Home / All tools
All tools
Every ToolNinja tool in one place, grouped by category. All tools run entirely in your browser — no login, no uploads, your files never leave your device.
India-specific (15)
RTI, affidavits, letters, biodata, ID documents — for Indian forms and offices
- Self Declaration PopularSelf-declaration for address, income, gaps.
- Affidavit Generator PopularSelf-declaration affidavit. Download PDF.
- RTI GeneratorRight to Information application. PDF.
- RTI First AppealNo reply in 30 days? Draft your Section 19(1) appeal.
- Resume BuilderIndian format with photo, DOB. Download PDF.
- Leave ApplicationSchool / office leave letters. PDF download.
- Authority LetterLet someone collect documents, a parcel or bank items.
- Bank Application LetterAccount closing, ATM card, cheque book, KYC, address.
- Gap CertificateStudy gap affidavit for admission or a job.
- Resignation LetterEnglish & Hindi — last day calculated.
- Marriage Biodata MakerHindi & English, with photo — PDF/JPG.
- Biodata for JobJob biodata with photo, education table — PDF/JPG.
- PAN Card ValidatorCheck & decode PAN card number format.
- NOC Letter GeneratorNo Objection Certificate — vehicle, tenant, bank.
- Rent Agreement11-month leave & licence agreement.
PDF tools (26)
Compress to an exact size, merge, split, unlock, convert — everything runs on your device
- Driving Licence to PDF PopularDL front + back on one A4 PDF for RTO/KYC.
- Aadhaar PDF Compressor Populare-Aadhaar under 2MB/1MB/500KB — password removed.
- PDF to 200KB PopularCompress PDF for SSC, UPSC, IBPS upload.
- Voter ID to PDF PopularEPIC front + back on one A4 PDF.
- Aadhaar + PAN PDF PopularCombine Aadhaar + PAN into one A4 PDF for KYC.
- PAN Card to PDFFront + back on A4 for bank KYC, loan, tax.
- e-Aadhaar Password RemoverOpen e-Aadhaar without a password — UIDAI rule built in.
- Aadhaar Card Printe-Aadhaar front & back at ATM-card size on A4 — fold or cut.
- Self-Attested Copy MakerAdd “Self Attested”, signature and date to a scan or PDF.
- Sign & Fill PDFSignature, text, date and ticks on any PDF page.
- EPFO Joint Declaration CompressorPF correction docs to upload size, PDF/JPEG.
- PDF MergerCombine multiple PDFs into one.
- Compress PDF to 50KBTiny PDF for strict limits — text stays readable.
- Compress PDF to 100KBGet a PDF under 100 KB — sharpest result that fits.
- Compress PDF to 300KBPDF under 300 KB for exam and admission forms.
- Compress PDF to 500KBGet a PDF under 500 KB for forms and email.
- Compress PDF to 1MBAny PDF under 1 MB — lossless first.
- Compress PDF to 2MBBig scans under 2 MB for forms and email.
- Increase PDF SizeMake a PDF at least 50 KB–2 MB — pages unchanged.
- Unlock PDFRemove a known password — e-Aadhaar, statements.
- JPG to PDFPhotos to one PDF — keep it under 500 KB, 1 MB…
- PDF to JPGEach page as a JPG — set DPI or a KB limit.
- Aadhaar / PAN MaskingHide ID numbers before sharing. On-device.
- PDF SplitterExtract specific pages from any PDF.
- Delete / Rotate PDF PagesDelete, rotate and reorder pages — no quality loss.
- Shipping Label CropperMeesho, Flipkart, Amazon labels to 4×6 or A4.
Photo & signature tools (29)
Resize to KB, cm or DPI, passport and stamp photos, signatures, exam uploads — on-device
- Passport Photo Grid Popular8 photos on 4×6 or 30 on A4 — one or more people, JPG + PDF.
- Passport Photo MakerPhone photo to passport size — 35×45 mm, 2×2 in, exam sizes.
- IBPS 4-in-1 Resizer PopularPhoto, sign, thumb, declaration — PO/Clerk/SBI.
- Image Compressor PopularReduce JPG, PNG, WEBP size. No upload.
- SSC Photo & Signature ResizerCGL, CHSL, MTS, GD — exact 2026 specs.
- Handwritten Declaration HelperIBPS/SBI exact text + 800×400, 50-100KB resize.
- Thumb Impression ResizerBank exam 240×240, 20-50KB + ink cleaner.
- UPSC Photo & Signature Resizer350×350 photo, triple signature — CSE, CDS, NDA.
- RRB Railway ResizerGroup D, NTPC, ALP — signature 30-49KB.
- Signature ResizerSignature to exact px and KB — SSC, IBPS, NTA.
- ID Card Print SheetPAN, voter ID, DL, RC at real card size on A4 — front & back.
- Govt Photo ResizerSSC, UPSC, IBPS, Railway photo presets.
- Stamp Size Photo20 stamp photos on 4×6, 91 on A4 — crop and print.
- Signature MakerDraw or type signature. Download transparent PNG.
- Signature Background RemoverClean signature: transparent PNG or white JPG.
- Image Resizer (by KB)Resize to exact KB — 20KB, 50KB, 100KB, 200KB.
- Resize Photo in cm / mmExact print size like 3.5×4.5 cm at 200/300 DPI.
- Image DPI ChangerSet 200 or 300 DPI without losing quality.
- Compress Image to 20KBPhoto under 20 KB — sharpest that fits.
- Compress Image to 50KBPhoto under 50 KB for forms.
- Compress Image to 100KBPhoto under 100 KB.
- Compress Image to 200KBPhoto under 200 KB.
- Increase Image Size in KBBring a photo up to 20, 50, 100 KB minimum.
- Image Format ConverterJPG ↔ PNG ↔ WEBP, HEIC to JPG. Fix portal format errors.
- HEIC to JPGiPhone HEIC photos to JPG — nothing uploaded.
- WebP to JPGConvert WebP images to JPG for portals.
- PNG to JPGPNG to JPG with a white background.
- Photo and Signature JoinerMerge photo and signature into one image for govt forms.
- Photo Name & Date StampAdd name + date on photo for exam forms.
Business & HR (12)
GST invoices and calculator, quotations, salary slips, HR letters
- GST InvoiceGST invoices with CGST/SGST. Download PDF.
- GST CalculatorAdd or remove GST from any amount.
- Profit Margin CalculatorSelling price, markup, margin for shops.
- Rent Receipt GeneratorHRA rent receipts. Download PDF instantly.
- Salary Slip GeneratorPayslip with CTC, HRA, PF, TDS. PDF download.
- Simple Invoice & QuotationNon-GST bill, quotation or estimate — PDF.
- Number to Words₹ lakh/crore to words for cheques, invoices.
- Experience LetterExperience certificate for an employee — PDF.
- Relieving LetterCompany relieving letter, or a request to HR.
- Offer LetterJob offer letter with CTC and joining date.
- Appointment LetterFull joining letter with probation & notice.
- Salary CertificateIncome proof for loan, visa, rental.
Student tools (6)
CGPA, attendance, typing tests, certificates
- English Typing TestWPM, accuracy and mistakes — 1 to 10 minutes.
- Hindi Typing TestRemington Gail & Inscript — no install needed.
- CGPA CalculatorCGPA to percentage (×9.5 or VTU) and SGPA to CGPA.
- Attendance % CalculatorCheck the 75% rule; bunk/recover count.
- Bonafide CertificateStudent/employee bonafide certificate PDF.
- Character CertificateSchool, employer or gazetted format.
Everyday tools (9)
Age and dates, percentage, UPI QR, WhatsApp link, Hindi typing and fonts
- Age CalculatorExact age for forms + days between two dates.
- WhatsApp LinkClick-to-chat link for your business.
- UPI QR GeneratorUPI QR for shops — plus link, WhatsApp, Wi-Fi QR.
- Percentage CalculatorMarks out of total, discount, increase/decrease.
- Kruti Dev to UnicodeConvert Kruti Dev 010 to Unicode (Mangal) and back.
- English to Hindi TypingType Hindi in English letters — copy anywhere.
- Unicode to Kruti DevConvert Unicode (Mangal) Hindi to Kruti Dev 010.
- Land Unit ConverterBigha, Kanal, Marla, Gaj — state-wise values.
- Exam Age EligibilityAge check with SC/ST/OBC/PwBD relaxation.
Guides (38)
Har tool ke liye step-by-step guide — see all guides by topic →
- RTI Application GuideRTI kaise file karein — central vs state, format, fees, HP portal
- RTI First Appeal GuideFormat, 30-din time limit, FAA ko kaise bhejein
- Aadhaar Masking GuideAadhaar mask kyun karein — UIDAI rules, KYC ke liye valid
- Exam Age EligibilityUPSC SSC Railway — OBC SC ST PwBD relaxation table
- Kruti Dev ↔ UnicodeGovt office aur SSC exam ke liye font conversion guide
- Driving Licence PDFDL PDF kaise banaye — RTO, KYC, insurance ke liye
- GST Invoice GuideCGST SGST IGST kab lagta hai — valid invoice format
- GST Calculator GuideGST add ya remove karein — CGST SGST IGST kab lagta hai
- Affidavit GuideAffidavit kab chahiye, notary process, stamp paper
- Salary Slip GuideCTC se take-home — HRA PF TDS — bank loan ke liye
- Land Unit GuideBigha Kanal Marla — HP Punjab UP state-wise values
- Aadhaar + PAN PDFBank KYC ke liye Aadhaar aur PAN combine kaise karein
- Photo + Signature GuideBank form ke liye photo signature ek document mein
- Profit Margin GuideSelling price, markup, margin — shop aur business ke liye
- Quotation Generator GuideProfessional quotes aur estimates — Simple Invoice tool mein PDF
- Simple Invoice GuideNon-GST invoice — shops aur freelancers ke liye
- Number to Words GuideLakh crore ko words mein — cheque aur invoice ke liye
- Rent Receipt GuideHRA rent receipts — PDF instantly download
- PDF to 200KB GuideSSC, UPSC, IBPS ke liye PDF compress karein
- PDF Merger GuideMultiple PDFs combine — portal submission ke liye
- PDF Splitter GuideSpecific pages extract — kisi bhi PDF se
- JPG to PDF GuideMultiple images ek PDF mein — portal submission ke liye
- Aadhaar PDF Compress GuideAadhaar PDF 2MB se kam kaise karein — government portal uploads
- Image Compressor GuideJPG PNG WEBP compress — bina quality loss ke
- Govt Photo Resizer GuideSSC, UPSC, IBPS, Railway photo presets — size aur KB
- Passport Photo Grid Guide8 passport photos ek sheet par print karein
- Signature Maker GuideDraw ya type signature — transparent PNG download
- Image Format Converter GuideJPG PNG WEBP convert — portal format errors fix karein
- Image Resize by KB Guide20KB, 50KB, 100KB, 200KB — exact size ke liye
- Photo Name & Date Stamp GuideExam forms ke liye naam aur date photo par add karein
- Resume Builder GuideIndian format — photo, DOB — PDF download
- Age Calculator GuideGovernment forms ke liye exact age — govt job cutoffs
- UPI QR Generator GuidePhonePe, GPay, Paytm QR — shops aur freelancers ke liye
- WhatsApp Link GuideClick-to-chat link — business ke liye
- Percentage Calculator GuideMarks %, discount %, increase/decrease calculate karein
- CGPA Calculator GuideCGPA ko percentage mein convert — govt job forms ke liye
- Leave Application GuideSchool aur office leave letters — PDF download
- Voter ID PDF GuideEPIC front + back — ek A4 PDF mein