267,270,273],{},[73,268,269],{},"上传的原始文件",[73,271,272],{},"处理完成后立即删除",[73,274,275],{},"服务器自动清除",[55,277,278,281,284],{},[73,279,280],{},"转换后生成的文件",[73,282,283],{},"保留30-60分钟供下载",[73,285,286],{},"超时后自动删除",[55,288,289,292,295],{},[73,290,291],{},"临时缓存文件",[73,293,294],{},"实时清理",[73,296,297],{},"内存释放",[229,299,301],{"id":300},"_3-服务器安全","3. 服务器安全",[132,303,304,307,310],{},[29,305,306],{},"服务器部署在安全的数据中心",[29,308,309],{},"定期进行安全审计和漏洞扫描",[29,311,312],{},"严格限制服务器访问权限",[229,314,316],{"id":315},"_4-隐私保护","4. 隐私保护",[132,318,319,322,325],{},[29,320,321],{},"不会将您的文件用于AI训练或其他用途",[29,323,324],{},"不会分析或提取文件中的个人信息",[29,326,327],{},"不会向第三方提供您的文件",[19,329,330],{"id":330},"和桌面软件的安全对比",[49,332,333,345],{},[52,334,335],{},[55,336,337,339,342],{},[58,338,60],{},[58,340,341],{},"91AI在线工具",[58,343,344],{},"桌面软件",[68,346,347,357,368,379,390],{},[55,348,349,351,354],{},[73,350,75],{},[73,352,353],{},"需要上传到服务器",[73,355,356],{},"完全本地处理",[55,358,359,362,365],{},[73,360,361],{},"安装要求",[73,363,364],{},"无需安装",[73,366,367],{},"需要下载安装",[55,369,370,373,376],{},[73,371,372],{},"使用便利性",[73,374,375],{},"随时随地可用",[73,377,378],{},"仅限当前设备",[55,380,381,384,387],{},[73,382,383],{},"文件传输加密",[73,385,386],{},"支持HTTPS加密",[73,388,389],{},"不涉及传输",[55,391,392,395,398],{},[73,393,394],{},"服务器风险",[73,396,397],{},"存在理论风险",[73,399,400],{},"无服务器风险",[15,402,403,406],{},[203,404,405],{},"结论","：对于普通文档和文件处理，91AI在线工具的安全措施足以保障您的文件安全。如果涉及绝密或高度敏感的文件，建议使用本地桌面软件。",[19,408,410],{"id":409},"哪些文件适合在线处理","哪些文件适合在线处理？",[229,412,413],{"id":413},"适合在线处理的文件类型",[132,415,416,419,422,425],{},[29,417,418],{},"日常办公文档（Word、Excel、PPT）",[29,420,421],{},"公开或非机密资料",[29,423,424],{},"个人照片和图片",[29,426,427],{},"一般的音视频文件",[229,429,430],{"id":430},"建议本地处理的文件类型",[132,432,433,436,439,442],{},[29,434,435],{},"商业机密文件",[29,437,438],{},"含有个人隐私的敏感信息",[29,440,441],{},"受法律保护的保密文件",[29,443,444],{},"政府\u002F军事机密文件",[19,446,447],{"id":447},"我们的承诺",[26,449,450,456,462,468],{},[29,451,452,455],{},[203,453,454],{},"绝不滥用","：不会将您的文件用于任何未授权的用途",[29,457,458,461],{},[203,459,460],{},"及时删除","：处理完成后文件不留存",[29,463,464,467],{},[203,465,466],{},"透明运营","：数据处理流程公开透明",[29,469,470,473],{},[203,471,472],{},"持续改进","：不断升级安全措施",[15,475,476],{},"如有任何安全问题或隐私疑虑，欢迎联系我们。",[15,478,479,484],{},[480,481,483],"a",{"href":482},"\u002Ftools\u002Fimg-compress","使用图片压缩工具"," 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传输层安全（HTTPS）",[15,710,711],{},[203,712,713],{},"什么是HTTPS？",[15,715,716],{},"HTTPS（HyperText Transfer Protocol Secure）是在HTTP基础上加入SSL\u002FTLS加密的安全协议。它确保您与服务器之间的所有通信都是加密的。",[15,718,719,722],{},[203,720,721],{},"保护措施","：",[132,724,725,728,731],{},[29,726,727],{},"使用TLS 1.2\u002F1.3协议",[29,729,730],{},"256位加密标准",[29,732,733],{},"防止数据在传输中被截获",[15,735,736,722],{},[203,737,738],{},"安全指标",[132,740,741,744,753],{},[29,742,743],{},"地址栏显示锁形图标",[29,745,746,747],{},"URL以",[480,748,752],{"href":749,"rel":750},"https:\u002F\u002F%E5%BC%80%E5%A4%B4",[751],"nofollow","https:\u002F\u002F开头",[29,754,755],{},"证书有效且受信任",[229,757,759],{"id":758},"_2-自动删除机制","2. 自动删除机制",[15,761,762,722],{},[203,763,764],{},"删除时间表",[49,766,767,780],{},[52,768,769],{},[55,770,771,774,777],{},[58,772,773],{},"阶段",[58,775,776],{},"处理方式",[58,778,779],{},"时间",[68,781,782,793,804,815],{},[55,783,784,787,790],{},[73,785,786],{},"上传文件",[73,788,789],{},"存储在临时空间",[73,791,792],{},"处理期间",[55,794,795,798,801],{},[73,796,797],{},"处理完成",[73,799,800],{},"立即标记删除",[73,802,803],{},"0-5分钟",[55,805,806,809,812],{},[73,807,808],{},"下载完成",[73,810,811],{},"立即物理删除",[73,813,814],{},"即时",[55,816,817,820,823],{},[73,818,819],{},"未下载",[73,821,822],{},"自动定时删除",[73,824,825],{},"24小时后",[15,827,828,722],{},[203,829,830],{},"删除策略",[132,832,833,836,839,842],{},[29,834,835],{},"处理完成后立即从内存中清除",[29,837,838],{},"临时存储定期清理",[29,840,841],{},"不使用长期存储",[29,843,844],{},"禁止人工访问用户文件",[229,846,301],{"id":300},[15,848,849,722],{},[203,850,851],{},"物理安全",[132,853,854,857,860],{},[29,855,856],{},"使用知名云服务提供商",[29,858,859],{},"数据中心多重认证",[29,861,862],{},"24\u002F7监控和安保",[15,864,865,722],{},[203,866,867],{},"系统安全",[132,869,870,873,876,879],{},[29,871,872],{},"定期安全更新",[29,874,875],{},"防火墙保护",[29,877,878],{},"入侵检测系统",[29,880,881],{},"安全审计日志",[15,883,884,722],{},[203,885,886],{},"网络安全",[132,888,889,892,895,898],{},[29,890,891],{},"DDoS防护",[29,893,894],{},"网络隔离",[29,896,897],{},"访问控制",[29,899,900],{},"流量监控",[229,902,316],{"id":315},[15,904,905,722],{},[203,906,907],{},"数据收集政策",[15,909,910,722],{},[203,911,912],{},"我们收集什么",[132,914,915,918,921],{},[29,916,917],{},"上传的文件（临时）",[29,919,920],{},"转换操作记录（匿名统计）",[29,922,923],{},"基本访问日志（用于安全）",[15,925,926,722],{},[203,927,928],{},"我们不收集",[132,930,931,934,937,940],{},[29,932,933],{},"个人身份信息（无需注册）",[29,935,936],{},"文件内容（仅用于处理）",[29,938,939],{},"信用卡信息（完全免费）",[29,941,942],{},"浏览历史",[15,944,945,722],{},[203,946,947],{},"数据使用",[132,949,950,953,956],{},[29,951,952],{},"仅用于提供转换服务",[29,954,955],{},"不向第三方出售或共享",[29,957,958],{},"遵守相关隐私法规",[19,960,961],{"id":961},"如何保护自己的文件",[229,963,964],{"id":964},"用户端安全措施",[15,966,967],{},[203,968,969],{},"1. 使用安全的网络",[132,971,972,975,978],{},[29,973,974],{},"避免使用公共WiFi处理敏感文件",[29,976,977],{},"使用家庭或企业安全网络",[29,979,980],{},"如必须使用公共网络，使用VPN",[15,982,983],{},[203,984,985],{},"2. 文件加密",[132,987,988,995,998],{},[29,989,990,991],{},"重要文件先使用",[480,992,994],{"href":993},"\u002Ftools\u002Fpdf-lock","PDF加密工具",[29,996,997],{},"设置强密码保护",[29,999,1000],{},"上传前确保文件已加密",[15,1002,1003],{},[203,1004,1005],{},"3. 及时下载",[132,1007,1008,1011,1014],{},[29,1009,1010],{},"处理完成后立即下载",[29,1012,1013],{},"不要长时间将文件留在服务器",[29,1015,1016],{},"下载后确认文件完整",[15,1018,1019],{},[203,1020,1021],{},"4. 本地保护",[132,1023,1024,1027,1030],{},[29,1025,1026],{},"下载后保存在安全位置",[29,1028,1029],{},"及时删除浏览器下载记录",[29,1031,1032],{},"使用防病毒软件保护电脑",[229,1034,1035],{"id":1035},"敏感文件处理建议",[15,1037,1038,722],{},[203,1039,1040],{},"高度敏感文件",[132,1042,1043,1046,1049,1052],{},[29,1044,1045],{},"合同和协议",[29,1047,1048],{},"财务记录",[29,1050,1051],{},"个人身份证件",[29,1053,1054],{},"医疗记录",[15,1056,1057,722],{},[203,1058,1059],{},"处理建议",[26,1061,1062,1078,1097],{},[29,1063,1064,722,1067],{},[203,1065,1066],{},"优先选择",[132,1068,1069,1072,1075],{},[29,1070,1071],{},"使用桌面版PDF软件",[29,1073,1074],{},"离线处理敏感文件",[29,1076,1077],{},"Adobe Acrobat、Foxit等",[29,1079,1080,722,1083],{},[203,1081,1082],{},"如果必须使用在线工具",[132,1084,1085,1088,1091,1094],{},[29,1086,1087],{},"先使用PDF加密",[29,1089,1090],{},"使用强密码（12位以上，包含大小写和数字）",[29,1092,1093],{},"处理后立即下载",[29,1095,1096],{},"确认服务器已删除文件",[29,1098,1099,722,1102],{},[203,1100,1101],{},"额外保护",[132,1103,1104,1107,1110],{},[29,1105,1106],{},"删除文件中的敏感元数据",[29,1108,1109],{},"使用临时邮箱（如需提供邮箱）",[29,1111,1112],{},"避免包含过多个人信息的文件名",[19,1114,1115],{"id":1115},"常见问题解答",[229,1117,1119],{"id":1118},"q1-我的文件会被保存吗","Q1: 我的文件会被保存吗？",[15,1121,1122,722],{},[203,1123,1124],{},"回答",[132,1126,1127,1130,1133,1136],{},[29,1128,1129],{},"文件仅临时存储用于处理",[29,1131,1132],{},"处理完成后自动删除",[29,1134,1135],{},"不会永久保存在服务器上",[29,1137,1138],{},"不会用于其他目的",[15,1140,1141,722],{},[203,1142,1143],{},"建议",[132,1145,1146,1149,1152],{},[29,1147,1148],{},"及时下载处理后的文件",[29,1150,1151],{},"不要依赖服务器长期保存",[29,1153,1154],{},"重要文件做好本地备份",[229,1156,1158],{"id":1157},"q2-转换过程中文件安全吗","Q2: 转换过程中文件安全吗？",[15,1160,1161,722],{},[203,1162,1124],{},[132,1164,1165,1168,1171,1174],{},[29,1166,1167],{},"传输过程：使用HTTPS加密",[29,1169,1170],{},"处理过程：在隔离环境中进行",[29,1172,1173],{},"存储过程：临时存储，访问受限",[29,1175,1176],{},"全周期：多重安全措施保护",[229,1178,1180],{"id":1179},"q3-你们能看到我的文件内容吗","Q3: 你们能看到我的文件内容吗？",[15,1182,1183,722],{},[203,1184,1124],{},[132,1186,1187,1190,1193,1196],{},[29,1188,1189],{},"技术上：系统需要解析文件进行转换",[29,1191,1192],{},"实际上：自动化处理，无人查看",[29,1194,1195],{},"政策上：禁止员工访问用户文件",[29,1197,1198],{},"法律上：受隐私保护承诺约束",[229,1200,1202],{"id":1201},"q4-文件会被分享给第三方吗","Q4: 文件会被分享给第三方吗？",[15,1204,1205,722],{},[203,1206,1124],{},[132,1208,1209,1212,1215,1218],{},[29,1210,1211],{},"绝对不会出售或分享给任何第三方",[29,1213,1214],{},"不会用于机器学习训练",[29,1216,1217],{},"不会用于广告定向",[29,1219,1220],{},"完全保密处理",[229,1222,1224],{"id":1223},"q5-如何确保文件已删除","Q5: 如何确保文件已删除？",[15,1226,1227,722],{},[203,1228,1229],{},"措施",[26,1231,1232,1235,1238,1241],{},[29,1233,1234],{},"系统自动删除机制",[29,1236,1237],{},"定期清理临时文件",[29,1239,1240],{},"下载链接24小时后失效",[29,1242,1243],{},"不保留任何文件副本",[15,1245,1246,722],{},[203,1247,1248],{},"用户可做的",[26,1250,1251,1254,1257,1260],{},[29,1252,1253],{},"下载后刷新页面",[29,1255,1256],{},"不要分享下载链接",[29,1258,1259],{},"及时清理浏览器缓存",[29,1261,1262],{},"关闭浏览器私密模式",[229,1264,1266],{"id":1265},"q6-免费工具为什么也能保证安全","Q6: 免费工具为什么也能保证安全？",[15,1268,1269,722],{},[203,1270,1271],{},"商业模式说明",[132,1273,1274,1277,1280,1283],{},[29,1275,1276],{},"通过广告而非出售数据盈利",[29,1278,1279],{},"规模经济降低处理成本",[29,1281,1282],{},"用户信任是服务的核心",[29,1284,1285],{},"免费≠低质量或不安全",[15,1287,1288,722],{},[203,1289,1290],{},"安全投入",[132,1292,1293,1296,1299,1302],{},[29,1294,1295],{},"使用与付费工具相同的云基础设施",[29,1297,1298],{},"采用行业标准的安全措施",[29,1300,1301],{},"定期进行安全审计",[29,1303,1304],{},"持续改进安全策略",[19,1306,1307],{"id":1307},"安全最佳实践",[229,1309,1310],{"id":1310},"上传前",[26,1312,1313,1329,1345],{},[29,1314,1315,1318],{},[203,1316,1317],{},"检查网站安全",[132,1319,1320,1323,1326],{},[29,1321,1322],{},"确认使用HTTPS",[29,1324,1325],{},"检查安全证书",[29,1327,1328],{},"确认是官方域名",[29,1330,1331,1334],{},[203,1332,1333],{},"文件准备",[132,1335,1336,1339,1342],{},[29,1337,1338],{},"删除不必要的元数据",[29,1340,1341],{},"考虑加密敏感文件",[29,1343,1344],{},"使用描述性但安全的文件名",[29,1346,1347,1350],{},[203,1348,1349],{},"环境检查",[132,1351,1352,1355,1358],{},[29,1353,1354],{},"使用安全的网络连接",[29,1356,1357],{},"确保设备无恶意软件",[29,1359,1360],{},"关闭不必要的程序",[229,1362,1363],{"id":1363},"处理中",[26,1365,1366,1382],{},[29,1367,1368,1371],{},[203,1369,1370],{},"不要离开页面",[132,1372,1373,1376,1379],{},[29,1374,1375],{},"保持处理页面打开",[29,1377,1378],{},"等待处理完成",[29,1380,1381],{},"避免中断转换过程",[29,1383,1384,1387],{},[203,1385,1386],{},"注意提示",[132,1388,1389,1392,1395],{},[29,1390,1391],{},"阅读安全提示",[29,1393,1394],{},"注意警告信息",[29,1396,1397],{},"遵循最佳实践建议",[229,1399,1400],{"id":1400},"下载后",[26,1402,1403,1419,1435],{},[29,1404,1405,1408],{},[203,1406,1407],{},"立即保存",[132,1409,1410,1413,1416],{},[29,1411,1412],{},"下载到安全位置",[29,1414,1415],{},"重命名为有意义的名称",[29,1417,1418],{},"检查文件完整性",[29,1420,1421,1424],{},[203,1422,1423],{},"清理痕迹",[132,1425,1426,1429,1432],{},[29,1427,1428],{},"清除浏览器下载列表",[29,1430,1431],{},"关闭浏览器标签页",[29,1433,1434],{},"清理临时文件",[29,1436,1437,1440],{},[203,1438,1439],{},"验证删除",[132,1441,1442,1445,1448],{},[29,1443,1444],{},"刷新页面确认无法重新下载",[29,1446,1447],{},"等待24小时后确认链接失效",[29,1449,1450],{},"如有疑虑可联系客服确认",[19,1452,1453],{"id":1453},"与其他方式对比",[229,1455,1457],{"id":1456},"在线工具-vs-桌面软件","在线工具 vs 桌面软件",[49,1459,1460,1472],{},[52,1461,1462],{},[55,1463,1464,1467,1470],{},[58,1465,1466],{},"特性",[58,1468,1469],{},"在线工具",[58,1471,344],{},[68,1473,1474,1484,1495,1506,1517,1528],{},[55,1475,1476,1479,1481],{},[73,1477,1478],{},"便捷性",[73,1480,364],{},[73,1482,1483],{},"需要安装",[55,1485,1486,1489,1492],{},[73,1487,1488],{},"处理速度",[73,1490,1491],{},"依赖网络",[73,1493,1494],{},"依赖本地性能",[55,1496,1497,1500,1503],{},[73,1498,1499],{},"安全性",[73,1501,1502],{},"传输加密，自动删除",[73,1504,1505],{},"本地处理，不离开电脑",[55,1507,1508,1511,1514],{},[73,1509,1510],{},"成本",[73,1512,1513],{},"免费",[73,1515,1516],{},"通常付费",[55,1518,1519,1522,1525],{},[73,1520,1521],{},"适用文件",[73,1523,1524],{},"中小文件",[73,1526,1527],{},"任意大小",[55,1529,1530,1533,1536],{},[73,1531,1532],{},"敏感程度",[73,1534,1535],{},"一般文件",[73,1537,1040],{},[15,1539,1540,722],{},[203,1541,1542],{},"选择建议",[132,1544,1545,1548,1551],{},[29,1546,1547],{},"日常文件 → 在线工具方便快捷",[29,1549,1550],{},"敏感文件 → 桌面软件更安全",[29,1552,1553],{},"大文件 → 桌面软件更稳定",[229,1555,1556],{"id":1556},"安全等级评估",[15,1558,1559,722],{},[203,1560,1561],{},"91AI安全等级",[132,1563,1564,1567,1570,1573],{},[29,1565,1566],{},"传输：A级（HTTPS加密）",[29,1568,1569],{},"处理：A级（隔离环境）",[29,1571,1572],{},"存储：A级（临时存储，自动删除）",[29,1574,1575],{},"隐私：A级（最小化数据收集）",[19,1577,1578],{"id":1578},"总结",[15,1580,1581],{},"在线PDF工具的安全性取决于多个因素。91AI采取全面的安全措施，确保您的文件在转换过程中得到充分保护：",[26,1583,1584,1589,1594,1600],{},[29,1585,1586,1588],{},[203,1587,659],{}," - HTTPS加密保护",[29,1590,1591,1593],{},[203,1592,675],{}," - 隔离环境，自动化处理",[29,1595,1596,1599],{},[203,1597,1598],{},"存储安全"," - 临时存储，自动删除",[29,1601,1602,1604],{},[203,1603,86],{}," - 最小化数据收集，不分享",[15,1606,1607],{},"对于一般文档，在线工具既方便又安全。对于高度敏感的文件，建议使用桌面软件本地处理。无论选择哪种方式，保持安全意识和良好的文件处理习惯都是最重要的。",[15,1609,1610],{},"通过了解这些安全措施，您可以更加放心地使用91AI的在线PDF工具，高效完成文档处理任务。",{"title":153,"searchDepth":154,"depth":154,"links":1612},[1613,1616,1622,1626,1634,1639,1643],{"id":633,"depth":154,"text":633,"children":1614},[1615],{"id":636,"depth":491,"text":636},{"id":227,"depth":154,"text":227,"children":1617},[1618,1619,1620,1621],{"id":707,"depth":491,"text":708},{"id":758,"depth":491,"text":759},{"id":300,"depth":491,"text":301},{"id":315,"depth":491,"text":316},{"id":961,"depth":154,"text":961,"children":1623},[1624,1625],{"id":964,"depth":491,"text":964},{"id":1035,"depth":491,"text":1035},{"id":1115,"depth":154,"text":1115,"children":1627},[1628,1629,1630,1631,1632,1633],{"id":1118,"depth":491,"text":1119},{"id":1157,"depth":491,"text":1158},{"id":1179,"depth":491,"text":1180},{"id":1201,"depth":491,"text":1202},{"id":1223,"depth":491,"text":1224},{"id":1265,"depth":491,"text":1266},{"id":1307,"depth":154,"text":1307,"children":1635},[1636,1637,1638],{"id":1310,"depth":491,"text":1310},{"id":1363,"depth":491,"text":1363},{"id":1400,"depth":491,"text":1400},{"id":1453,"depth":154,"text":1453,"children":1640},[1641,1642],{"id":1456,"depth":491,"text":1457},{"id":1556,"depth":491,"text":1556},{"id":1578,"depth":154,"text":1578},"详细了解91AI工具的安全措施，包括文件加密传输、自动删除机制等隐私保护功能。",[1646,86,1647,1648,1649],"PDF安全","文件加密","数据安全","在线转换安全",{},"\u002Fhelp\u002Ffaq\u002Fsecurity-privacy",[1653,1654,1655],"pdf-lock","pdf-unlock","pdf-watermark",{"title":622,"description":1644},"help\u002Ffaq\u002Fsecurity-privacy","2026-05-03","vytgHNcb0PMn0sF4KxihWhp17gw99y0QTJIPQ3xcjZU",1778128337594]