Is this PDF signer really free?

Yes. 100% free forever — no trial, no premium tier, no per-signature charge, no daily quota. Sign as many PDFs as you want. Ad-supported so it stays free for everyone. Unlike Adobe Acrobat (which gates cryptographic signatures behind a $15/mo subscription), Smallpdf (2 signatures / day free), and iLovePDF (free tier limited) — we give you everything on the free tier.

Do I need an account?

No. No signup, no login, no email, no captcha, no credit card. Open the page, drop your PDF, sign, download.

Is my PDF uploaded to a server?

No. The entire signing happens locally in your browser using the Web Crypto API for RSA keypair generation and PKCS#7 / CMS packaging. Your PDF never leaves your device — there is no server-side copy because we don't have a server for your files.

Is my signature or private key sent anywhere?

No. Your signature image, drawing, or typed name stays in browser memory. If you upload a .p12 / .pfx certificate, it's parsed locally — never transmitted. The generated private key for self-signed certs lives in Web Crypto's non-extractable storage and is discarded when you close the tab.

What's the difference between an electronic signature and a digital signature?

An electronic signature is any visible mark placed on a document — a drawn scribble, a typed name, a photo of a handwritten signature. It looks like a signature but has no cryptographic proof. A digital signature is a cryptographic operation: the document's content is hashed (SHA-256), the hash is encrypted with your private key (RSA-2048), and the result is embedded in a PKCS#7 / CMS structure inside the PDF. Anyone can verify two things from that: (a) the document hasn't been modified since signing, and (b) it was signed by the holder of the corresponding private key. Most legal jurisdictions (EU eIDAS, US ESIGN, most of Asia) recognise digital signatures as legally equivalent to wet-ink signatures; electronic-only signatures sit on weaker footing. Our tool does both — visible AND cryptographic — in a single signing pass, which is what Adobe Acrobat Pro also does, but for free.

How do I sign a PDF for free?

Drop your PDF on the page above. The editor opens with the Certify modal pre-selected. Choose draw / type / upload for a visible signature, then click the page where it should go. Click Save — the PDF is cryptographically signed with your in-browser-generated certificate and downloads. Entirely free, entirely local, no signup. Most competitors gate either the crypto or the no-watermark output; we don't.

How do I add a signature to a PDF?

Same flow. Drop PDF, pick how to produce the signature (draw / type / upload a PNG or JPG of your signature), place it by clicking the page. Our visible signature renders at the exact pixel position you click, with the size you drag to, so it lines up with the signature line on contracts, NDAs, tax forms, etc.

Are PDF signatures legally binding?

In most jurisdictions, yes, with nuance. The EU's eIDAS regulation recognises three tiers: Simple Electronic Signature (SES — e.g. a typed name, accepted but weaker), Advanced Electronic Signature (AES — uniquely identifies the signer, our cryptographic output qualifies), and Qualified Electronic Signature (QES — requires a trust-service-provider-issued certificate, not produced by our tool). The US ESIGN Act (2000) and UETA treat most electronic signatures as legally equivalent to wet-ink. High-stakes contexts (notarised deeds, some courts) may require QES or physical signatures — consult a lawyer if the stakes warrant it. For everyday business use (contracts, NDAs, HR forms, vendor agreements), our cryptographic output is usually sufficient.

What is PKCS#7 / CMS?

PKCS#7 (Public Key Cryptography Standards #7), also known as CMS (Cryptographic Message Syntax), is the standard encoding for digitally signed data that every major PDF viewer understands. When you sign a PDF through our tool, we compute a SHA-256 hash of the document's byte range, encrypt the hash with your RSA-2048 private key, and package the result along with your certificate into a PKCS#7 structure. That blob is embedded inside the PDF's /Sig field. Adobe, Chrome, Edge, Foxit, and macOS Preview all read PKCS#7 signatures natively and show a verification badge — the exact same mechanism Adobe Acrobat Pro and DocuSign use.

Do the signed PDFs work in Adobe Acrobat?

Yes. Our PKCS#7 output is standards-compliant — we tested against Adobe Acrobat Reader DC, Adobe Acrobat Pro, Chrome's built-in PDF viewer, Edge, Firefox's PDF.js, macOS Preview, and Foxit Reader. All show a verification badge. For self-signed certificates (generated in-browser), Adobe shows yellow 'signer unknown' warning — this is the correct behaviour, because self-signed certs have no third-party trust anchor. To get a green badge, upload a .p12 from a trusted Certificate Authority (Digicert, Sectigo, GlobalSign, your organisation's internal PKI).

How do I sign a PDF with a .p12 / .pfx certificate?

In the Certify modal, click 'Use existing certificate'. Upload your .p12 or .pfx file, enter the password if it has one. The certificate is parsed locally — both the public and private key stay in browser memory and are used only for this signing pass. The signed PDF carries your real identity (issuer, subject, validity dates) which any verifier can check against the issuing CA's root store.

What if I just want a visible signature without the crypto?

Pick the 'Visible only' option in the Certify modal. You get a PDF with your drawn / typed / uploaded signature placed on the page — no cryptographic structure, no PKCS#7 embedding. This is equivalent to what iLovePDF and Smallpdf produce on their free tiers. It's legally weaker (just an electronic signature, not an advanced one) but fine for casual use where the other party doesn't need cryptographic proof.

Can multiple people sign the same PDF?

Yes, sequentially. Sign once and download. The recipient opens the signed PDF in our tool, drops it in, and signs again. PDF's byte-range mechanism supports any number of sequential signatures; each new signature covers a byte range that includes the previous signatures, producing a chain of verifiable signatures. (Concurrent multi-party signing — one PDF sent to five people at once — requires workflow software like DocuSign or Adobe Sign; we're a single-user tool, not a workflow orchestrator.)

Does it work offline?

Yes, once the page has loaded. The signing engine runs entirely in your browser — you can disconnect from the internet and keep signing. Great for sensitive documents (NDAs, medical releases, financial agreements) you'd rather process without any network connection active.

Can I sign a PDF on my phone?

Yes. Open the page on your phone's browser, tap Select PDF, tap Draw and trace your signature with your finger on the touchscreen, tap Save. Works on iPhone Safari, iPad, Android Chrome. Touch signing feels natural on iPad Pro with Apple Pencil — comparable to DocuSign's mobile experience but without the subscription.

Can I sign a password-protected PDF?

If the PDF is owner-locked (opens without a password), yes. If it requires a password to open, unlock it first with our /unlock-pdf tool, then sign. Our unlocker is also 100% local — the password never leaves your device.

What about timestamped signatures (RFC 3161 TSA)?

Timestamped signatures add a trusted-time-server stamp to prove WHEN a document was signed, independent of the signer's system clock. They require a network call to an external TSA (Time Stamping Authority) — which breaks our local-only promise. We don't ship timestamping today. If you need it for legal archival / long-term validation (LTV), our tool isn't the right fit; use Adobe Acrobat Pro or a commercial e-signing service. For 99% of personal and small-business signing, non-timestamped signatures plus the date field we embed are sufficient.

Is this the best free PDF signer?

For privacy-first workflows where you don't want your PDF, signature, or private key to touch a server, and where you want cryptographic signatures on the free tier (not gated behind Adobe's $15/mo), we think so — and we explicitly compare ourselves to Adobe, Smallpdf, iLovePDF, DocuSign, and Sejda below. For cross-party signing workflows (send to 5 people, track who signed), you need DocuSign or Adobe Sign. Pick the tradeoffs that match your actual use case.

Saini PDF — Sa'oloto, Tumaoti, Cryptographic

Saini va'aia MA saini fa'akomepiuta moni (PKCS#7) — e leai se totogi, fa'alotoifale uma, fa'atulafonoina uma.

Drop a PDF and we open it in the editor with the Certify modal pre-selected. Draw your signature with mouse / trackpad / finger, type your name, or upload a signature image. Add reason / location / date fields. Place the visible signature anywhere on the page. We cryptographically sign the output using an in-browser-generated RSA-2048 self-signed certificate (or your own .p12 if you have one). Your PDF, your signature, and your private key never leave your device. No signup, no watermark, no per-signature charge. The only free PDF signer that does real cryptography.

100% Saoloto E Faavavau E Le Mana'omia Se Tala 100% i Lau Masini Fa'ailoga Malosi o le Ami

E le tu'ua e faila lau masini

Fa'ailoga AES-256

E le mafai ona matou va'aia au pepa

E le mana'omia se feso'ota'iga

Tu'u lau PDF iinei

po'o

PDF · Leai se fa'aulufaleina - fa'amau saini & ki fa'apitoa i lau masini.

Auala e saini ai se PDF mo le Saoloto

1. Tu'u lau PDF

Toso le PDF i luga o le sone pa'ū i luga, pe kiliki e suʻe. E otometi lava ona tatala le faatonu i le Certify modal ua uma ona filifilia - leai se faʻataʻitaʻiga i menus, leai se suʻega mo le saini meafaigaluega.

2. Tusi ata, lolomi, pe lafo lau saini

O le Certify modal e ofoina atu ni auala se tolu i se saini vaaia: tusi ma lau kiore, trackpad, poʻo le tamatamailima i luga o le paʻi paʻi; lolomi lou igoa i se vai papatisoga saini; po'o le tu'uina atu o se PNG/JPG o lau saini o iai. O mea uma e tolu e maua ai le i'uga va'aia tutusa - filifili po'o fea e sili ona masani mo oe.

3. Faaopoopo le mafuaaga, nofoaga, ma le aso

I le PDF 2.0 spec, o saini fa'ata'oto e iai mafuaaga e filifili ai (fa'ata'ita'iga "O a'u o le tusitala"), nofoaga (fa'ata'ita'iga "Berlin, Siamani"), ma fanua o aso. E va'aia e le au fa'amaonia ia mea fa'atasi ma le tulaga crypto. Matou te faatumu otometi le aso; faatumu le vaega o totoe pe afai e manaʻomia e le talaaga.

4. Tuu le saini ma saini

Kiliki i so'o se mea i luga o le itulau e tu'u ai le saini fa'atafa'afafa'i. Toso e sui le tele. Kiliki Save. Matou te fa'atupuina se ki fou RSA-2048 + tusi saini a le tagata lava ia i lau su'esu'ega, fa'atatau le SHA-256 hash o le fa'asologa o pepa, afifi le PKCS#7 saini-fa'amatalaga pa'u, ma fa'apipi'i i le PDF. O le faila saini e la'u mai loa.

Aisea e sili ai le saini PDF sili ona lelei

100% fa'apitonu'u - leai se 'au'aunaga e auai

O lau PDF, lau saini saini, lau tusi faamaonia na lafoina, lau ki patino - e leai se mea e paʻi i se server. Fa'atusatusa: Adobe, Smallpdf, iLovePDF, DocuSign, ma Sejda o loʻo tuʻuina uma mea uma. Afai o le pepa o se konekarate sainia, NDA, lafoga toe faafoi, poʻo le faʻamalolo faafomaʻi, e sili atu le taua nai lo se isi mea i luga o le upega tafaʻilagi.

cryptography moni, tulaga saoloto

O le Smallpdf ma le iLovePDF e tuʻuina atu ia te oe se saini faʻaalia i luga o latou vaega saoloto - o se tusi i luga o le itulau e leai se faʻamaoniga faʻamaonia. O se "saini faaeletonika", e vaivai faaletulafono. Matou te avatu ia te oe saini numera PKCS#7 / CMS e leai se totogi, tutusa le tulaga masani o le Adobe Acrobat Pro e faʻaogaina (faʻapolo i tua o le $15/mo le lesitala iina).

Tusi pasi saini vave

Ole tele ole saini fa'ata'ita'i e mana'omia se tusi pasi na mua'i tu'uina atu. Matou te fa'atupuina se pa'aga fou RSA-2048 ma fa'ailoga X.509 saini i lau su'esu'ega e ala i le Web Crypto API - leai se seti. Tu'u mai lau .p12 / .pfx o iai pe a e mana'o i le fa'atuatuaga a le isi vaega; a leai o le tusi pasi saini e lava mo le faʻaoga a le tagata lava ia ma pisinisi laiti-pisinisi galuega.

Va'aia + cryptographic i le tasi pasi

O le tele o meafaigaluega e leai se totogi e fa'amalosia oe e filifili se tasi. Matou te fa'aputuina: o lau saini va'aia o lo'o va'aia i luga o le itulau MA le PDF o lo'o i ai se saini fa'ata'oto e fa'amaonia ai po'o ai na sainia ma e le'i suia le pepa. E lua i totonu o se pasi sefe se tasi.

Fa'amaonia otometi ile uta

Tu'u se PDF saini ma matou fa'aalia se fu'a fa'amaonia - fa'amaonia / le aoga / le fa'amaonia-tuuina atu - fa'atasi ma fa'amatalaga tusi pasi saini. E masani ona fa'aalia e tagata tauva na'o se ata saini; e tatau ona e tauaveina i luga o le faatuatua.

filifili saini e tele

Saini, lafo i le paaga, latou saini ma toe lafo atu. PDF's byte-range model e lagolagoina so'o se numera o saini fa'asolosolo; o saini fou ta'itasi e ufiufi ai saini muamua, ma maua ai se filifili fa'amaonia. E taulimaina e le matou faatonu le toe sainia e aunoa ma le faalēaogāina o le saini muamua.

Moni Sa'oloto, Fa'avavau

Leai se fa'ata'ita'iga, leai se vaega fa'apitoa, leai se totogi e tasi. Adobe Acrobat Pro e $15/mo; DocuSign Personal e $15/mo; Smallpdf Pro e $12/mo. O latou uma e lafo lau faila pe manaʻomia se saofaga mo le saini faʻataʻitaʻi. Matou te lagolagoina fa'asalalauga ma sa'oloto e fa'avavau.

Leai se tala, leai se imeli

Amata vave saini. Leai se saini, leai se imeli pueina, leai se credit card.

E galue tuusao

A uma loa ona uta le faatonu e mafai ona e momotu mai le initaneti ma saini pea. Lelei mo konekarate ma'ale'ale, NDAs, ma fa'amaumauga tau tupe a le tagata lava ia.

Saini Fa'aeletonika vs. Saini Fa'atekinolosi — O Le Mea Moni e Taofia

Saini faaeletonika (SES — Faigofie)

So'o se fa'ailoga va'aia i luga o se pepa fa'akomepiuta: o se igoa lolomi, se tusi tusi, se saini susū susū, se pusa siaki "Ou te ioe". E aloa'ia faaletulafono i le tele o pulega faa-faamasinoga mo pisinisi i aso uma (EU eIDAS SES tier, US ESIGN / UETA, UK Electronic Communications Act) ae faigofie ona tauva pe afai e tete'e mulimuli ane le saini - e leai se fa'amaoniga fa'amaonia o ai na gaosia le fa'ailoga. O la tatou faiga "na'o vaaia" e maua ai lenei mea.

Saini faaeletonika maualuga (AES)

Laasaga o tulafono faatonutonu a le EU eIDAS 2. E tatau ona (a) faailoa tulaga ese le tagata saini, (b) i lalo o le pule a le tagata saini, (c) iloa le fa'aseseina pe a uma ona sainia, (d) faia e fa'aaoga ai fa'amatalaga e mafai ona tausia e le tagata saini i lalo o latou pule. O la matou galuega fa'akomepiuta (PKCS#7 i luga o le SHA-256 ma le RSA-2048 ma se ki fa'apitoa na fa'atupuina i le lotoifale i le teuina o Web Crypto e le mafai ona fa'aaogaina) e fetaui ma ta'iala uma e fa - e mafai ona e tapa le tulaga AES mo se PDF saini iinei.

Saini faaeletonika agavaa (QES)

EU eIDAS regulation tier 3. AES fa'atasi ai ma se tusi pasi mai le Trust Service Provider (TSP) i luga o se lisi fa'alagolago i le EU, fa'atasi ai ma se masini fa'apitoa e faia ai saini (HSM po'o le smartcard). QES e tutusa faaletulafono ma se saini vaitusi susu i le EU atoa. Matou te le gaosia QES ona e le mafai e na'o su'esu'e tafega ona fa'amalieina le mana'omia o masini fa'avae saini e fa'atatau i masini - e te mana'omia se masini saini fa'apitoa po'o le HSM ao. Afai o lau mataupu fa'aoga e mana'omia faapitoa le QES (konekarate fa'asalalau, nisi o pisinisi fa'atonutonu), e te mana'omia le Adobe Sign, DocuSign EU Qualified, po'o se TSP i le lotoifale.

Tulafono a Amerika (ESIGN / UETA)

US feterale ESIGN Act (2000) ma le setete UETA vaetamaina o le tele o saini faaeletonika e tutusa faaletulafono ma vaitusi susu - e aunoa ma le faiga faavasegaina a le EU. Mo se saini ina ia faamalosia: (a) e tatau i itu uma e lua ona malilie e saini faaeletoroni, (b) e tatau ona faia ma le loto i ai le saini, (c) e tatau ona taofia faamaumauga. O nei mea uma o loʻo faʻaogaina; oa tatou galuega faatino e fetaui ma i latou. O nisi ituaiga pepa fa'apitoa o lo'o vaneina (uili, mataupu fa'ale-aiga, nisi o fa'amaumauga a le fa'amasinoga) — siaki lau setete.

PDF Edit vs Adobe, Smallpdf, iLovePDF, DocuSign, Sejda

Uiga	PDF Edit	Adobe	Smallpdf	iLovePDF	DocuSign	Sejda
Faila si'itia i se server?	No — 100% local	Ioe	Ioe	Ioe	Ioe	Ioe
Saini fa'ailoga i luga ole la'asaga fua?	Yes — PKCS#7 / CMS	Totogi ($15/mo)	Totogi ($12/mo)	Totogi	Totogi ($15/mo)	Totogi
Saini va'aia e leai se totogi?	Yes	Ioe	2/aso e leai se totogi	Fa'agata fa'agata	Totogi	Fa'agata fa'agata
Fa'ailoga saini a le tagata lava ia ile su'esu'ega?	Yes — auto	Manaomia le faaulufale mai	Leai	Leai	Leai	Leai
La'u mai lau lava .p12 / .pfx?	Yes	Ioe (totogi)	Leai	Leai	Ioe (totogi)	Leai
Mana'omia se tala?	Never	Fa'agata fa'agata	E mana'omia imeli	Fa'agata fa'agata	E mana'omia imeli	Fa'agata fa'agata
Fa'ailoga vai i luga o le fa'aoga?	No	Leai	Leai	Leai	Leai	Leai
Galue e aunoa ma le alaleo pe ā uma le uta?	Yes	Leai	Leai	Leai	Leai	Leai
Fa'amaonia saini ulufale mai?	Yes — auto banner	Ioe	Vaega	Vaega	Ioe	Vaega
Totogi fa'aletausaga mo saini fa'ata'oto?	$0	~$180/yr	~$144/yr	~$80/yr	~$180/yr	~$80/yr

If you need send-to-multiple-people workflow, where one PDF goes to five signers and you track who signed when, DocuSign or Adobe Sign is the right tool. For you signing your own documents — contracts you received, vendor agreements, NDAs, tax forms — we cover the exact same cryptographic capability for free, without uploading anything.

O ai e saini PDFs Fa'apenei?

Freelancers e sainia konekarate

E auina atu e le tagata fa'atau se SOW po'o se taofi. E te saini, crypto-stamp, toe lafo atu. Leai se lafo i le DocuSign, leai ni imeli "fa'ata'ita'i fua", leai se Adobe fa'asoa - ma o le saini e malosi fa'aletulafono nai lo le JPG scribble aua o lo'o lagolagoina e le PKCS#7 crypto.

HR ma galuega fomu

Tuuina atu tusi, NDAs, pepa faʻapipiʻi, W-9s, fomu taofi lafoga. Ma'ale'ale e le talafeagai le tu'uina atu i se nofoaga e saini fua fua. Saini i le lotoifale, toe lafo mai ile imeli.

Fa'asalaga fa'afoma'i ma fomu HIPAA

Saini fa'atagaga mo fa'amaumauga fa'afoma'i, tagi inisiua, po'o pepa fa'amatu'u su'ega. E le tatau ona tu'uina i luga le 'au'aunaga a se tagata ese mea e aofia ai HIPAA. O mataupu saini na'o le lotoifale.

Fesootaiga faaletulafono

Tusi fa'amau, maliliega, ta'utinoga, fa'atautoga. A fa'apipi'i avanoa, e le tatau ona tu'ua e le pepa lau masini a'o sainia. O lo tatou fa'alotoifale e fa'asaoina lena mea.

Maliega fanua ma lisi

Konekalate lisi, teuteuga o lisi, fa'aaliga o meatotino. Saini ma toe foi mai e aunoa ma le resitalaina mo se isi tulaga saini. E maua e le paaga se PDF fa'amaonia fa'amaonia e mafai ona latou tatalaina i so'o se tagata matamata.

Malo ma pepa lafoga

Pepa IRS (W-9, 1099), talosaga a le malo, pepa femalagaiga. Tele lala sooupu talia PKCS#7 sainia PDFs. O le saini fa'apitonu'u e 'alofia ai le tu'uina atu o pepa fa'ailoa ma'ale'ale.

Tusitala ma tagata e umia aia tatau

Saini se galuega faafuainumera e faamaonia ai le tusitala i se taimi patino. O le PKCS#7 saini + timestamp i le PDF saini ose fa'amaumauga tumau tumau, fa'amau i lau ki patino.

I'ugafono a Komiti Fa'atonu

O minute a le Komiti Fa'atonu, fa'atagaga o fa'atagaga, fa'asoa fa'asoa. Lagolago filifili filifili e tele e mafai ai e faatonu ona saini faasolosolo e aunoa ma le auina atu o le PDF i se ao lona tolu.

Fa'amaumauga fa'amaumauga umi

Saini se PDF taua i aso nei ma se saini fa'ailoga mata'itusi aso. Teu i totonu o le lotoifale. I tausaga mulimuli ane, so'o se tasi e iai le faila e mafai lava ona fa'amaonia sa sainia e lē o lo'o umia lau ki patino ma e le'i toe suia talu mai lena taimi. (Mo so'otaga fa'amaonia mo taimi umi ma fa'amaufa'ailoga taimi fa'atuatuaina, va'ai le vaega FAQ ile LTV.)

Saini le PDF i le iPhone, Android, Mac, Windows, ma le Chromebook

O le matou saini PDF e galue i masini uma ma se suʻesuʻega faʻaonaponei - Windows, Mac, Linux, Chromebook, iPad, iPhone, ma le Android. I luga o le iPad Pro ma le Apple Pencil, o le tusiaina o lau saini e pei lava o le DocuSign's mobile app, toesea le saofaga ae toesea le lafoina. Leai se app fa'apipi'i, leai ni mea fa'apipi'i, leai ni aia fa'atonu. O le taimi lava e utaina ai le itulau e mafai ona e momotu mai le initaneti ma faʻaauau saini - o mea uma e faʻatautaia i le lotoifale e ala i le Web Crypto API.

E fa'afefea ona galue le saini o le Cryptographic PDF i le Browser?

A e kiliki le Save, matou te fatuina se RSA-2048 keypair fou i lau suʻesuʻega e faʻaaoga ai le Web Crypto API (crypto.subtle.generateKey) - o le ki tumaoti o loʻo ola i le teuina e le mafai ona faʻaaogaina ma e le mafai ona faʻatau atu. Matou te fausia se tusipasi saini X.509 ma lou igoa saini filifilia. O le PDF ua saunia ma se avanoa avanoa /Sig i totonu ole fanua /AcroForm. Matou te fa'atusatusaina le SHA-256 hash o le fa'asologa o byte o le pepa e le aofia ai le tagata e tu'u ai. Ua sainia le hash i lau ki patino e ala i le crypto.subtle.sign (RSA-PKCS1-v1_5 ma SHA-256). Matou te fausia se fausaga PKCS#7 / CMS SignedData o lo'o iai le saini, lau tusi pasi, le taimi e saini ai, ma so'o se mafuaaga/nofoaga metadata. O le PKCS#7 blob o lo'o fa'ailoga DER ma fa'apipi'i i totonu o le PDF's /Sig fanua. O le faila e sii mai. O tagata matamata PDF fa'aonaponei uma (Adobe, Chrome, Edge, Foxit, Preview, Firefox) e faitau le fausaga o le PKCS#7 o lo'o tatala, toe fa'avasega le hash o le pepa, fa'amaonia le saini e fa'asaga i le tusi fa'apipi'i, ma fa'aalia se pine fa'amaonia. O crypto uma e alu i lau suʻega - leai se server, leai se faʻapipiʻi, leai se telemetry.

Fesili e Fai soo

E fa'afefea ona ou sainia se PDF e leai se totogi?

Tu'u lau PDF i luga o le itulau i luga. E tatala le faatonu i le Certify modal ua uma ona filifilia. Tusi, ta, pe lafo lau saini. Kiliki le itulau e tu'u ai. Kiliki Save. Sa'oloto, fa'apitonu'u, leai se fa'ailoga vai.

E fa'afefea ona ou fa'aopoopoina se saini ile PDF?

Le tafe tutusa - pa'u, tusi, tu'u, fa'asao. "Saini" ma le "faaopoopo saini" e maua ai le taunuuga tutusa i la tatou meafaigaluega.

O saini nei saini e noatia faaletulafono?

Ioe i le tele o pulega. O a matou galuega fa'ata'oto e fetaui ma fa'atonuga a le EU eIDAS "Advanced Electronic Signature" ma fa'amalieina mana'oga US ESIGN / UETA. Mo pepa fa'asalalau po'o galuega fa'apitoa a QES e te mana'omia se tusi pasi na tu'uina mai e le TSP e le mafai ona matou fa'atupuina i totonu o le su'esu'ega - fa'aaoga le Adobe Sign po'o se TSP a le atunu'u.

O la'u PDF ua tu'u i luga?

Leai. E tupu atoa le saini i lau su'esu'ega. O lau PDF, saini, ma lau ki patino e le mafai ona paʻi i la matou 'auʻaunaga.

O le a le eseesega i le va o saini faaeletonika ma numera numera?

Fa'aeletonika = so'o se fa'ailoga va'aia (tusitusi, ta'i igoa, ata). Numera = fa'atonuga fa'amaonia e fa'amaonia ai le fa'asinomaga + fa'amaoni. Matou te faia mea uma e lua, fa'aputu i luga o se pasi saini e tasi. O le tele o tagata tauva e leai se totogi na'o le fa'aeletonika.

O le a le PKCS#7?

Le fa'ailoga masani mo fa'amaumauga saini i le PDFs. So'o se tagata matamata PDF fa'aonaponei e faitau fa'aleo le PKCS#7 / CMS. O la matou galuega fa'atino e fa'atatau tonu - tutusa le faatulagaga Adobe Acrobat Pro fa'aoga.

E galue le PDF saini i le Adobe?

Ioe. Adobe Acrobat Reader / Pro, Chrome, Edge, Firefox, Foxit, macOS Preview - faʻamaonia uma a matou saini. O fa'ailoga saini a le tagata lava ia o lo'o fa'aalia ai le lapata'iga a le "tagata saini le iloa" (amio sa'o); lafo se .p12 mai se CA faatuatuaina mo le fa'amaoniaina o pine lanu meamata.

E mafai ona ou lafoina la'u tusipasi o iai?

Ioe. I le Certify modal pick "Fa'aoga tusi faamaonia o iai" ma lafo lau .p12 poʻo le .pfx faila (faʻatasi ma upu faʻamaonia pe a iai). O le tusipasi o lo'o fa'avasegaina i le lotoifale - e le'i fa'asalalauina.

E mafai ona saini le to'atele o tagata i le PDF tutusa?

Ioe, faasolosolo. Saini ma sii mai. E tatala e le tagata e mauaina iinei ma toe saini. O saini ta'itasi e aofia ai saini muamua - o se filifili fa'amaonia.

E mafai ona ou sainia se PDF i la'u telefoni?

Ioe. E galue ile iPhone Safari, iPad (aemaise ile Apple Pencil - e pei ole DocuSign Mobile), Android Chrome. Tusi i lou tamatamailima.

E mafai ona ou saini i se PDF puipuia upu faataga?

Ioe pe afai e loka e le tagata, leai pe a loka e le tagata. Afai e loka e le pule, e galue sa'o le saini. Afai e loka e le tagata (password e manaʻomia e tatala), tatala muamua ile /unlock-pdf. O meafaigaluega uma e lua e faʻatautaia i le lotoifale.

E galue tuimotu?

Ioe, a uma loa ona uta e le faatonu. O le afi saini e alu i lau su'esu'ega.

Ae faapefea saini fa'ailoga taimi (RFC 3161)?

E le'i lagolagoina - fa'ailoga taimi e mana'omia ai se feso'otaiga feso'ota'iga i se TSA i fafo e solia ai la tatou folafolaga na'o le lotoifale. Mo galuega fa'amaonia umi (LTV), fa'aaoga le Adobe Acrobat Pro po'o se tautua saini fa'apisinisi.

O le a va'ai e se tagata fa'amaonia la'u tusi pasi na saini e le tagata lava ia e aoga?

Leai - o le a latou vaʻai i se lapataiga "saini le iloa" ona o tusi pasi saini a le tagata lava ia e le o taula i se filifili aʻa CA faatuatuaina. O le saini lava ia E fa'amaonia fa'amaonia - o le fa'amatalaga fa'asinomaga e mana'omia le fa'atuatuaga a le isi vaega. Mo le fa'aoga patino ua lava; mo le fa'aoga fa'aletulafono/fa'atau, tu'u i luga se .p12 mai se CA fa'atuatuaina.

E mafai e le tagata e mauaina ona fa'asa'o le PDF saini?

Leai - pe a latou fa'asa'oina, e malepe le saini fa'ata'oto ma so'o se fa'amaoniga e va'aia "le saini saini, ua suia le pepa pe a uma ona sainia". Ole mea tonu lea ole su'esu'ega e fa'atulafonoina saini fa'atekinolosi.

E iai se fa'ailoga vai i la'u saini?

Leai. O lau saini PDF o lo'o iai tonu lau saini - leai ni fa'ailoga "Signed with FreeTool", leai ni fa'asalalauga, leai se fa'atau. O le mea e te sainia o le mea lea e lafo.

E iai se fa'atapula'a o le tele o faila?

Leai se tapula'a fa'apitoa. O mea e manatua ai masini e na'o le taualuga.

O le saini PDF sili ona lelei e leai se totogi?

Ioe - mo galuega fa'alilolilo-muamua ma mo le mauaina o saini fa'ata'oto i luga ole la'asaga fua, matou te manatu i ai. Mo fa'asologa o galuega fa'a-vaega fa'a-va'aiga (la'i atu i tagata saini e 5, fa'ailoga tulaga), DocuSign po'o le Adobe Sign o le meafaigaluega sa'o - ese'ese vaega.

About this tool: PDF Edit is built by a small independent team who were tired of PDF tools that required accounts, uploaded files to servers we didn't control, and gated cryptographic signing behind subscriptions. Everything here runs in your browser — your PDF, your signature drawing, and your private key stay on your device. The signing engine uses the Web Crypto API for RSA key generation and hashing, and produces PKCS#7 / CMS signatures that validate in every modern PDF viewer. Free forever, ad-supported.

Last updated: 2026-05-13